Blog

Day 27, A small 10" Sears bandsaw

Published on 2025-05-13 by Mark VandeWettering

Trying to get tools from garage sales is a completely hit and miss affair, often where weeks will go by when you see nothing of ...

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Day 26, My simple tool caddy

Published on 2025-05-12 by Mark VandeWettering

Another of my home built projects: a simple tool caddy that was one of my first projects that I made when I got my little ...

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Day 25, My Japanese-inspired toolbox

Published on 2025-05-11 by Mark VandeWettering

Today's garage gem is something I made: a simple toolbox, inspired by the kind of toolbox that Japanese carpenters put together to hold their tools. ...

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Day 24, A mystery lens assembly

Published on 2025-05-10 by Mark VandeWettering

Back when I was totally obsessed with all things related to telescope and optics, I would often acquire random optics for things, even when I ...

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Day 22, A hand cranked drill

Published on 2025-05-08 by Mark VandeWettering

After yesterday's racheting screwdriver from Millers Falls (an excellent working tool) I thought I would show you an instance of a tool that I acquired ...

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Day 21, A racheting screwdriver

Published on 2025-05-07 by Mark VandeWettering

My third week of garage gems ends with something that I have never actually used, but I still think is pretty cool. It is a ...

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Day 20, A tiny vise

Published on 2025-05-06 by Mark VandeWettering

This may not quite be a gem, but it's a tool that I have found a use for in my shop. It is a very ...

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Day 18, Bolt cutter

Published on 2025-05-03 by Mark VandeWettering

Today's gem is a tool I actually have very little need for, but was too cool pass up. (I think I may have a problem. ...

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Day 17, a pair of drawknives

Published on 2025-05-02 by Mark VandeWettering

Here is a vintage pair of drawknives that came to me during the COVID pandemic. I don't really have much use for drawknives, as I ...

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Day 14, My Stepstool

Published on 2025-04-29 by Mark VandeWettering

Back to a project that I made: a simple stepstool. I am about six four, so it isn't all that often that I need a ...

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Day 12, Tandy 102

Published on 2025-04-25 by Mark VandeWettering

I am going to be spending a lot of time at the North Bay Python 2025 Conference in Petaluma over the weekend, so I'm releasing ...

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Day 11, My kerfmaker

Published on 2025-04-25 by Mark VandeWettering

A lot of woodworking is about making jigs. This one is perhaps one of the smallest, but also one of the most useful, a kerfmaker ...

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Day 10, My Moxon vise

Published on 2025-04-24 by Mark VandeWettering

Today's garage gem is something that I made myself: a Moxon vise. This type of vise owes its name to Joseph Moxon, whi was an ...

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Day 9, A double beam marking gauge...

Published on 2025-04-23 by Mark VandeWettering

Today's nifty McGuffin from my garage is another garage sale acquisition: a dual beam marking gauge. Marking gauges are used for layout in traditional woodworking. ...

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Day 8, Disk Belt Sander

Published on 2025-04-22 by Mark VandeWettering

Sometimes you happen upon a tool that you don't really think you need, but it's a "good deal" and you have to take it home ...

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Day 7, Walnut Mallet

Published on 2025-04-21 by Mark VandeWettering

Today's entry in #mygaragegems is a woodworkers mallet that I made a couple of years ago as one of my introductory woodworking projects. It is ...

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Sun Halo

Published on 2025-04-21 by Mark VandeWettering

A beautiful bit of atmospheric physics, taken from Sacramento. ...

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Day 5, A Union combination plane

Published on 2025-04-19 by Mark VandeWettering

I have a modest collection of wood planes. This example is a so-called transitional jack plane made by Union Manufacturing Company of New Britain, Connecticut. ...

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Day 4, A Stanley Sweetheart level

Published on 2025-04-18 by Mark VandeWettering

More properly a garage gem, here is my 24" Stanley Sweetheart Level, a No. 0. I'm not an expert on Stanley tools, but my understanding ...

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Day 3, Antique binoculars

Published on 2025-04-17 by Mark VandeWettering

I am stretching the definition of "garage gem" a bit to include this item, but they are cool and worth sharing. This is a pair ...

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Day 2, A home made spherometer

Published on 2025-04-16 by Mark VandeWettering

Some of you may know, I build telescopes as a hobby. Well, recently it's more like I think about building telescopes, but... well... now that ...

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Day 1, A pair of oil cans

Published on 2025-04-15 by Mark VandeWettering

What better way to lead off what I hope will be a series of posts about stuff I find in my garage than a pair ...

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Link of the Day: VT320 fonts…

Published on 2025-01-19 by Mark VandeWettering

I’m old enough to have used original VT-100 terminals to access mainframe computers like the DEC-1091 we had at the U of O, although we ...

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Notes re: WordPress vs. Hugo

Published on 2025-01-16 by Mark VandeWettering

Back on May 2, 2024, I was aboard a plane heading toward a real vacation: ten days spent on a cruise and visiting friends and ...

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Re: the $1 notebook

Published on 2025-01-16 by Mark VandeWettering

It’s kind of amazing when things that you have been thinking about for a while come together and make you think that the world is ...

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Baby steps toward bookbinding…

Published on 2025-01-15 by Mark VandeWettering

I have always been a fan of books, and the craft of bookbinding has been particularly interesting. I have been trying to gather the necessary ...

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Link to an SSTV decoder for the Pi Pico

Published on 2025-01-06 by Mark VandeWettering

In years past, I had developed some (largely academic) interest in slow scan television, and had implemented encoders for a variety of standard modes, using ...

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Goodbye to 2024…

Published on 2025-01-01 by Mark VandeWettering

Hey readers, this post will be a bit unusual, as instead of being about some kind of cool tech or gadget, it’s going to be ...

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Another 3D stamp: QR codes

Published on 2024-11-20 by Mark VandeWettering

After tinkering with making a 3D stamp yesterday, I thought that maybe I would tinker together a stamp for the QR code that would send ...

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Practical uses for 3D printers…

Published on 2024-11-09 by Mark VandeWettering

I’ve been an on-and-off enthusiast for 3D printing for quite some time, but in the early days, it wasn’t what I would call “practical”. They ...

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Mom’s Pickled Salmon Recipe

Published on 2024-06-05 by Mark VandeWettering

When I was a young, one of the things that frequently had was pickled salmon. Sadly, it was also a recipe that I never bothered ...

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Restarting the brainwagon blog?

Published on 2023-07-18 by Mark VandeWettering

I wonder if i trained a large language model on the contents of this blog and used it to generate new posts, whether it would ...

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brainwagon is 20 years old today!

Published on 2022-07-22 by Mark VandeWettering

It was twenty years ago today that I first posted something to my brainwagon blog. While I have sort of fallen out of the habit ...

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A cornucopia of updates…

Published on 2021-05-19 by Mark VandeWettering

Sigh. The new version of WordPress is doing stupid things with images. I’ll fix them later. Okay, so roughly a month ago, I said that ...

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Welcome back…

Published on 2021-04-22 by Mark VandeWettering

Okay all, it’s been a while. If anyone is reading this, then welcome back to the brainwagon blog. I’ve been blogging off and on for ...

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Updating themes…

Published on 2020-07-31 by Mark VandeWettering

I am a fairly basic guy, with fairly basic graphic design tastes. I haven’t done a great deal to customize the appearance of my blog ...

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Back to telescope making…

Published on 2020-05-14 by Mark VandeWettering

Part of my recent interest (obsession) with getting my shop equipped for wood working is that I want to return to an activity that I ...

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AREDN project update…

Published on 2020-04-21 by Mark VandeWettering

So, I’ve had a minimal AREDN network running at my house for the past few week or so, and it is working well. To recap ...

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Stale services on the AREDN network

Published on 2020-04-09 by Mark VandeWettering

Okay, minor lesson learned about AREDN. I had tried creating a couple of additional services and reserved a couple of DHCP devices on my node ...

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Testing some small solar cells…

Published on 2020-01-11 by Mark VandeWettering

Readers might recall that I’ve been interested in small solar energy projects. In the past, I’ve played with a 25w solar panel, a Chinese PWM ...

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Model Train throttles…

Published on 2020-01-05 by Mark VandeWettering

On one of the Facebook model train groups I was in, I read an article about someone who was building a transistorized throttle based upon ...

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Making a kerfmaker…

Published on 2020-01-04 by Mark VandeWettering

I am still an absolute rookie woodworker, which means that time spent in the shop doing the most basic skill building exercises can be fun. ...

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How do you like ‘dem apples?

Published on 2020-01-02 by Mark VandeWettering

A friend of mine pointed out an interesting website today: applesearch.org . This is well and truly off my normal set of blog topics (as ...

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“It’s just a block of wood.”

Published on 2019-12-30 by Mark VandeWettering

Yesterday I did some work in the shop, finishing up a couple of small projects and prototyping a small display shelf for Carmen. The result ...

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Bringing back my Atari 400…

Published on 2019-09-29 by Mark VandeWettering

Brace yourself for old guy reminiscing about the past. Back in 1980, I was a sixteen year old kid with a goal: to buy my ...

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POKEY timing information

Published on 2019-08-28 by Mark VandeWettering

I’ve been working on a bizarre little project which involves the very first computer that I ever owned: my trusty old Atari 400. I bought ...

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Dabbling in tool restoration…

Published on 2019-08-01 by Mark VandeWettering

I’ve been watching too many YouTube views lately about tool restoration, and as part of my ongoing efforts to equip my home workshop with more ...

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Woodworking Weekend

Published on 2019-07-21 by Mark VandeWettering

I’ve been on a bit of a woodworking binge lately, no doubt fueled by all the creative and talented woodworkers who have made a place ...

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Shaking off the rust…

Published on 2019-07-01 by Mark VandeWettering

As part of my attempt to get into woodworking and develop some actual skills, I have been keeping an eye out for what would best ...

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A new beacon is beckoning…

Published on 2019-06-12 by Mark VandeWettering

I’ve been mostly working in my workshop on various projects related to woodworking, but last week one of my coworkers reminded me that Field Day, ...

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The joys of a five minute project…

Published on 2019-05-22 by Mark VandeWettering

When cleaning the garage a while back, we discovered our old pink “Fight Breast Cancer” edition Roomba. For some reason, we had put it away ...

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Building a tool caddy…

Published on 2019-04-24 by Mark VandeWettering

A few weeks ago I was at a garage sale, and picked up a few old tools for just a few bucks. One of the ...

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My Dust Collection “Cart”

Published on 2019-04-17 by Mark VandeWettering

I have been trying to do a bit more wood working in my garage, with the net result that a fine layer of sawdust is ...

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Baby steps with the DS3231…

Published on 2019-04-03 by Mark VandeWettering

Last night, I did a small amount of work on two projects. I applied some Wood Bondo to a couple of bad defects in my ...

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Making a Knob…

Published on 2019-03-24 by Mark VandeWettering

So, I’m trying to get a little more adept at wood working, and one of the things that I’m doing as a “skills building” exercise ...

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3D Printed Gadgets for Woodworking…

Published on 2019-03-20 by Mark VandeWettering

I’ve been slowly working toward getting a reasonably equipped garage for woodworking, and have been watching a metric ton of Youtube content made by woodworkers. ...

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Brent’s Sharpening Pages…

Published on 2019-03-16 by Mark VandeWettering

My experimenting with plane sharpening has (like so many other things) caused me to research stuff on the Internet. I’ve been working on grinding the ...

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30 minutes in the workshop…

Published on 2019-03-13 by Mark VandeWettering

So, last night about 9:30PM I decided to spend a little time in my garage workshop. I cleared some items off the top of my ...

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My Rise and Fall on Quora

Published on 2019-01-14 by Mark VandeWettering

Back around 2016 I had a tough time. A vertebrae in my neck began to pinch on the nerves that run down my left arm ...

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Added LED shop lights…

Published on 2019-01-14 by Mark VandeWettering

I didn’t accomplish much in the garage on Sunday, but I did manage to take down some old, flickery and generally unreliable flourescent lights and ...

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Weekend in the garage…

Published on 2019-01-12 by Mark VandeWettering

So, today I had a list of a few simple tasks in my garage that I thought would be good to get to. It’s now ...

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People building Gingery Lathes…

Published on 2019-01-12 by Mark VandeWettering

I think maybe twenty years ago when I was in the height of my telescope-building mania I started acquiring books about lathe work and machining ...

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New tools, new projects…

Published on 2018-12-28 by Mark VandeWettering

Merry Christmas to all, and best wishes for the New Year! I’m in the middle of the “Winter Break” at Pixar. The studio mostly empties ...

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Found Item: Kodak Aero-Ektar Lens

Published on 2018-12-10 by Mark VandeWettering

It’s not uncommon for me to find unusual, nerdy objects while cleaning or organizing. I’m a bit of an eclectic pack rat, and have all ...

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Weekend Update…

Published on 2018-12-03 by Mark VandeWettering

Okay, I began this weekend with every intention of doing a video about my solar energy project. But in true usual “brainwagon” fashion, my attempt ...

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#NerdThunder coming in December…

Published on 2018-11-30 by Mark VandeWettering

If you follow @HackAWeek (Dean Segovis) on Twitter, you may have seen this tweet announcing a new series of videos, shockingly including my name and ...

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Solar Project Inspiration

Published on 2018-09-04 by Mark VandeWettering

I haven’t got a lot of details about my solar project available, but Project Curacao has all the details of a much more impressive version ...

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Creality CR-10 updates…

Published on 2018-02-13 by Mark VandeWettering

So, I got a new 3D printer about ten days ago, a Creality CR-10 . While this printer requires a bit of assembly, it is ...

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Weekend Update…

Published on 2018-02-05 by Mark VandeWettering

This is just a short set of updates for my weekend projects, meant to keep me in the habit. I’ll write up a more complete ...

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Brief Update on my ESP32 ISS Clock

Published on 2018-01-24 by Mark VandeWettering

Several days ago, I cobbled together a short bit of code to make an NTP enabled clock out of an ESP32/OLED module. I had previously ...

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Interactive Programming… in C

Published on 2018-01-17 by Mark VandeWettering

I’ve been kind of interested in a type of “livecoding” where changes to a code base are immediately reflected in a running program. I’ve seen ...

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Debugging my Anet A8 hot bed…

Published on 2018-01-11 by Mark VandeWettering

As in most things, whether you achieve success has a lot to do with what connections you have. And this is true of my somewhat ...

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The ESP32 vs. the ESP8266

Published on 2018-01-07 by Mark VandeWettering

Over the last year I’ve spent a small amount of money and a larger amount of time accumulating a bunch of development modules from banggood ...

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Things that go bump in the night…

Published on 2018-01-04 by Mark VandeWettering

I’m tired this morning, because at 2:39AM I was awoken by a magnitude 4.5 earthquake centered in Berkeley. It was over before I gained full ...

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A brief review: Google WiFi

Published on 2018-01-04 by Mark VandeWettering

Over the last year or so, more and more of the video content that I consume is coming by way of streaming over the Internet. ...

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Happy New Year!

Published on 2018-01-03 by Mark VandeWettering

Well, I have decided to do a little well needed maintenance on the blog. I installed an SSL certificate so my blog will now be ...

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A new theory of dorodango…

Published on 2016-08-22 by Mark VandeWettering

Okay, I’ve done two, with nearly identical outcomes: a fine network of relatively shallow cracks in the “capsule”, the thin layer of fine particles which ...

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No! My precious dorodango!

Published on 2016-08-12 by Mark VandeWettering

Eek! I was getting a bit impatient with my dorodango, so I decided to leave it out in the open air when I went to ...

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J1a system on a Lattice ICESTICK40

Published on 2016-06-23 by Mark VandeWettering

Long time readers of this blog might remember that I received a Gameduino board designed by James Bowman. I used it to construct ANGST , ...

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My Fizz Buzz solutions…

Published on 2016-05-26 by Mark VandeWettering

Joel Grus blogged about a job interview where he was asked about the ridiculous Fizz Buzz question that apparently some companies use to weed out ...

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Some random pictures from the Maker Faire…

Published on 2016-05-22 by Mark VandeWettering

<dd class='wp-caption-text gallery-caption' id='gallery-7-9632'> Creepy animatronics&#8230; </dd> <dd class='wp-caption-text gallery-caption' id='gallery-7-9629'> A 3D printed Jeep! </dd> <dd class='wp-caption-text gallery-caption' id='gallery-7-9626'> Seriously, a 3D printed Jeep. ...

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Atinlay Aresquares…

Published on 2016-05-16 by Mark VandeWettering

My last post dealt with a solver for KenKen puzzles. Once you have one of those, then the obvious thing to work on next (in ...

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KenKen puzzle solver…

Published on 2016-05-12 by Mark VandeWettering

Lately, my lunch hours have been spent working on the NYT Crossword with my lunch companion Tom. While I find that the Thursday crosswords are ...

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A story from SIGGRAPH past…

Published on 2016-05-05 by Mark VandeWettering

I’ve been meaning to write down this story for a while, because it represents a time when I was booed away from a microphone by ...

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Solving the N queens problem, again…

Published on 2016-05-04 by Mark VandeWettering

Backtracking is a better technique, obviously. The version from earlier today was actually not very clever, and took half an hour to find the 73,712 ...

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Solving the N Queens Problem…

Published on 2016-05-04 by Mark VandeWettering

A question on Quora set me thinking about solving the N Queens problem, which is to list all ways that N queens can be positioned ...

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Christmas Dinner: Prime Rib == Yum.

Published on 2015-12-26 by Mark VandeWettering

Okay, need to archive this for future Christmas dinners, because it turned out pretty nicely. I’m stuff chock-a-block full of prime rib, which was done ...

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Two bits of hardware on order…

Published on 2015-12-20 by Mark VandeWettering

Yes, my fascination with cheap computing devices continues. I’ve got two bits on order at the moment. First is the Pine A64 from Kickstarter. This ...

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I’m not dead…

Published on 2015-12-18 by Mark VandeWettering

Hey gang… It’s been quite some time since I posted anything here. Apologies. I have had a lot going on for the last sixty days ...

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The ESP8266…

Published on 2015-07-28 by Mark VandeWettering

I’ve been quiet lately, but mostly because what tinkering I’ve been doing has been relatively limited in scope. But one thing I have begun to ...

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The Kim-Uno — a Kim-1 simulator

Published on 2015-07-04 by Mark VandeWettering

Ken Boak had mentioned on twitter that someone was creating a blinken-lights front end for the simh simulator of the PDP-8, called the PiDP-8 , ...

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The NOAA Magnetic Field Calculator

Published on 2015-07-02 by Mark VandeWettering

Just bookmarking this for now: The NOAA Magnetic Field Calculator This website can accept a latitude longitude (or, conveniently, a Zip code) and will give ...

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On quadcopters…

Published on 2015-06-18 by Mark VandeWettering

I’ve been having a bit of fun with my DJI quadcopter lately, but there is something that is annoying me and stressing me in the ...

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Ronchi code now on github…

Published on 2015-06-09 by Mark VandeWettering

I updated my old 2001 Ronchi test code to support arbitrary conic surfaces, and then uploaded the code to github . My current 12.5″ project ...

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Nifty telescope idea…

Published on 2015-06-08 by Mark VandeWettering

Since I stopped actively working on building telescopes, there have been numerous bits of technology that are now widely and cheaply available, and that can ...

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An Arduino Powered HF Beacon…

Published on 2015-06-07 by Mark VandeWettering

LB3RE sent me a link to this awesome HF beacon by Anthony, F4GOH and Christophe, F4GOJ that has many of the same features as my ...

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Gert’s 2015 Jupiter Campaign

Published on 2015-06-07 by Mark VandeWettering

I forgot to mention my chat with Gert, another telescope making regular up at the Chabot Telescope Maker’s Workshop. He’s a skilled astrophotographer and all ...

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Farewell…

Published on 2015-05-29 by Mark VandeWettering

You’ve probably heard the expression that somebody is a “man of few words”. I’m not that guy. I’m a man of many words. I love ...

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Progress Report: Big Box O’ RF

Published on 2015-05-27 by Mark VandeWettering

Previously, I wrote about a project I called the Big Box O’ RF . I’ve shifted goals a bit, and done some experimentation, and have ...

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Phantom Bad Boys…

Published on 2015-05-26 by Mark VandeWettering

I mentioned that during yesterday’s aborted attempt to fly quadcopters from a regional park resulted in a visit from the “Can’t Possibly Have Fun Police”, ...

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Accuracy of the DS1307

Published on 2015-05-21 by Mark VandeWettering

My tinkering with using the Adafruit GPS as a time base has yielded some results. I’m still getting a few spurious interrupts when I feed ...

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Time from the ESP8266…

Published on 2015-05-15 by Mark VandeWettering

Yesterday, I mentioned the idea of using the cheap ESP8266 as a clock source for a WSPR beacon transmitter. My initial idea was to basically ...

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An Arduino by any other name…

Published on 2015-04-27 by Mark VandeWettering

I was trying to make some headway on my robotic platform project, so I went digging through boxes in my office to find the large, ...

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Exciting AMSAT-NA opportunity…

Published on 2015-04-26 by Mark VandeWettering

I read this today: AMSAT is excited to announce that we have accepted an opportunity to participate in a potential rideshare as a hosted payload ...

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New I2C peripheral: 6 DOF IMU, $5.89

Published on 2015-04-20 by Mark VandeWettering

This little gadget arrived via Amazon Prime today: a three axis gyroscope/accelerometer that can be programmed via the I2C bus. I didn’t really have any ...

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More camera experiments…

Published on 2015-04-18 by Mark VandeWettering

Tonight’s tinkering was inspired by the script by spikedrba that I mentioned in yesterday’s post . I took down the hummingbird camera for a little ...

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SSTV from the ISS…

Published on 2015-04-12 by Mark VandeWettering

Well, it’s not pretty, but I was just using a 17″ whip antenna on my VX-8GR, recorded it with Audacity, and then decoded it with ...

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More on hummingbirds…

Published on 2015-04-11 by Mark VandeWettering

I imagine that some of you are getting bored with this, so I won’t post another 20 minutes of hummingbird video. But I will post ...

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Beginning to look at MQTT…

Published on 2015-04-06 by Mark VandeWettering

My weekend experiments lead me eventually toward flashing nodemcu , a Lua based firmware that runs on the ESP8266. Having a simple programming language (albeit ...

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A few more snaps of hummingbirds…

Published on 2015-04-04 by Mark VandeWettering

A couple more quick snaps from my hummingbird camera. I’m going to try to work on some improvements over the weekend, but shockingly we are ...

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The Clickspring Youtube channel

Published on 2015-04-04 by Mark VandeWettering

I’ve tinkered a bit with metal working over the years, but never really developed any skill. I’ve always been fascinated by precision machining, particularly those ...

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The “official” ESP8266 Wiki…

Published on 2015-04-04 by Mark VandeWettering

This morning I’m still drinking coffee and waking up, but I was pointed at “the ESP8266 wiki”, which appears to be this Wiki page . ...

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Morning visit by a hummingbird…

Published on 2015-04-04 by Mark VandeWettering

I know, I know, it’s probably getting a little repetitive and boring. But I’m still getting a kick out of my motion capturing hummingbird camera. ...

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In brain related news…

Published on 2015-04-03 by Mark VandeWettering

Carl Zimmer tweeted this ad for the USC Mark and Mary Stevens Neuroimaging and Informatics Institute: I’d ask for a second opinion. ...

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First electrons for the ESP8266…

Published on 2015-04-03 by Mark VandeWettering

In the telescope making world, we call the first time that a telescope is used to look at the sky “first light”. I’ve decided to ...

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More on Arduino v. Arduino…

Published on 2015-04-02 by Mark VandeWettering

Make just published this interview with Arduino founder Massimo Banzi about the internal schism that’s currently embroiling the Arduino community. It is true that this ...

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Need π to 100 or so digits precision?

Published on 2015-03-18 by Mark VandeWettering

Use the “bc” arbitrary precision calculator you can probably find (or install easily) on your Linux box. > bc -l bc 1.06.95 Copyright 1991-1994, 1997, ...

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3/14/15

Published on 2015-03-14 by Mark VandeWettering

Happy Albert Einstein’s birthday! And we are just a few minutes away (in our time zone anyway) from 9:26. Huzzah! I’m going to celebrate by ...

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A pair of geeky Advent calendars…

Published on 2014-12-09 by Mark VandeWettering

Advent is the season observed in many Christian traditions that is a time of expectant waiting and preparation for Christmas. When I was young, we’d ...

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Orion Launch!

Published on 2014-12-06 by Mark VandeWettering

I didn’t get up early enough. But here’s the video of the launch. Is it just me, or is this rocket tossing off a lot ...

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FTDI-gate…

Published on 2014-10-24 by Mark VandeWettering

My hardware hacking friends have been all a-twitter (and all a-pick-your-favorite-social-platform) about recent actions by FTDI . In case one of my three or so ...

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I got my boarding pass!

Published on 2014-10-22 by Mark VandeWettering

Okay, it’s mostly just a lark: sending your name aboard the first test flight of the Orion space vehicle (scheduled for Dec 4.) but it’s ...

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You reeky, motley-minded mammet!

Published on 2014-10-15 by Mark VandeWettering

Without further explanation: [sourcecode lang=”python”] #!/usr/bin/python from random import choice # ,, , # ‘ || || A Shakespearean insult generator # \ \/\ _-_, ...

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The Si570 and the Si5351

Published on 2014-10-14 by Mark VandeWettering

Thomas’ talk about the Minima at Pacificon has got me thinking about building one of my own. I actually have quite a few of the ...

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A day at Pacificon…

Published on 2014-10-13 by Mark VandeWettering

Pacificon is the local yearly hamfest, which took place at the Santa Clara Marriot this weekend. I couldn’t go for the entire weekend, but I ...

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Schrödinger’s Cat

Published on 2014-09-10 by Mark VandeWettering

I’ve long suspected that my cat Scrappy had teleportation powers: https://brainwagon.org/wp-content/uploads/2014/09/04-20140910133347.mp4 Okay, okay, I know he doesn’t really. But it was kind of funny. ...

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Why are tiny systems so big?

Published on 2014-08-31 by Mark VandeWettering

The last five or so years has been a remarkable period in computing. About five years ago, I began to fear that computing would be ...

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Pondering computer chess…

Published on 2014-08-20 by Mark VandeWettering

At the risk of name dropping, on my flight out to Vancouver for SIGGRAPH last week, I had the exceedingly high luck of scoring a ...

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My Atari 2600 Pong Clock

Published on 2014-08-06 by Mark VandeWettering

While looking for something completely different, I ran across the code and binary images for my old Atari 2600 “Pong Clock”. I realized that my ...

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Two more “primitive” cameras…

Published on 2014-08-05 by Mark VandeWettering

My previous experiments with a foam core 4×5 camera has whetted my appetite for more camera experiments. In particular, I was looking for cameras that ...

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RTL-SDR on Raspberry Pi…

Published on 2014-07-29 by Mark VandeWettering

Just a quick note. I have been meaning to try out the combination of the Raspberry Pi with one of the popular $20 RTL-SDR dongles, ...

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Learning the ropes…

Published on 2014-07-25 by Mark VandeWettering

Over the past few years, I’ve expressed an interest in the AGC, or Apollo Guidance Computer . If you haven’t had the time to look ...

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Happy Birthday, brainwagon!

Published on 2014-07-21 by Mark VandeWettering

On this date back in 2002, I started this blog. Since that time, I’ve published 4019 posts, with a total of 725,146 words. I hope ...

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Large Format Shoebox Camera…

Published on 2014-07-18 by Mark VandeWettering

My recent experiments with large format photography with primitive cameras has me googling and surfing around. In my rampant clicking, I uncovered this very simple ...

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Another image from my foamcore 4×5 camera

Published on 2014-07-15 by Mark VandeWettering

Another picture from my foamcore 4×5 camera. Roughly 150mm landscape lens, f/24, 3:50 second exposure onto Ilford Multigrade RC paper, could have probably developed a ...

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Nifty Arduino/AVR hack: measuring VCC

Published on 2014-06-21 by Mark VandeWettering

In my previous article pondering sensors for my garden , I shamefully neglected a viable and interesting choice, the JeeNode <a href="n(thanks to @mvdswaluw from ...

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DIY FPV Micro Quad…

Published on 2014-06-20 by Mark VandeWettering

Building my full sized quadcopter is going rather slowly (sigh) but in the mean time I picked up a little Hubsan X4 to play with. ...

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Drone Lunch…

Published on 2014-06-20 by Mark VandeWettering

At work, we have an informal group that is interested in drones and quadcopters. Every third Thursday, we get together and fly. Today we went ...

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Making a simple RC switch…

Published on 2014-06-15 by Mark VandeWettering

Over the last couple of years, I’ve spent a little bit of time making fixed wing aircraft from Dollar Tree foam. The results have been ...

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Probabalistic Models of Cognition

Published on 2014-06-13 by Mark VandeWettering

This week began with a visit from Pat Hanrahan, currently a professor at Stanford and formerly at Princeton, where I was lucky enough to meet ...

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The Marriage (or Secretary) Problem

Published on 2014-05-16 by Mark VandeWettering

Over on Facebook, fellow Pixarian Arun pointed out this story on a problem I encountered in my undergraduate schooling as “The Marriage Problem”, which I ...

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London and Its Environs by Baedeker

Published on 2014-04-09 by Mark VandeWettering

The other day I was watching the 1939 movie The Adventures of Sherlock Holmes , a rather fun film staring Basil Rathbone and Nigel Bruce. ...

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Hellschreiber Update…

Published on 2014-04-07 by Mark VandeWettering

Scott Haley mentioned my old Hellduino post on Facebook: a simple project that used an oscillator powered by an Arduino to send Hellschreiber , a ...

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Digital ATV resources…

Published on 2014-04-02 by Mark VandeWettering

I’ve been doing a bunch of reading about digital ATV operations lately. I was originally motivated by hearing about the HamTV project aboard the ISS. ...

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On early camera lenses…

Published on 2014-03-22 by Mark VandeWettering

I like it when my life’s experience and interests toss me an opportunity, and out of the blue last week I received an invitation to ...

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Analyzing an SSTV recording…

Published on 2014-03-13 by Mark VandeWettering

Inspired by this webpage , I decided to write a simple zero-crossing analyzer, just like his. The code turns out to be remarkably simple, and ...

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The Baofeng BF-888S as an SSTV beacon?

Published on 2014-03-07 by Mark VandeWettering

Yesterday’s musings about SSTV using the Raspberry Pi has me thinking about creating a little SSTV beacon using the super-inexpensive (less than twenty dollars with ...

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Puppet Making, and Mathematics…

Published on 2014-03-03 by Mark VandeWettering

I’ve been taking a puppet making class, and I must admit, it’s been a lot of fun. Too much fun, in fact. I’ve been thinking ...

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Raspberry Pi Camera NoIR…

Published on 2014-02-11 by Mark VandeWettering

I’ve been playing around with the Raspberry Pi Camera for a number of different purposes, but one thing is pretty apparent right off: while the ...

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Combinations…

Published on 2014-01-05 by Mark VandeWettering

This is a math/geeky/computer post of something relatively simple, but it arose in the wild in a program that I wrote several years ago, and ...

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JT65 vs JT9 (vs WSPR?)

Published on 2013-12-31 by Mark VandeWettering

For the last several days, I’ve been running the latest version of wsjtx using my RFSPACE SDRIQ software defined radio, and just logging the results. ...

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Visual Cryptography

Published on 2013-11-20 by Mark VandeWettering

I read an interesting article the other day. I’ll skip to the end to show you the result. Check out this pair of binary images: ...

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More weekend radio…

Published on 2013-07-08 by Mark VandeWettering

I didn’t get a whole lot more amateur radio done. I spent some time running JT65, mostly on 20m, but sometimes skipping up higher to ...

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A week of listening to JT65…

Published on 2013-07-03 by Mark VandeWettering

I’ve been leaving my radio monitoring JT65 frequencies for the last week, largely on 20m, with occasional diversions to 40m, 30m, and 17m. JT65HF can ...

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RTLSDR decoding of ADS-B signals…

Published on 2013-06-26 by Mark VandeWettering

A few days ago, I wrote about the EZCAP EZTV645 dongle that I got which could be used with RTLSDR software to implement asoftware defined ...

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A taste of Field Day audio…

Published on 2013-06-23 by Mark VandeWettering

I haven’t been doing much work on ham radio lately. In fact, I haven’t even had my IC-735 hooked up since before Thanksgiving. But today, ...

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More on the ezcap ezTV645 dongle…

Published on 2013-06-21 by Mark VandeWettering

Just a brief note: this website has some pretty extensive pictures of the inside and outside of the same model of RTLSDR dongle I bought. ...

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More on “no knead” bread…

Published on 2013-06-21 by Mark VandeWettering

Readers of my blog and twitter feed know that I’m a fan of Jim Lahey’s “no-knead” bread. If you haven’t heard of it, just do ...

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The JAM 187khz LowFer Beacon..

Published on 2013-05-23 by Mark VandeWettering

In my previous post about the virtues of microcontrollers in homebrew radio, I had a comment from Lee, who mentioned that he operated a LowFer ...

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Apologies for the lack of updates…

Published on 2013-04-14 by Mark VandeWettering

Tap… tap… tap… Is this thing still on? Apologies to my loyal readers (reader?) for the lack of recent updates. A combination of work pressure, ...

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PIR sensor from TAUTIC.COM

Published on 2013-02-24 by Mark VandeWettering

A few days ago, I heard that Jayson Tautic (@tautic), manufacturer and purveyor of a interesting electronic prototyping goodies, had put up an interesting offering: ...

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More OpenSCAD tinkering…

Published on 2013-02-04 by Mark VandeWettering

The other day, I was at Harbor Freight, and picked up an inexpensive set of digital calipers. While goofing around, I decided to try to ...

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Tinkering with OpenSCAD…

Published on 2013-02-02 by Mark VandeWettering

It seems like I might have access to a 3D printer, so I thought it might be fun to see what I could design. I ...

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My weekend…

Published on 2013-01-28 by Mark VandeWettering

I lost 1.8 pounds this week. I went on 2 mile walk with Carmen. I soldered some clip leads onto pennies to make a touch ...

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Resources on the IBM 1401

Published on 2013-01-24 by Mark VandeWettering

Okay, I was trying to find more information about the IBM 1401, and the bitsavers website again came to the rescue. If you surf over ...

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An IBM 1403 font…

Published on 2013-01-23 by Mark VandeWettering

A few days ago, I was playing around with my Raspberry Pi, trying to get a new, freshly compiled version of the TOPS-10 7.03 monitor ...

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Simulation experiments with LT-Spice…

Published on 2013-01-21 by Mark VandeWettering

Yesterday, I mentioned Rory’s excellent introduction and exploration into DTL logic. He covers some of the basics here , including circuits for all the basic ...

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Tiny-Tim: A DTL computer (in progress)

Published on 2013-01-20 by Mark VandeWettering

Previously, I had linked to Rory Mangles’ experiments with relay based computers. He had an incredible build of a relay logic computer called Tiny-8 which ...

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My son at the drive through…

Published on 2012-11-29 by Mark VandeWettering

I don’t think he was at the local Sonic drive-through window. Okay, this doesn’t have much to do with my normal blog topics: it’s just ...

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An “So” series foamflyer…

Published on 2012-11-22 by Mark VandeWettering

Today I spent a lot of time making bread and pumpkin cheesecake for tomorrow’s Thanksgiving day feast, but in between I decided to build some ...

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A few simple foamboard wings…

Published on 2012-11-21 by Mark VandeWettering

Okay, I haven’t had much time to work on RC airplanes. I’ve been meaning to try to find something a little tamer than my Nutball ...

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More on airfoils…

Published on 2012-11-15 by Mark VandeWettering

As I was staring at the cross sectional diagram of the Armin wing I constructed yesterday, I began to think about airfoil shapes in general. ...

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The Clark Y airfoil…

Published on 2012-11-15 by Mark VandeWettering

I snapped awake at 5:30AM this morning, and couldn’t get back to sleep, so I started a loaf of bread to bake later tonight, and ...

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Ponderings on the Armin Wing…

Published on 2012-11-13 by Mark VandeWettering

Ed over at the Experimental Airlines Youtube channel has a nifty way of constructing wings for RC airplanes out of cheap Dollar Tree foamboard. Last ...

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Mini balloon tracker…

Published on 2012-10-27 by Mark VandeWettering

I was listening to Amateur Radio Newsline to a story about a lightweight balloon payload that crossed from Great Britain to Sweden carrying a payload ...

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Experiments in foamcore…

Published on 2012-10-22 by Mark VandeWettering

As I was watching Vogelsong pitch a gem against the Cardinals, I thought it might be cool to try some additional experiments with paper/foamcraft and ...

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The Larger than Life variant: Bugs…

Published on 2012-10-12 by Mark VandeWettering

Having written the previous FFT based implementation of Conway’s life, we can easily implement life variants with larger neighborhoods which run just as fast. This ...

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Up up and away…

Published on 2012-10-04 by Mark VandeWettering

I apologize for not updating my blog recently, but sometimes life intervenes, and it seems like you just aren’t doing too much that would be ...

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Fare thee well, Endeavour…

Published on 2012-09-21 by Mark VandeWettering

Here in the Bay Area, the Space Shuttle Endeavour did a victory lap, passing over Sacramento, the Golden Gate and many other Bay Area locations. ...

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Making headway on the Axon…

Published on 2012-09-17 by Mark VandeWettering

Earlier today, I tweeted: Okay, all major parts assembled.Now I just need the innards from Hobby King… twitter.com/brainwagon/sta… — Mark VandeWettering (@brainwagon) September 17, 2012 ...

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Wings ‘n Things

Published on 2012-09-10 by Mark VandeWettering

Early on Sunday I was out at Home Depot and acquired some additional raw materials for my RC plane construction projects. I got a 4×8 ...

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It’s quiet… too quiet…

Published on 2012-09-03 by Mark VandeWettering

I received my second email inquiry yesterday (yes, two whole emails) asking me why I hadn’t been posting to brainwagon lately. It’s gratifying that both ...

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Fourier Volume Rendering

Published on 2012-08-13 by Mark VandeWettering

Three years ago, I wrote a short post about volume rendering . I always meant to follow up, because I finally sorted out the problems ...

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Realization: I’m a dinosaur…

Published on 2012-08-08 by Mark VandeWettering

I’m one of these… About once a year, I get the urge to push my programming skills and knowledge in a new direction. Some years, ...

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Curiosity down safe on Mars!

Published on 2012-08-06 by Mark VandeWettering

Today, around 10:31 Pacific Time, Curiosity successfully landed in the Gale crater on the surface of Mars, and has already sent back a couple of ...

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ArduinoSudoku – sudoku on arduino

Published on 2012-07-26 by Mark VandeWettering

Just a quickie Arduino project that I ran across this morning: Sudoku on the Arduino. It’s pretty cute, since it uses the Arduino tvout library ...

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Ultimate QRSS kit arrives…

Published on 2012-07-21 by Mark VandeWettering

I have an on-again, off-again love affair with beacons. I spent many a day monitoring QRSS beacons on 30m, and have built a series of ...

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Notes on no-knead bread…

Published on 2012-07-13 by Mark VandeWettering

I have previously mentioned Jim Lahey’s no-knead bread (posts here and here and here . I’ve continued to make this at least once a week ...

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brainwagon.{org/com/net} lives!

Published on 2012-07-09 by Mark VandeWettering

After 12 hours of rockiness, I believe that I have brainwagon moved to new hosting. I don’t think you’ll have any trouble, but if you ...

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Rings ‘n things…

Published on 2012-06-25 by Mark VandeWettering

Last night, I took the scope out again and tried to get a few quick images of Saturn. My focus was really soft, but this ...

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Happy Birthday Alan Turing…

Published on 2012-06-23 by Mark VandeWettering

Today would have marked the 100th birthday of Alan Turing . Turing’s contributions in artificial intelligence and computing alone would have guaranteed his place among ...

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Adapting a webcam for telescope use…

Published on 2012-06-16 by Mark VandeWettering

Over the last few weeks, I’ve been a bit more intrigued by one of my old interests: telescopes and astrophotography. During the transit of Venus, ...

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My OpenBeacon is on the air…

Published on 2012-06-05 by Mark VandeWettering

Sometime last week, I got my Etherkit OpenBeacon kit in the mail. Like many of my projects, it was probably destined to sit on the ...

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Working toward Digital JT65 WAS award…

Published on 2012-05-30 by Mark VandeWettering

I’m currently working toward something something which I don’t normally do: an achievement award. For about two months, I’ve been trying to log contacts via ...

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Photos from the eclipse…

Published on 2012-05-22 by Mark VandeWettering

Okay, these are the best of the photos that I snapped during yesterdays annular solar eclipse (well, it was really only a partial eclipse here). ...

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A Maker Faire Post Mortem…

Published on 2012-05-22 by Mark VandeWettering

Phew. My legs are sore, and my voice is just returning to normal after a whirlwind two days at the Maker Faire in San Mateo. ...

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One month of experience with JT65

Published on 2012-05-06 by Mark VandeWettering

On the last day of March, I started using the JT65-HF program to do some digital operation on the HF bands. In the roughly month ...

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A cool JT65 QSO…

Published on 2012-04-15 by Mark VandeWettering

Last night I got home from a day spent with new-baby-relatives, and decided to power up the ham radio setup and see if I could ...

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My first week of JT65..

Published on 2012-04-09 by Mark VandeWettering

Over the last week, I started playing around with JT65-HF . JT65-HF is a digital mode, which is good for only the most basic of ...

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Free to Play (F2P) games

Published on 2012-04-05 by Mark VandeWettering

I follow @notch (author of the near legendary independent game Minecraft, where I have spent more than a few hours). I think Minecraft showed considerable ...

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The Little Engine that Could…

Published on 2012-03-23 by Mark VandeWettering

In my home office, I have a machine called “fishtank”. I realized that I first bought it back in 2002, and since then it has ...

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On bread…

Published on 2012-03-21 by Mark VandeWettering

This morning I was in a rush to get out of the house, and didn’t have time to make a big breakfast, so while I ...

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Listening to WSPR-ing…

Published on 2012-03-20 by Mark VandeWettering

I was interested in the WSPR (Weak Signal Propagation Reporter) system for quite a while, but have not recently been running it from my home ...

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Happy π-day!

Published on 2012-03-14 by Mark VandeWettering

Today is π-day (3/14) as well as Albert Einstein’s birthday. I was trying to get inspired to produce something pi related, so I scanned my ...

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Arduino Hole Dimensions Drawing

Published on 2012-03-12 by Mark VandeWettering

I’ve been kind of busy and distracted lately, so I haven’t had much time to get any embedded microcontrollers. I did dust off an Arduino ...

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Earthquake!

Published on 2012-03-05 by Mark VandeWettering

About 5:30AM, I woke to find my bed slightly shaking, and maybe a hint of some noise. Just as I was about to drift off, ...

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More on ATtiny programming…

Published on 2012-02-15 by Mark VandeWettering

Last night’s hacking adventure was inspired by a couple of recent posts from Roger, G3XBM having to do with light based communication. The first was ...

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Boring statistics re: brainwagon

Published on 2012-02-06 by Mark VandeWettering

Okay, today is February 6, which means that my revolvermap that you can see over in the left margin has been up one entire year. ...

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ksim 8080 simulator released

Published on 2012-01-31 by Mark VandeWettering

Fellow hacker Eric Smith has released the code for an 8080 simulator. I spent a few hours hacking my own 8080 emulator a few months ...

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A $.33 MAX232CPE, or a $0.01 2N3904?

Published on 2012-01-29 by Mark VandeWettering

In response to my previous post, @xek replied: https://twitter.com/#!/xek/status/163442298456260608 Well, the fact is I had heard of doing that. It’s not really hard to rig ...

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New 6502 processor at Mouser.com?

Published on 2012-01-26 by Mark VandeWettering

Dave Jones (@eevblog) tweeted: https://twitter.com/#!/eevblog/status/162530266513014784 And indeed, he’s right! WDC (the Western Design Center) has made a new version of the 6502 available at mouser.com. ...

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AVR-based FM-transmitter

Published on 2012-01-26 by Mark VandeWettering

This is a very cute hack that does something which I thought was impossible: an implementation of an FM transmitter that has exactly two components: ...

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On Relay Computers…

Published on 2012-01-20 by Mark VandeWettering

I share an interest in old computing technology with several of my friends and readers. An interesting sub-topic within this vast area is the world ...

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The downside of Arduino…

Published on 2012-01-14 by Mark VandeWettering

First of all, I really like the Arduino. There are lots of reasons: great community, relatively inexpensive, wide hardware availability and variety, and often a ...

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Seeing double on QRSS grabber…

Published on 2012-01-10 by Mark VandeWettering

Here is a snapshot from my QRSS grabber earlier today. You might want to click it to see it full size: I’m curious: what phenomenon ...

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On junkboxes…

Published on 2012-01-09 by Mark VandeWettering

I’ve recently begun to try to systematically (if somewhat erratically) equip my home office (it aspires to be a lab) with the necessary parts and ...

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My own lightly modified Arduino Basic

Published on 2012-01-04 by Mark VandeWettering

I’ve received a couple of requests for my own Arduino Basic modifications. They are pretty straightforward and small, but might be of some use, and ...

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K6HX QRSS Beacon ON AIR…

Published on 2011-12-31 by Mark VandeWettering

Well, this morning I did a bit more work on my G0UPL beacon kit. As I mentioned yesterday, I got was having difficulty with the ...

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Nanode on the Web!

Published on 2011-12-30 by Mark VandeWettering

Well, to test my nanode ‘s Ethernet capability, I put it on the web! Check it out by clicking this link . Hurrah! Not too ...

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Christmas Kit: The Nanode

Published on 2011-12-28 by Mark VandeWettering

My wife is the best. She listens to me even when I yammer on about the most boring and geeky of topics, and does so ...

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Mineways

Published on 2011-12-27 by Mark VandeWettering

Okay, I’ll confess: I’ve spent a bit too long playing Minecraft , both on a shared server, and even by myself in single player. I ...

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Merry Christmas!

Published on 2011-12-25 by Mark VandeWettering

I’d like to thank each and every follower and friend of the brainwagon blog for their encouragement, for their attention, and for their continued participation ...

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Arduino Basic

Published on 2011-12-24 by Mark VandeWettering

Edsger Dijkstra, Dutch computer scientist and winner of the 1972 Turing Award wrote: It is practically impossible to teach good programming to students that have ...

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Nice article on making an Arduino DDS…

Published on 2011-12-23 by Mark VandeWettering

My experiments with generating RTTY signals yesterday made me begin to think about generating RTTY signals with an Atmel/Arduino setup. The obvious way is to ...

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More on the crazy ITA2 encoding…

Published on 2011-12-22 by Mark VandeWettering

So, this morning, I was trying to test my understanding of the ITA2 code used in amateur radio teletype communications. I wrote up an encoder, ...

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Hadie High Altitude Balloon Project

Published on 2011-12-21 by Mark VandeWettering

While listening to the Amateur Radio Newsline podcast this week, I was interested to hear that a group of hams from Ireland had launched a ...

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Back to QRSS…

Published on 2011-12-20 by Mark VandeWettering

For some reason, I’m getting back into the universe of QRSS , or very slow Morse code. I goofed around with this for a while, ...

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More on no-knead bread…

Published on 2011-12-16 by Mark VandeWettering

Tonight I baked up my second loaf of no knead bread. The first batch was promising, but was a bit dense. I used ordinary all ...

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Lightweight Web servers

Published on 2011-12-15 by Mark VandeWettering

Don’t you hate it when you see something that you want to investigate further, but then you can’t remember what the project is called? That’s ...

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Microcontroller cheat sheet

Published on 2011-12-13 by Mark VandeWettering

I needed to know the pinouts for various AVR chips and the 6 pin ICSP cable they used. I found this cool little one page ...

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Carmen makes an Arduino Stoplight

Published on 2011-12-12 by Mark VandeWettering

Today, Carmen decided that she wanted to give Arduino programming a try. She’s an experienced programmer, but had never tried any of this small embedded ...

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The Lunar Eclipse…

Published on 2011-12-10 by Mark VandeWettering

Okay, I did wake up for the lunar eclipse this morning. At 5:30 my alarm went off. I pulled on some clothes, wandered out to ...

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More Wisdom on LEDs…

Published on 2011-12-08 by Mark VandeWettering

More important help for the budding young electronics designer: https://twitter.com/#!/EMSL/status/144546376624250880 Note: this also works in computer graphics quite well. Just specify a negative intensity for ...

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More on $.99 Christmas lights…

Published on 2011-12-07 by Mark VandeWettering

I didn’t have a lot of time to do anything significant tonight, but I wanted to test a few things about this strand of Christmas ...

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Upcoming Total Lunar Eclipse

Published on 2011-12-07 by Mark VandeWettering

Yep, there is an upcoming total lunar eclipse this Saturday, on the morning of Dec 10. It will be the last total lunar eclipse visible ...

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“Sub Micro” R/C Blimp

Published on 2011-12-06 by Mark VandeWettering

I’ve been a fascinated observer of indoor model airplanes for years, so this little RC controlled blimp strikes me as one of the most awesome ...

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The art of capacitive touch sensing

Published on 2011-11-28 by Mark VandeWettering

I didn’t get a lot of electronics hacking done, but I found myself again playing with capacitive sensing. I found this interesting article on the ...

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The Sparkfun Serial LCD

Published on 2011-11-24 by Mark VandeWettering

I was driving around various Silicon Valley electronics and surplus stores (like HSC and Anchor Electronics) and decided to stop in at Microcenter. I remembered ...

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A cool little computer: FIGnition

Published on 2011-11-19 by Mark VandeWettering

I keep looking for cool projects where people build small computer and microcontrollers, more or less from scratch. Today, I ran across FIGnition: FIGnition is ...

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A Low Power 477Thz beacon

Published on 2011-11-18 by Mark VandeWettering

I mentioned that Roger, G3XBM was shifting from the very low frequencies to much higher frequencies. His interest has already uncovered some links that I ...

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Arduino PPT Solar Charger

Published on 2011-11-17 by Mark VandeWettering

A conversation I had recently got me on the topic of solar energy, and introduced me to something I hadn’t heard of before: maximum power ...

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A nifty partition of 1..16

Published on 2011-11-15 by Mark VandeWettering

Courtesy of Phil Harvey’s Puzzle « Programming Praxis , I discovered that the numbers from 1..16 can be partitioned into two 8 element sets, with ...

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JeeNode v6 Kit from Modern Device

Published on 2011-11-13 by Mark VandeWettering

I’ve been playing a great deal with Arduinos lately, and have acquired a couple of Xbees to experiment with wireless. But Xbees, cool as they ...

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Some simple circuits with solar cells…

Published on 2011-11-08 by Mark VandeWettering

My tinkering with my ATtiny13 based pumpkin circuit had me thinking that perhaps I should try to make something similar, but solar powered. Luckily, Windell ...

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A Constant Current LED Driver…

Published on 2011-10-31 by Mark VandeWettering

While tinkering with my ATtiny13 Pumpkin Project, I ended up using a fairly inefficient circuit: the same amount of power is dissipated in the current ...

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Making an ATtiny13 Powered Pumpkin!

Published on 2011-10-30 by Mark VandeWettering

Happy Halloween! Here’s a little project I’ve been working on for Halloween… I’ve created a separate page with the details: it’s pretty rough right now, ...

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Baseball and Pascal’s Triangle

Published on 2011-10-28 by Mark VandeWettering

I was standing in Tom’s office, and asked him a simple probability question (and a timely one, given the World Series): If the odds of ...

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CQWW SSB Contest This Weekend!

Published on 2011-10-28 by Mark VandeWettering

I’m not much of a contester (not any kind, in fact) but this weekend is one of the biggest: the CQWW SSB Contest. Expect the ...

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Nifty paper on Batting Average…

Published on 2011-10-27 by Mark VandeWettering

For some reason, I never do much reading about baseball during the season itself. But as the World Series approaches its end (still hoping for ...

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On using an IRF510 as a switch…

Published on 2011-10-26 by Mark VandeWettering

This posting begins with a caveat: while I’m pretty experienced as a programmer and software engineer, I’m actually a bit of newbie when it comes ...

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Altimeter Module MS5607

Published on 2011-10-21 by Mark VandeWettering

Once I get my current project off my table, I’m going to start working more on the payload for a high altitude balloon launch. Today, ...

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Shake, Rattle and Roll!

Published on 2011-10-20 by Mark VandeWettering

Wow. Pretty good jolt today. I was sitting in my office when I began to feel some high frequency shaking, starting weak, but then growing ...

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My Sat Tracker, using Fritzing…

Published on 2011-10-18 by Mark VandeWettering

I was going to tidy up my breadboard layout for the satellite tracker I’ve been working on, and I thought it might be nice to ...

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Movie Review: Moneyball

Published on 2011-10-17 by Mark VandeWettering

I must admit, I had my misgivings about the prospects of a movie based upon Michael Lewis’ book Moneyball . After all, Moneyball is a ...

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Strange code in I2C code…

Published on 2011-10-14 by Mark VandeWettering

I noticed something while reading code that uses the Wire library for the Arduino, such as you might find below… Arduino playground – I2CEEPROM Check ...

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Forbes on Steve Jobs as a Role Model…

Published on 2011-10-13 by Mark VandeWettering

Forbes.com contributor Kyle Smith posted a provocative editorial today, which I thought deserved some commentary: Steve Jobs Was A Lousy Role Model – Forbes He ...

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First shot at using Xbee…

Published on 2011-10-12 by Mark VandeWettering

Yesterday, I got delivery of my Xbee modules from sparkfun, and decided to try to see if I could do something with them. My ultimate ...

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Pacificon 2011

Published on 2011-10-11 by Mark VandeWettering

While I’m still trying to shake a respiratory infection, I’m hoping that by the weekend I’ll be hale and hearty enough to attend this years ...

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I2C Pull Up Resistors Needed?

Published on 2011-10-11 by Mark VandeWettering

The great thing about doing a real project like my satellite tracker is that it makes you learn a lot, in a whole lot of ...

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Steve Jobs, 1955-2011

Published on 2011-10-06 by Mark VandeWettering

Yesterday, I was sitting at my desk at Pixar when a Twitter alerted me to the passing of Steve Jobs. I remember feeling mostly shock. ...

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See How It Flies

Published on 2011-10-05 by Mark VandeWettering

It seems that lots of people I know have been working on radio and computer controlled drone aircraft. I just recently found Mark Harrison’s blog ...

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High-Low Tech – Paper Speakers

Published on 2011-10-05 by Mark VandeWettering

Another cool link in my blog searching: constructing speakers out of paper and strips of copper foil. High-Low Tech – Paper Speakers . ...

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Homemade GPS Receiver

Published on 2011-10-01 by Mark VandeWettering

This article was linked from hackaday , and seems very, very cool. Sure, GPS receivers are cheap, but building one is cool. I am not ...

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Classic Black and White SSTV timings?

Published on 2011-09-26 by Mark VandeWettering

I was trying to determine the exact timings for the classic “8 second” black and white SSTV mode. Copthorne MacDonald suggests 15 lines per second, ...

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“Classic” Black & White SSTV…

Published on 2011-09-25 by Mark VandeWettering

I haven’t had much time for actual experimentation, but I have spent some time researching and some more time thinking about how to properly implement ...

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Thoughts on SSTV…

Published on 2011-09-19 by Mark VandeWettering

My recent playing with SSTV images coming from ARRISSat-1 have made me think a bit more about SSTV. I used two different applications to decode ...

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Word Foto

Published on 2011-09-15 by Mark VandeWettering

Courtesy of a new $1.99 app called Word Foto, I give you: ...

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NOAA 19 recording, and atpdec…

Published on 2011-09-14 by Mark VandeWettering

Some of you may remember that I wrote my own APT satellite decoder. I ran across someone else who did the same: ATPDEC by Thierry ...

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Shortwave Pirate Radio

Published on 2011-09-14 by Mark VandeWettering

I got pointed at this rather large collection of shortwave recordings which are archived on the archive.org website: Shortwave Pirate Radio : Free & Unlicensed ...

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Morning ARISSat-1 SSTV

Published on 2011-09-11 by Mark VandeWettering

I overslept this morning, and woke up a scant 10 minutes before this morning’s good pass of ARISSat-1 was to begin. Still, all I had ...

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8080 bottles of beer…

Published on 2011-09-10 by Mark VandeWettering

Okay, not 8080 bottles, but 99 bottles of beer anyway… [proof:~/adad] markv% ./adad ::: brainwagon 8080 emulator version 1.0 ::: 637 bytes of code loaded. ...

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Emulator progress, and envy…

Published on 2011-09-10 by Mark VandeWettering

I’ve made a tiny bit of headway, but also encountered a link which makes me envious of much greater hacking skill. Óscar Toledo did an ...

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More on my 8080 emulator…

Published on 2011-09-09 by Mark VandeWettering

I spent some more time hacking on my emulator today. The key to getting an emulator to work is to have good, clear references on ...

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On ARISSat-1 SSTV images…

Published on 2011-09-08 by Mark VandeWettering

I’ve been trying to get out and record more ARISSAT-1 passes, in the hopes of getting some nice SSTV images. If you follow @brainwagon on ...

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An 8080 emulator…

Published on 2011-09-08 by Mark VandeWettering

A couple of days ago I got intrigued by this cool project which ran CP/M on an AVR . The basic idea was to equip ...

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Sprites mods – CP/M on an AVR

Published on 2011-09-05 by Mark VandeWettering

I’ve always been fascinated by emulation and virtual machines, as well as retro-computing: resurrecting the old machines of my past. I never owned an old ...

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More ARISSat-1 recordings…

Published on 2011-09-03 by Mark VandeWettering

Got a short recording of ARISSat-1 this evening. Not 100% sure, but it may have transitioned into low power mode at the end of this ...

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Don Henley on the PROTECT IP Act

Published on 2011-08-26 by Mark VandeWettering

Today I noticed an editorial by founding member of the Eagles , Don Henley asking for the passage of the PROTECT IP Act currently stalled ...

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Mag 7 Star Atlas Project

Published on 2011-08-25 by Mark VandeWettering

Tom mentioned that a new supernova had been found in M101 , a spiral galaxy in Ursa Major. While I used to be a bit ...

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How-To: Coffee Can Radar

Published on 2011-08-24 by Mark VandeWettering

This is awesome! MIT has created an interesting course as part of the their Open Course Ware project: it describes how radar can work, and ...

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Another retro computer website…

Published on 2011-08-17 by Mark VandeWettering

While researching some information on the old CP/M operating system (don’t ask) I found Herb Johnson’s excellent retrotechnology.{com,net} website. It’s chock full of good information ...

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Astronaut Photographs Perseid Meteor

Published on 2011-08-15 by Mark VandeWettering

NASA astronaut Ron Garan snapped this awesome picture of a Perseid meteor from his vantage point on the ISS: Astronaut Photographs Perseid Meteor… From Space ...

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Arduino PWM Laser Transmitter

Published on 2011-08-15 by Mark VandeWettering

A couple of weeks ago, I programmed an Arduino to take digitized sound stored in its rom, and send it out via PWM of an ...

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AMSAT SSTV gallery

Published on 2011-08-10 by Mark VandeWettering

I haven’t had the chance to do any ARISSAT-1 SSTV lately, but I thought I’d snoop over to their gallery to have a peek. Some ...

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Amplifier Tutorial

Published on 2011-08-08 by Mark VandeWettering

I was looking for some amplifier references to brush up on amplifier design. I found this one to be pretty good: Amplifier Tutorial . ...

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Preamps and Microphones…

Published on 2011-08-07 by Mark VandeWettering

A few weeks ago I did an experiment that stored an 8 bit PCM file in the flash memory of an Arduino, and then used ...

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Morning pass of ARISSAT-1

Published on 2011-08-05 by Mark VandeWettering

Success! I managed to record the pass of ARISSAT-1 from my front yard this morning. I woke up around 7:00AM, and tried quickly to get ...

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ARISSAT-1 Update…

Published on 2011-08-04 by Mark VandeWettering

Okay folks, I’m sorry, I promised that I’d try to stay up late enough to record some of the first passes of ARISSAT-1, but physical ...

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Antenna? Who needs an antenna?

Published on 2011-08-04 by Mark VandeWettering

Drew, KO4MA, didn’t let a little thing like the missing antenna on ARISSAT-1 keep him down. He aimed his antennas at the satellite, and recorded ...

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Clouds in a Glass of Beer Guinness

Published on 2011-08-02 by Mark VandeWettering

I subscribe to the Sixty Symbols YouTube channel which is produced by the University of Nottingham, and today, I noticed they had a new video ...

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PDP-10/X on an FPGA

Published on 2011-07-29 by Mark VandeWettering

I think I saw this a couple of years ago, but Doug Conroy seems to have made some progress on his implementation of a PDP-10 ...

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On RC Filters…

Published on 2011-07-29 by Mark VandeWettering

Over on the #savagecircuits IRC channel on irc.afternet.org, Atdiy was trying to decipher the mysteries of a mainstay of analog circuit design: the RC filter ...

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The Kansas City Standard

Published on 2011-07-22 by Mark VandeWettering

I was pondering my laser transmitter the other day, and began to think of how I might transmit digital information from the Arduino to the ...

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AE6TY on Software Defined Radio

Published on 2011-07-21 by Mark VandeWettering

This morning I realized that somehow I had failed to listen to the latest SolderSmoke episode (#135) , so during my somewhat longer than usual ...

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Nine years of blogging…

Published on 2011-07-21 by Mark VandeWettering

Glancing to the side bar, it appears that today in 2002 was the first post on my blog. This should be post number 3,690. I’ve ...

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Parents can trump mentors…

Published on 2011-07-18 by Mark VandeWettering

Back on July 8th, I wrote a brief post about mentoring. Hopefully, some of you read it. In case you didn’t, I made the completely ...

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Laser audio transmitter…

Published on 2011-07-16 by Mark VandeWettering

Okay, so last night, after just testing one of the laser modules I had, I decided to try to make a transmitter to send audio ...

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Just playing with laser diodes…

Published on 2011-07-16 by Mark VandeWettering

A while ago, I got some laser diodes from from dealextreme.com . They were dirt cheap, but I haven’t had any chance to hook them ...

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Designing a full adder with logisim

Published on 2011-07-12 by Mark VandeWettering

An anonymous commenter suggested that I look at logisim , a circuit simulator written in Java. It has many nice features. For instance, you can ...

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DIY Computer Project

Published on 2011-07-10 by Mark VandeWettering

Continuing my obsession with reading up on homebrew CPU projects, I found this incredible blog. Instead of just presenting the completed design, Dawid has presented ...

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Time for some blog maintenance…

Published on 2011-07-07 by Mark VandeWettering

My blog may be unavailable for a short time today as I perform some needed upgrades. If all goes well, any down time should last ...

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John Doran’s D16 Homebrew Computer

Published on 2011-07-07 by Mark VandeWettering

Just another link to inspire me in my glacial moves toward designing a CPU of my own: The D16/M is a general-purpose, stored-program, single-address, 16-bit ...

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Michael Bay and Basic Astronomy

Published on 2011-07-04 by Mark VandeWettering

I’ve seen lots of bashing of Michael Bay and his movies this weekend. Amongst the blogging world, there seems to be almost universal contempt the ...

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Another Numbers Station Recording…

Published on 2011-07-03 by Mark VandeWettering

I was bored, and feeling stupid. So, I was scanning around looking for numbers stations. And, if you look, you shall find. Here’s one transmitting ...

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Magnetic Loop Antenna Theory

Published on 2011-07-02 by Mark VandeWettering

I was digging around trying to find some software to help me design a magnetic loop antenna for use on VLF frequencies. I stumbled across ...

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The sights and sounds of RTTY

Published on 2011-07-02 by Mark VandeWettering

Over at the tymkrs blog, they’ve been learning a bit about RTTY as a digital mode , but I found their description a bit theoretical. ...

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Treasure Trove of Ideas Re: Homebrew CPUS

Published on 2011-06-30 by Mark VandeWettering

Dieter Muller has an amazingly interesting collection of interesting ideas about building homebrew cpus with TTL logic. I’m sure to old school logic designers, most ...

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Recordings of High Frequency Beacons…

Published on 2011-06-30 by Mark VandeWettering

It’s been quite some time since I’ve hunted for any beacons, and I’ve never really payed much attention to HF pirate beacons. Typically these are ...

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Bit banger

Published on 2011-06-17 by Mark VandeWettering

Anyone who has seen my projects on the Atari 2600 might reasonably conclude that I have a thing for retro computing. The saying goes “it ...

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Gyrator circuit in LTSpice…

Published on 2011-06-16 by Mark VandeWettering

While watching TV (not very closely) I went ahead and entered the “gyrator” part of the Gyrator VLF circuit. It does indeed seem to work. ...

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Andrew Holme’s projects

Published on 2011-06-16 by Mark VandeWettering

Most of the websites that I link to are related to specific topics or projects. But every once in a while, you find one that ...

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The Gyrator VLF receiver…

Published on 2011-06-16 by Mark VandeWettering

Back on June 7, there was a spectacular coronal mass ejection on the sun: Yes, I did mention this event and gave some links to ...

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Software Defined Radio Links

Published on 2011-06-15 by Mark VandeWettering

I own an SDR-IQ software defined radio, a Funcube Dongle (more on that later) and have built a marginally operable Softrock Lite receiver, so you ...

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Papilio – An Introductory FPGA Kit

Published on 2011-06-11 by Mark VandeWettering

My own explorations of FPGA have been, well, slow. Well, let’s be truthful: since buying a BASYS-2 board, I have done little more than ensure ...

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Gameduino Programming Examples?

Published on 2011-06-10 by Mark VandeWettering

I am going to be trying to post some code examples and demos using the Gameduino over the next few weeks. I have an idea ...

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Space Invaders Sound Emulation

Published on 2011-06-09 by Mark VandeWettering

My recent playing with the Gameduino had me thinking more about games like Space Invaders, and while I was searching around for bitmaps, I kept ...

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Op amps in small-signal audio design

Published on 2011-06-06 by Mark VandeWettering

KB6NU drew my attention to this article on using operational amplifiers in audio design . It’s apparently drawn from material in Douglas Self’s book Small ...

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G0NQE’s Acorn SDR receiver kit

Published on 2011-06-06 by Mark VandeWettering

Ever on the lookout for software defined radio designs, I was pleased to see G0NQE’s simple receiver design this morning. He offers a kit, but ...

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Ham Radio Podcasts

Published on 2011-06-03 by Mark VandeWettering

I’ve been meaning to do a quick post about podcasts that I listen to that are related to ham radio, just in case there are ...

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Return Infinity – BareMetal OS

Published on 2011-05-29 by Mark VandeWettering

At various times, I’ve been interested in writing operating systems. I haven’t done much thinking about this recently, but it is a topic of interest. ...

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High Power LED Driver Circuits

Published on 2011-05-29 by Mark VandeWettering

My recent experiments with light based communication left me thinking about simple circuits for driving LEDs. I’ve got three big LEDs (1W) on order from ...

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A simple constant current LED circuit

Published on 2011-05-29 by Mark VandeWettering

I’ve been pretty happy with the performance of my linear current based LED transmitter, but that was just sitting on the bench, driving a 20ma ...

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FUNcube Dongle on order!

Published on 2011-05-26 by Mark VandeWettering

Huzzah! I’ve been wanting to get a Funcube Dongle Pro for some time, but they have been in short supply. Today, a fresh batch went ...

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Question about LEDs…

Published on 2011-05-23 by Mark VandeWettering

A few days ago, I posted a query to twitter regarding voltage drop in LEDs: I didn’t receive a lot of truly helpful replies: a ...

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Improved Joule Thief Circuit

Published on 2011-05-21 by Mark VandeWettering

While surfing for more LED information, I found this rather nifty little circuit on Electronic Design’s website. It’s a little Joule Thief-like circuit, but with ...

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A foxhole radio…

Published on 2011-05-20 by Mark VandeWettering

IRC and Minecraft buddies Atdiy and whisk0r have been doing some cool videos on making cigar box guitars, some kind of neural network stuff, and ...

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LED Transmitter Schematic

Published on 2011-05-20 by Mark VandeWettering

Okay, so here’s the schematic for the LED transmitter circuit as I assembled this evening. I tried to write up an exposition of how it ...

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The Broadcaster Project, revisited

Published on 2011-05-18 by Mark VandeWettering

One year ago today, I first published a link to The Broadcaster Project , a site which had several tips on using command line tools ...

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All LEDs are not created equal…

Published on 2011-05-18 by Mark VandeWettering

Of course I knew that all LEDs aren’t the same: they differ in color, size and brightness. They also differ in the forward voltage, reverse ...

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Update re: the HamCan.

Published on 2011-05-17 by Mark VandeWettering

Dave, NM0S and designer of the HamCan, a kit that I previously assembled, but had some difficulty with nicely contacted me via email today so ...

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Toronto Mini Maker Faire

Published on 2011-05-14 by Mark VandeWettering

Next weekend is our Maker Faire here in California, but there was just a Mini Maker Faire in Toronto, and it looked like there was ...

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Inductive Spikes: Simulation and Reality

Published on 2011-05-12 by Mark VandeWettering

Kindred spirits Atdiy and whisk0r over at the tymkrs blog were playing around with inductors: They demonstrated that inductors can generative large inductive spikes : ...

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Ugly is Better

Published on 2011-05-09 by Mark VandeWettering

So, over the weekend I assembled the HamCan, and got some pretty wonky performance. I’m going to go through it all again and see if ...

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Today’s Project: The HamCan

Published on 2011-05-08 by Mark VandeWettering

I ordered a little HamCan kit about a week ago. It’s a little QRP CW transceiver produced by the Four State QRP kit . Today, ...

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Word squares…

Published on 2011-05-05 by Mark VandeWettering

I like to read the Programming Praxis website. Every post challenges you to write some simple programs to boost your skill, akin to finger exercises ...

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Minor outages might occur…

Published on 2011-04-27 by Mark VandeWettering

I’m doing a bit of website management. This might result in some minor unavailability of my website: hang in there, I’ll be back. Update: I ...

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Schematic for the Micro FM transmitter

Published on 2011-04-19 by Mark VandeWettering

Tetsuo Kogawa’s circuit is pretty well documented, but not in conventional schematic form. I decided to enter it into LTSpice to see what it could ...

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How to build the simplest transmitter?

Published on 2011-04-15 by Mark VandeWettering

In digging around for small AM radio schematics (I’m more interested in AM than FM), I ran across Tetsuo Kogawa’s site on building the “simplest” ...

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Cool Hack O’ Day: real pixel coding

Published on 2011-04-11 by Mark VandeWettering

The problem with working some place with lots of intelligent people is that it is increasingly hard to maintain one’s sense of superiority. Today, I ...

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Amazing small machining site…

Published on 2011-03-31 by Mark VandeWettering

Back when I was into building telescopes (something I haven’t done very much of in the last few years) I developed a desire to try ...

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The HOPALONG Orbit Fractal

Published on 2011-03-25 by Mark VandeWettering

While watching TV, I coded up a custom renderer for the HOPALONG orbit fractal, generated 300 frames, and encoded it with FFMPEG. Without further ado: ...

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The Chaotic Lorenz Water Wheel

Published on 2011-03-23 by Mark VandeWettering

Doing a bit more reading, I found out that the equations that make up the Lorenz attractor (which are derived from a simplified model of ...

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Chua chaotic oscillator

Published on 2011-03-23 by Mark VandeWettering

Over sushi this evening, Tom mentioned “Chua’s circuit”, or “Chua’s oscillator”. I knew that I had seen this somewhere before, but failed to remember that ...

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Followup re: crystal microphones

Published on 2011-03-16 by Mark VandeWettering

A bit more digging on yesterday’s topic (crystal microphones) yielded this book, published by the U.S. Army, entitled CW and AM transmitters and receivers which ...

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Cooking up piezo crystals at home

Published on 2011-03-15 by Mark VandeWettering

I’ve always been interested in crystals: their outer beauty hints at a certain kind of inner beauty, caused by the orderly arrangement of molecules at ...

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No, really, pi is wrong

Published on 2011-03-14 by Mark VandeWettering

Having completed my posting of a new program in celebration of pi day (going back to just spelling it out, since somewhere in the WordPress ...

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Happy π day!

Published on 2011-03-14 by Mark VandeWettering

It’s 3/14 again, and that means that it’s π day! Huzzah. This year, I thought I’d try implementing a way of computing π which was ...

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Pocket Laser Engraver

Published on 2011-03-13 by Mark VandeWettering

Scanning some of the usual RSS feeds, I saw this link to an interesting little laser paper cutter project, driven by Arduinos and a couple ...

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Bookmarked for later: Open PCB

Published on 2011-03-08 by Mark VandeWettering

I’ve been pondering a couple of projects that could benefit from having custom PCBs manufactured, and David Jones twittered about one I hadn’t seen before: ...

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CMMR-6P-60 WWVB Clock Receiver…

Published on 2011-03-01 by Mark VandeWettering

Okay, I’ve been thinking (somewhat abstractly, since I have had relatively little free time lately) about what I eventually want my beacon transmitter to be. ...

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A dual DAC…

Published on 2011-03-01 by Mark VandeWettering

My experimentation with oscilloscope displays made me wonder what the oscilloscope clock by Sparkfun/Dutchtronix used. It turns out to be a $5 dual parallel input ...

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Pixels Past Circuit Boards

Published on 2011-02-28 by Mark VandeWettering

I’ve done a couple of Atari 2600 projects in the past: my Pong clock and my Enigma Machine simulator. To make physical realizations of these ...

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Hershey Vector Fonts

Published on 2011-02-28 by Mark VandeWettering

Nearly thirty years ago, I remember hacking together some simple code to display graphics on a WYSE 35 terminal. The terminals supported the TEK 4014 ...

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Arduino + MCP4725 Breakout Board

Published on 2011-02-25 by Mark VandeWettering

Well, the other I2C based breakout board I got from Sparkfun was for a Microchip MCP4725 DAC. It’s a 12 bit device, and will eventually ...

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PCB Order via DorkbotPDX

Published on 2011-02-24 by Mark VandeWettering

A while ago, I remember hearing that DorkbotPDX had some deal where you could submit PCB designs and have them ganged with other designs and ...

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Dennis Klaat on Formant Synthesis

Published on 2011-02-20 by Mark VandeWettering

I’m in serious danger of digressing into trying to learn more about speech synthesis. The discovery of CSpeak, it’s relatively lack of intelligibility and inability ...

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Using PWM to Generate Analog Output

Published on 2011-02-17 by Mark VandeWettering

Analog Devices Microchip has this nice little application note on using pulse width modulation. Seems like it will be useful if you wanted to (for ...

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CSpeak and Cantarino

Published on 2011-02-17 by Mark VandeWettering

Yesterday’s surfing churned a couple of interesting links on the subject of speech synthesis and computer singing. I wasn’t really explicitly looking for this stuff, ...

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Is technology good for ham radio?

Published on 2011-02-16 by Mark VandeWettering

Over at G4ILO’s blog, he responded to the recent Wired article about ham radio by asking “Is technology good for ham radio?” with his answer ...

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Happy Valentine’s Day!

Published on 2011-02-14 by Mark VandeWettering

This blog is mostly about my geeky side. You all might be shocked to learn that someone as totally geeky as myself has a different ...

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QRSS beacon, ala Hans Summers, G0UPL

Published on 2011-02-10 by Mark VandeWettering

My regenerative receiver was annoying me, and I wanted to do some soldering tonight anyway, so I thought I’d tack together a really simple transmitter ...

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Arduino QRSS from AA6DY

Published on 2011-02-10 by Mark VandeWettering

My evening’s hacking will probably be in coercing an Arduino to do DFCW (at least) and may SMT Hellschrieber. Of course, as soon as you ...

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Is this really why ham radio endures?

Published on 2011-02-04 by Mark VandeWettering

David Rowan of Wired.co.uk has an article over on their website: Why ham radio endures in a world of tweets (Wired UK) He waxes philosophically ...

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VK2ZOI’s Flower Pot Antennas

Published on 2011-02-01 by Mark VandeWettering

I made a brief mention of this website a few weeks ago on Twitter, but thought I should also archive a link to it here. ...

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My speech bot, using irclib.py

Published on 2011-01-30 by Mark VandeWettering

Okay, revamped the basic idea, now using the irclib, which in spite of a lack of documentation, actually proved to be pretty easy to use. ...

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555 Contest

Published on 2011-01-24 by Mark VandeWettering

Some idle musings by hacker Jeri Ellsworth has spawned a contest for designs using the 555 timer. It’s not really my area of expertise (and ...

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MorseTweeter V 0.7 is running

Published on 2011-01-24 by Mark VandeWettering

Hajos dropped me a quick email to thank me for helping him in his Arduino project that uses an Arduino to monitor tweets using an ...

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PA1B’s QRPP page

Published on 2011-01-22 by Mark VandeWettering

Thanks to Roger, G3XBM for the link to PA1B’s QRPp page. QRP operation is operating with an output power of 5w, QRPp operation is operating ...

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My Morse Code practice generator…

Published on 2011-01-12 by Mark VandeWettering

A while ago, I worked up a simple little program that could generate both computer generated speech and Morse code at various speeds to make ...

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DC40B update

Published on 2011-01-10 by Mark VandeWettering

Previously, I noted that the oscillator on my DC40B kit (supplied by Doug Hendrick’s qrpkits.com was rather sluggish to start. Reading the messages on the ...

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First test of Codec 2

Published on 2011-01-06 by Mark VandeWettering

I’ve previously mentioned David Rowe’s excellent work on a patent free codec for amateur radio, Codec2, but today is the first time I actually downloaded ...

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Ring Oscillator Das Blinkenlights

Published on 2011-01-05 by Mark VandeWettering

Crap, the original entry I made for this got screwed up somehow. Oh well. Alan, VK2ZAY, was experimenting with ring oscillators, which make some very ...

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Cascode 7 Experimental Receiver

Published on 2011-01-03 by Mark VandeWettering

Here is a nice little receiver project which has many features that are similar to the ones I noted as desireable in my post earlier ...

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A few thoughts on D-Star

Published on 2011-01-03 by Mark VandeWettering

Some chatting on the #hamradio IRC channel on irc.freenode.net have made me think about D-Star a bit more, and I thought I’d write them down ...

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FUNcube SDR video

Published on 2011-01-03 by Mark VandeWettering

I want one. I tried to get one, but the last batch sold out in 1 minute, which made me about 3 minutes too late. ...

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DC40B, Day 4 + over a year…

Published on 2010-12-29 by Mark VandeWettering

Back in October of last year, I was eagerly putting together one of Doug Hendrick’s DC40b kits, a nifty little transceiver, complete with a nice ...

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It receives!

Published on 2010-12-29 by Mark VandeWettering

Well, I found a BNC connector, hooked up my antenna, and voila! Before testing it, I tried listening up on my FT-817, and the band ...

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Merry Christmas to All…

Published on 2010-12-25 by Mark VandeWettering

Well, it’s just after midnight, and with it is time for me and Carmen to don kerchief and cap and then to settle our brains ...

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Jupiter, the Bringer of Jollity

Published on 2010-12-25 by Mark VandeWettering

Phil Plait dug out these amazing pictures taken by Damian Peach. If you go to your local library and look at astronomy books that were ...

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Android In Spaaaace!

Published on 2010-12-22 by Mark VandeWettering

I tweeted this earlier, but in case you aren’t subscribed to my twitter feed (user brainwagon) then you should check it out: some Google engineers ...

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Apollonian Gasket

Published on 2010-12-18 by Mark VandeWettering

It took me an embarrassingly long time to write a program to generate this fractal known as the Apollonian Gasket: More information here: Apollonian gasket ...

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Total Lunar Eclipse

Published on 2010-12-16 by Mark VandeWettering

On Monday, December 20th, we’ll have an opportunity to view a total lunar eclipse. Huzzah! It’s been quite a while since I’ve had the opportunity ...

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Ground tracks of satellite passes…

Published on 2010-12-14 by Mark VandeWettering

Every once in a while, I feel like making high quality pictures of ground tracks of satellites. The Generic Mapping Toolkit is handy, especially when ...

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Plink2!

Published on 2010-12-13 by Mark VandeWettering

Okay, I finally found my copy of Ken Steiglitz’s A DSP Primer (a great book, but sadly more expensive now than when I got my ...

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NanoSail-D Update

Published on 2010-12-12 by Mark VandeWettering

It appears that the solar sail cubesat NanoSail-D that was recently launched may not have deployed properly: they haven’t been able to track it or ...

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Plink!

Published on 2010-12-09 by Mark VandeWettering

The other day, I was trying to remember how to generate some simple sounds with minimal amounts of code. I remembered vaguely something called the ...

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The Cinnamon Bear

Published on 2010-12-02 by Mark VandeWettering

When I was young, I used to tune into KEX 1190 in Portland during the Christmas season when they would play episodes of “The Cinnamon ...

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The Wobbulator

Published on 2010-11-21 by Mark VandeWettering

The Wobbulator is a pretty nifty little video modification gadget. Basically, the idea is that by adding a couple of extra magnetic yokes at odd ...

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VGA Signal Timing

Published on 2010-11-11 by Mark VandeWettering

I wanted some information on VGA signal timing. A few minutes of googling turned up this information. Bookmarked for future reference. VGA Signal Timing ...

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Contrail Science Overflow

Published on 2010-11-10 by Mark VandeWettering

The intertubes are all a-twitter (is Twitter a-twitter?) with the video of what appeared to be a missile launch off the coast of Los Angeles ...

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What do I know about baseball?

Published on 2010-10-18 by Mark VandeWettering

Back in 2004, I blogged a short message about the game four performance of the Red Sox against the Yankees. brainwagon » Blog Archive » ...

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Design of a simple ALU…

Published on 2010-10-15 by Mark VandeWettering

A couple of weeks ago, I noticed a bunch of links to a 16 bit ALU designed to operate using blocks which are defined in ...

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V4L2VD Home Page

Published on 2010-10-13 by Mark VandeWettering

I think I heard mention of this project during a recent episode of the FLOSS podcast a couple of weeks ago, and thought that it ...

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Nano-Satellite Launch Challenge

Published on 2010-10-06 by Mark VandeWettering

Apparently NASA is sponsoring the development of nanosatellite launch capabilities by sponsoring a two million dollar prize purse for the first team to launch a ...

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Another nifty balloon project…

Published on 2010-10-06 by Mark VandeWettering

Luke Gesissbuhler did a balloon launch, lofting an HD video camera and an Apple iPhone to lofty heights before recovering them. Very nice. The footage ...

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On random numbers…

Published on 2010-10-06 by Mark VandeWettering

While hacking a small program today, I encountered something that I hadn’t seen in a while, so I thought I’d blog it: My random number ...

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Redstone circuits

Published on 2010-09-29 by Mark VandeWettering

Yesterday I blogged a bit about someone who implemented a 16 bit ALU in the game Minecraft. It wasn’t really apparent to me how the ...

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From Nand to Tetris in 12 steps

Published on 2010-09-28 by Mark VandeWettering

This came across my desk earlier today. I’ve actually been interested in this kind of “from the ground” up view: basically compiling simulators for very ...

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Arduino Blog: Dinner is Ready

Published on 2010-09-26 by Mark VandeWettering

Over on the Arduino Blog, they have mentioned a bunch of interesting new developments in the Arduino-verse. These include two new Arduino models, with some ...

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Ambisonic Microphone Exp2 Construction

Published on 2010-09-24 by Mark VandeWettering

Here’s one for Tom, or anyone else interested in doing ambisonic sound recordings. It mounts four inexpensive Panasonic electret microphones into a tetrahedral array to ...

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Direct use of the PostScript language

Published on 2010-09-23 by Mark VandeWettering

As I have mentioned before, I sometimes find it convenient to write raw PostScript. I’ve used it to generate business cards, to make templates for ...

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Software for the SDR-IQ

Published on 2010-09-22 by Mark VandeWettering

Earlier this year, I blogged about my acquisition of an SDR-IQ receiver, made by RFSpace . I hadn’t had it hooked up for quite some ...

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Stain PVC Any Color You Like

Published on 2010-09-21 by Mark VandeWettering

PVC can be a useful construction material, but it comes in an annoyingly limited range of colors: white. Painting it is a pain, but it ...

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Homemade T.E.A. Lasers

Published on 2010-09-11 by Mark VandeWettering

Nyle Steiner gets a link from me again, this time for his construction of T.E.A. lasers. I remember reading about these kind of lasers in ...

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GPS Visualizer

Published on 2010-09-02 by Mark VandeWettering

GPS visualizer takes all sorts of data from various GPS type hardware/applications, and can convert into bunches of other output formats, like Google Earth’s KML ...

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Les Météores, René Descartes

Published on 2010-09-01 by Mark VandeWettering

I was hoping to find a copy of René Descartes treatment of rainbows as part of Project Gutenberg (hopefully in English) but no dice. It ...

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Khan Academy

Published on 2010-08-30 by Mark VandeWettering

I’ve seen the Khan Academy listed a couple of times before, but never really bothered to look at it again until today. I was confused ...

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Hydropower generator

Published on 2010-08-30 by Mark VandeWettering

On hack-a-day today, I saw this interesting link to a small hydroelectric generator. I’ve been interested in DIY/non-centralized generation of electricity for quite a while ...

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iHAB Iowa High Altitude Balloon

Published on 2010-08-28 by Mark VandeWettering

I was on the #hamradio channel on IRC this morning where people were watghing the progress of the Iowa High Altitude Ballon (IHAB) operating with ...

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On light in drops of water…

Published on 2010-08-27 by Mark VandeWettering

A couple of days ago, I linked to an article which talked about using a laser beam as a kind of microscopic projector . The ...

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Morning Commute with OpenTracker+

Published on 2010-08-24 by Mark VandeWettering

So, this morning I decided to give my OpenTracker another run, both to get a feel for how some of the parameters worked, as well ...

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Laser Microscope

Published on 2010-08-24 by Mark VandeWettering

An interesting impromptu project: a laser pointer directed through a drop of water projects a large magnified image on the wall. Teravolt.org – Laser Microscope ...

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Old Glory, in Postscript

Published on 2010-08-19 by Mark VandeWettering

I needed a graphic of a flag that I could scale to whatever size I needed. About 10 minutes of Postscript hacking with the specifications ...

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Twitter Test

Published on 2010-08-19 by Mark VandeWettering

A recent upgrade broke twitter updates on my blog. If you read this on twitter, it means that it’s working again. Addendum: Sigh. Still broken. ...

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CUSF Landing Predictor 2.0

Published on 2010-08-17 by Mark VandeWettering

Cambridge University has an amazing webpage that provides a web based front end to a weather balloon flight prediction program. It can even save output ...

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HOWTO make a simple HTTP server…

Published on 2010-08-12 by Mark VandeWettering

It’s occasionally useful to have a basic HTTP running to serve the files in a directory. You might want to fetch some MP3 or movie ...

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Zounds! Sounds!

Published on 2010-08-11 by Mark VandeWettering

Tom and I have been discussing some early hacking efforts, probably spawned in part by my re-reading of Levy’s Hackers . A couple of days ...

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Kite Photography

Published on 2010-08-07 by Mark VandeWettering

Tom and I took a quick break after work today to try lofting my Canon camera up in the air. We used the Picavet that ...

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I don’t think I am a hacker…

Published on 2010-08-06 by Mark VandeWettering

Today’s moment of introspection came this morning. After some time spent updating my twitter feeds and answering emails, followed by my regular commute (where I ...

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One Bit Ferrite Core Memory

Published on 2010-08-06 by Mark VandeWettering

Anyone younger than me has probably never seen core memory, or even knows how it works. A very cool writeup, illuminating the actual workings of ...

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A Prototype Picavet Kite Rig

Published on 2010-08-05 by Mark VandeWettering

I got home today, and decided to tack together a prototype picavet, mostly because I couldn’t visualize how it works. httpvh://www.youtube.com/watch?v=LEIbac-dULs In case you don’t ...

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Primality testing with Perl regexs

Published on 2010-07-24 by Mark VandeWettering

Okay, here’s a little pet peeve of mine. Somebody brought up that it’s possible to do primality testing using Perl regular expressions. This has been ...

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Typos in Exhibit 1?

Published on 2010-07-12 by Mark VandeWettering

WARNING: if you are working on this code, this article contains spoilers which may blunt your own intellectual satisfaction in working on it yourself, including ...

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Progress on Exhibit 1

Published on 2010-07-10 by Mark VandeWettering

Okay, I think I’ve figured out the problem with my code that back propagates cipher wheels to the beginning of the code, and ran it ...

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More on Chaocipher…

Published on 2010-07-09 by Mark VandeWettering

Well, I didn’t have much time left to work on Chaocipher last night, so I left it running on Exhibit 1. It claimed to recover ...

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Progress on the Chaocipher…

Published on 2010-07-08 by Mark VandeWettering

My brain has got a bug now. It’s called Chaocipher. Despite the fact that I’m spending my days off with my family, I find that ...

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Revisiting TinyP2P

Published on 2010-06-29 by Mark VandeWettering

As I was driving in this morning, I entertained a train of thought that led me back to thinking about peer to peer networks. I ...

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Using Registax…

Published on 2010-06-11 by Mark VandeWettering

Lots of amateur astronomers use Registax to do what is known as “Lucky Imaging”. The idea is that you record a bunch of video frames, ...

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Inexpensive 3 axis mill…

Published on 2010-06-10 by Mark VandeWettering

As part of the “How To Make (Almost) Anything” course at MIT, David Carr designed and built a very simple 3 axis mill, that seems ...

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Big Fat Lies by Gary Taubes

Published on 2010-06-08 by Mark VandeWettering

I’m back again fighting the battle against my weight, cholesterol and blood pressure. As a guy who tries to be very rational and very scientific, ...

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A question from the ballgame…

Published on 2010-06-06 by Mark VandeWettering

Can someone (preferably somebody whose very keen on baseball, especially sabermetrics) answer me a question? Tonight I was at the game between the Athletics and ...

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Amateur Astronomers Detect Jupiter Impact

Published on 2010-06-05 by Mark VandeWettering

Two different amateur astronomers detected an object impacting Jupiter on June 3. Catch the video: it’s pretty impressive, and shows that amateurs can make interesting ...

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Perfect Game, Imperfect Call

Published on 2010-06-03 by Mark VandeWettering

Yesterday was an intereseting day in baseball. In the last month, we’ve seen two perfect games pitched: the first by Dallas Braden, and the second ...

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NaCl, at 70x

Published on 2010-05-29 by Mark VandeWettering

Slides and coverslips are back ordered, so I am still playing with stuff I can front illuminate. For your viewing pleasure, ordinary table salt, magnified ...

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Martin Gardner, 1914 – 2010

Published on 2010-05-23 by Mark VandeWettering

Today, someone who had a big influence on my life (and whom I’ve never met) passed away: legendary recreational mathematician Martin Gardner. I learned about ...

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Musings on Blogging and Social Media

Published on 2010-05-22 by Mark VandeWettering

Over the last couple of days, weeks, and even months, I’ve been pondering my participation in various social media: mostly my efforts at blogging and ...

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Google Font API Test

Published on 2010-05-20 by Mark VandeWettering

Google has a new API that enables you to easily embed a selection of fonts into web pages. It seems to work! Try googling for ...

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The Virtual Choir – Eric Whitacre

Published on 2010-05-06 by Mark VandeWettering

In between celebrating the completion of a project at work (and coincidently Cinqo de Mayo) and pondering the mysteries of singular value decomposition, I found ...

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Images of Objects in Orbit

Published on 2010-05-02 by Mark VandeWettering

Ralf Vandebergh has a really interesting web page, where he shows pictures of the ISS and Shuttle missions taken with a 10″ Newtonian telescope. The ...

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LED’s as Varicap Diodes

Published on 2010-04-29 by Mark VandeWettering

G3ZJO just posted a nice little blog entry about the use of LEDs (which are nearly ubiquitous) as varicaps (which are often harder to find). ...

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Connect-4 Strategy

Published on 2010-04-27 by Mark VandeWettering

Here is a nifty little page that I haven’t had time to absorb, but it gives some good strategy hints on playing Connect Four. Saved ...

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Simple, reliable 2.5D photography

Published on 2010-04-25 by Mark VandeWettering

I’ve been interested in techniques where amateurs can digitize images and models for quite a bit. This website percolated to the top during today’s relaxing ...

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The Fhourstones Benchmark

Published on 2010-04-24 by Mark VandeWettering

The game Connect Four is a pretty neat little game, which was solved back in 1988 by two different individuals: James Allen and Victor Allis. ...

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Milhouse muses from the past…

Published on 2010-04-23 by Mark VandeWettering

A couple of years ago, I mused about an “easy” checkers problem which my checkers program Milhouse found to be pretty difficult. Here’s the position ...

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Great Science Videos: Sixty Symbols

Published on 2010-04-22 by Mark VandeWettering

While mucking around this morning, I bumped across the Sixty Symbols website, something I hadn’t seen before. It describes itself thusly: Ever been confused by ...

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G4ILO’s Blog: Arecibo success

Published on 2010-04-19 by Mark VandeWettering

G4ILO had much better success than me with similar equipment. His mp3’s are way more convincing than mine. G4ILO’s Blog: Arecibo success . ...

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Yes! Arecibo!

Published on 2010-04-17 by Mark VandeWettering

Or should that be maybe? Arecibo? In the world of visual astronomy, it is well known that your eye’s peak sensitivity to light doesn’t occur ...

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The moon is quiet…

Published on 2010-04-16 by Mark VandeWettering

Sigh. Not hearing anything from the Moon. Tuning into the live ustream.tv video/chat line it appears that lots of people with much larger/better setups than ...

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Cheap Yagi is ready…

Published on 2010-04-16 by Mark VandeWettering

Will I hear anything from the moon tomorrow? Your guess is as good as mine. The business end of a Cheap Yagi ...

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Counting down to Arecibo…

Published on 2010-04-16 by Mark VandeWettering

So, my barely finished antenna got just one basic operational test last night. I monitored the pass of SEEDS II, which was squawking in Digitalker ...

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Inspiration for Moonbounce Day…

Published on 2010-04-15 by Mark VandeWettering

Okay, I’m stretching with this one: it’s a link to archive.org and their movie Le voyage dans la lune (A Trip To the Moon, or ...

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KP4AO EME on USTREAM

Published on 2010-04-15 by Mark VandeWettering

Apparently the Arecibo dish will be streaming video from their location during the Moonbounce event over the next few days. Check out the following link, ...

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Rules of Awari

Published on 2010-04-14 by Mark VandeWettering

Jonathan Schaeffer used to have a page that contained the rules for Awari that are typically used in computer play. Through the miracle of the ...

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Counting Awari Positions…

Published on 2010-04-14 by Mark VandeWettering

Previously I wrote a simple program to compute the number of positions that are legal in Checkers. I thought I might perform the same analysis ...

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Milhouse, what are you thinking?

Published on 2010-04-12 by Mark VandeWettering

Okay, here’s the problem which is driving me crazy. Milhouse gets itself into this position: Black to move, but Milhouse doesn't get the right answer... ...

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Mancala/Oware/Awari

Published on 2010-04-12 by Mark VandeWettering

Checkers is driving me nuts. I thought maybe I should implement a different board game, just for variety. Chess and Othello seemed obvious, backgammon might ...

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What does this software do?

Published on 2010-04-07 by Mark VandeWettering

From a spam email that snuck pass my filter today (name was changed to prevent giving spammers free advertising) Thanks for your interest in Mubbley ...

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False advertising for MLB.TV?

Published on 2010-04-02 by Mark VandeWettering

I’ve got opening night tickets for the Athletics/Mariners opener next Monday, and once again, baseball is beginning to creep into my brain. I’m an XM ...

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jCheckers Beats Milhouse

Published on 2010-03-29 by Mark VandeWettering

After watching a couple of games where Milhouse appeared to get behind, but then pulled out a draw, here’s one where milhouse got behind, stumbled, ...

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jCheckers released

Published on 2010-03-28 by Mark VandeWettering

Martin Fierz, author of the truly excellent checkers program Cake, has released a checkers program in Java. I run Cake on my PC, and also ...

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Proposed change to Part 97.113

Published on 2010-03-27 by Mark VandeWettering

The FCC has a notice of proposed rulemaking whose purpose would be to amend Part 97.113 to allow radio amateurs who are participating in government ...

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Milhouse vs. the iPhone

Published on 2010-03-21 by Mark VandeWettering

I woke up at 5:30 or so this morning, and couldn’t get back to bed, so I thought some more tinkering with Milhouse was warranted. ...

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A Shorter Quine in Python

Published on 2010-03-21 by Mark VandeWettering

Quines are programs that when run produce themselves as output. Previously I had written a fairly longish one in Python . I was reading Russ ...

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Building Yagi Antennas

Published on 2010-03-19 by Mark VandeWettering

I previously made a half-assed “cheap yagi” just using some aluminum wire and a scrap of wood from the garage, but I’ve been thinking of ...

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Can I ever stop doing math?

Published on 2010-03-14 by Mark VandeWettering

I’m still trying to shake the worst of a cold, so the XBox 360 is getting a bit of a workout. I usually only play ...

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VLFradio.com

Published on 2010-03-13 by Mark VandeWettering

Once again, Roger G3XBM has provided me with links to interesting and inspiring reading. Roger is now interested in experimentation below 9khz. He found this ...

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5mw signal from W1BW

Published on 2010-03-12 by Mark VandeWettering

Overnight I heard and was heard by a number of VK and ZL stations, but perhaps my most interesting spot was from long time QRSS/grabber/WSPR ...

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Focusing guides for telescopes

Published on 2010-03-08 by Mark VandeWettering

Today I was cleaning out my office. I’m a clutterbug: I have tons of treasures, but also, let’s face it, an even larger amount of ...

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Simulating a phasing radio…

Published on 2010-03-08 by Mark VandeWettering

I’m gonna dash off to an appointment with my tax guy in a few minutes, so I’ll have to be brief. I’ve been reviewing literature ...

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Back transmitting on WSPR…

Published on 2010-03-07 by Mark VandeWettering

Well, yesterday I was out shopping at HRO, and couldn’t resist the allure of a new Signalink USB sound interface for my FT-817. This is ...

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New DX spot via WSPR…

Published on 2010-03-05 by Mark VandeWettering

This wasn’t quite a personal DX record for me, but it was close, and the first time I’ve heard South Africa in quite some time. ...

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HFAERO.jpg (3397×1781)

Published on 2010-03-04 by Mark VandeWettering

While tuning around, I found some of the VOLMET traffic from NY this evening. In trying to identify other aeronautical signals on HF, I discovered ...

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The Science of Water Rockets

Published on 2010-03-03 by Mark VandeWettering

There has been a lot of publications lately about water rockets . These are rockets which are usually constructed of empty plastic soda bottles, pressurized ...

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On the LDG Z-11 Pro

Published on 2010-03-01 by Mark VandeWettering

AK6L was installing an attic dipole, and idly wondered what the maximum inductance and capacitance the LDG Z11 Pro could swap in. He sent LDG ...

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New DRM channel of Disco Music

Published on 2010-03-01 by Mark VandeWettering

I believe that it was the Amateur Radio newsline podcast which mentioned the following: A Miami based Radio Station – The Disco Palace – has ...

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Vacuum Tubes in Wireless Communication

Published on 2010-03-01 by Mark VandeWettering

More early reading on vacuum tubes. To be honest, I never really understood (or frankly studied) the physics of semiconductors, which always seemed a bit ...

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Low Voltage Vacuum Tubes

Published on 2010-02-28 by Mark VandeWettering

As part of my delvings into things vacuum tubes, I of course found that many others have been down this road, including this rather interesting ...

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Tubes? Who uses tubes anymore?

Published on 2010-02-28 by Mark VandeWettering

For the last week, I’ve been embarking on a ham radio “trip down memory lane”. Well, it would be memory lane if I had any ...

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K6FIB again…

Published on 2010-02-27 by Mark VandeWettering

This morning, I see K6FIB back, this time in all caps as he said he would be, along with perennials KC7VHS and WA5DJJ. Good clean ...

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New Book: International QRP Collection

Published on 2010-02-26 by Mark VandeWettering

While over at Ham Radio Outlet the other day, I noticed a new QRP/homebrewing book on the shelf published by the RSGB: International QRP Collection, ...

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Fifth Position, a test for milhouse

Published on 2010-02-24 by Mark VandeWettering

My trip to Powell’s also netted me Erroll A. Smith’s The American Checker Player’s Handbook , a nice little tome published in 1944. It mostly ...

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A recording of AO-51 – KJ6AKQ

Published on 2010-02-21 by Mark VandeWettering

One of the chaps that I talk to occasionally on IRC has built an IOio satellite antenna, and was nice enough to post a recording ...

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Rob Pike on Quantum Computing

Published on 2010-02-19 by Mark VandeWettering

Rob Pike is a Google researcher, and has written a bunch of stuff in the past that I’ve enjoyed reading. He’s also a telescope maker, ...

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Gruenberger’s prime path

Published on 2010-02-17 by Mark VandeWettering

Here’s an interesting little mathematical morsel from the pages of the bit-player blog having to do with two topics I’ve found interesting in the past: ...

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Real-Time Rendering Blog

Published on 2010-02-16 by Mark VandeWettering

Back around 1984 or so, I first became interested in computer graphics. I was going to college at the University of Oregon, and we didn’t ...

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Another try at an HF FAX decoder…

Published on 2010-02-13 by Mark VandeWettering

About two years ago, I spent an evening and hacked together a simple program for taking recordings of HF-FAX transmissions and converting them into image ...

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CQ WW RTTY?

Published on 2010-02-13 by Mark VandeWettering

Looks like an RTTY contest is currently going on, and nothing is better for revealing band openings. I tuned up to 15m to see what ...

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The math of frequency demodulation…

Published on 2010-02-13 by Mark VandeWettering

Here is the tiny clever bit from last night’s demodulation experiment using HF radiofax. For the purposes of this experiment, I record a single channel ...

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Google Chart Tools / Image Charts

Published on 2010-02-12 by Mark VandeWettering

Wow, the Google Chart Tools api includes all sorts of interesting things you can do with a tiny bit of web programming. For instance, you ...

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NAVTEX on 518khz

Published on 2010-02-11 by Mark VandeWettering

I don’t have the right antennas or the best setup for decoding, but I can still occasionally hear some of the more local NAVTEX stations, ...

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Azimuthal Map Server

Published on 2010-02-10 by Mark VandeWettering

An azimuthal map shows the compass direction for the shortest path to a given location from the place the map is centered. This can be ...

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WSPR on 15m today…

Published on 2010-02-10 by Mark VandeWettering

Today is Wednesday, which means that it’s a day for trying different bands on WSPR. Today is scheduled to be 15m, which I have never ...

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Morse Timing

Published on 2010-02-09 by Mark VandeWettering

While working on my Morse practice generating program that I have tentatively called mscript , I decided that I wanted to support “Farnsworth” timing: basically ...

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Measurements of my 40m dipole…

Published on 2010-02-09 by Mark VandeWettering

I hooked up my MFJ antenna analyzer to my dipole, and wrote down the R and X measurements (resistance and reactive impedances) from 7.0 to ...

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Bruce, VE9QRP on his qrpTracker

Published on 2010-02-05 by Mark VandeWettering

Bruce, VE9QRP has been experimenting with using a small Atmel controller to implement the Plan 13 algorithm that provides satellite tracking and Doppler calculations (the ...

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WSPR spot of DP1POL

Published on 2010-02-03 by Mark VandeWettering

Tonight, I’m currently hearing station DP1POL, from grid IB59uh on 40m. Where is that, you might ask? Antarctica. He’s heard my beacon before, but I ...

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Up receives five Oscar nominations

Published on 2010-02-02 by Mark VandeWettering

Yep, it’s that time again when the Oscar nominations are announced, and once again my Pixarian overlords are nominated for no less than five Oscars ...

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Homemade applesauce…

Published on 2010-01-31 by Mark VandeWettering

If you are a long time reader of this blog, you know that it wasn’t always about ham radio. It’s really about whatever I happen ...

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HAMRADIOSAFARI.COM

Published on 2010-01-31 by Mark VandeWettering

If you haven’t had a chance yet, try checking out Jack Dunigan’s HAMRADIOSAFARI.COM blog. He’s (from his sidebar) the Senior Management Leader of Aidchild Inc., ...

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M1KTA’s QRP ham radio blog: PTO VFO

Published on 2010-01-28 by Mark VandeWettering

If you go back through lots of amateur radio designs, you’ll find many, many circuits that use the nearly uniquitous 365pf air spaced variale capacitors ...

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Vicacopter

Published on 2010-01-27 by Mark VandeWettering

There has been a lot of work in recent years toward making amateur level UAVs. This one is a tricopter, and is completely open source. ...

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40m spots on WSPR

Published on 2010-01-27 by Mark VandeWettering

I’ve got the RFSPACE SDR-IQ hooked up as a receiver again, and using it to feed WSPR. There is a ton of loud RTTY signals ...

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Another checker problem…

Published on 2010-01-25 by Mark VandeWettering

I was waiting for sleep to come, and surfed over to the American Checker Federation website. As long-time readers of this blog might remember, I’ve ...

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Goodbye QRP-L…

Published on 2010-01-25 by Mark VandeWettering

I subscribe to quite a few mailing lists relating to ham radio. A few months back, I decided to give the QRP-L a whirl. Unlike ...

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K6HX QRSS Grabber

Published on 2010-01-20 by Mark VandeWettering

For fun, I’ve got my new RFSPACE SDR-IQ running on my laptop using Spectrum Lab and monitoring the 30m QRSS beacon subband. I enabled its ...

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A Self Contained QRSS beacon…

Published on 2010-01-17 by Mark VandeWettering

Paul, M1CNK, has a very nice webpage that details his QRSS beacon, constructed as several different kits assembled as modules. Very cool. qrssbeacon (wiltonpaul) . ...

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KnightsQRSS blog

Published on 2010-01-17 by Mark VandeWettering

Joachim, PA1GSJ has decided to put up a blog for the KnightsQRSS. I recommend all those interested in QRSS operations to go ahead and subscribe, ...

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W3EEE on LF radio..

Published on 2010-01-13 by Mark VandeWettering

It’s too late, I should be in bed, but once again I’m reading up on low frequency radio communication, another of those oddball interests you ...

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Gilbert Cells

Published on 2010-01-11 by Mark VandeWettering

Diane, VA3DB passed along this excellent page detailing the inner workings of the Gilbert Cell mixer. I was interested in these primarily because I was ...

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Contest!

Published on 2010-01-10 by Mark VandeWettering

Earlier tonight, I noticed that CW traffic on 40m picked way up. You get an interesting view of the band conditions when you can tune ...

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30m Subharmonic I/Q-SDR Receiver

Published on 2010-01-04 by Mark VandeWettering

Over on NT7S’s Ripples in the Ether blog , he presents a link to a project by Joachim, DL1GSJ, a very nifty little SDR designed ...

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Autodyne receiver for WWV

Published on 2010-01-04 by Mark VandeWettering

While scanning QRP-L today, I found an interesting link to a project which gave some details about a little WWV receiver that can serve as ...

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A pass of SO-50….

Published on 2010-01-03 by Mark VandeWettering

I hadn’t worked SAUDISAT 1C (aka Saudi Oscar 50, or SO-50) in quite some time. My recollection was that it was a trickier satellite to ...

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DK3WN SatBlog » XW-1 SSTV

Published on 2009-12-31 by Mark VandeWettering

More fun on HO-68! During a low elevation pass, Mike DK3WN and Henk, PA3GUO made the very first SSTV contact via HO68 – linear transponder. ...

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Gilbert Cell Mixer in LTSpice…

Published on 2009-12-30 by Mark VandeWettering

Well, I went ahead and built the Gilbert cell mixer from the Elmer 101 pages in LTSpice. I’m not sure I understand the biasing that ...

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HO-68 in SSB mode

Published on 2009-12-30 by Mark VandeWettering

I don’t really have the hardware to effectively transmit to satellites in linear transponder mode. To really make it straightforward, you probably would like to ...

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The Hila Trebuchet

Published on 2009-12-29 by Mark VandeWettering

I like trebuchets. Former Pixarian and RenderMan engineer Dan apparently located some plans for building small trebuchets from the Hila Science Camp: The Hila Trebuchet ...

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Bounced a signal through HO-68

Published on 2009-12-29 by Mark VandeWettering

This morning I got another chance at HO-68, the newest Chinese amateur satellite that was operating in FM mode. I wasn’t sure what the problem ...

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Movie Review: Sherlock Holmes

Published on 2009-12-27 by Mark VandeWettering

I’ve mentioned before that I’m a pretty big fan of Sherlock Holmes. Every couple of years, I dust off my copy of his stories and ...

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A Practical Guide to Sous Vide Cooking

Published on 2009-12-27 by Mark VandeWettering

Okay, I’ll admit it: I like cooking, and I’ve begun to read a bit upon the subject of so-called “molecular gastronomy”. I was also watching ...

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Christmas… and Radio!

Published on 2009-12-25 by Mark VandeWettering

Yep, it’s Christmas again, and I’m such a geek, I can imagine all sorts of things that link it back to radio stuff. If you ...

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Actor Mickey Morton

Published on 2009-12-17 by Mark VandeWettering

Mickey Morton had a brilliant career. Can anyone guess why I might have stumbled across his curriculum vitae today? Hint: I’ve just watched arguably the ...

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Some Document Scanner Links

Published on 2009-12-14 by Mark VandeWettering

I love books, and I love the fact that technology is becoming increasingly easy to get books digitized and distributed online. Several years ago I ...

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KL7R’s HW-8 DSB modification…

Published on 2009-12-13 by Mark VandeWettering

G3XBM pointed out silent key KL7R’s modification of a Heathkit HW-8 to do double sideband voice. It looks pretty straightforward, and would be an interesting ...

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An Active Filter Design

Published on 2009-12-12 by Mark VandeWettering

Eldon, WA0UWH pointed out WA4DSY’s website that features an active filter design applet . I was just waking up this morning, so I thought I ...

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Regarding comment spammers…

Published on 2009-12-10 by Mark VandeWettering

It’s been quite some time since I had a decent rant on this blog, and I didn’t sleep well last night, and I am feeling ...

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Bandpass Filters

Published on 2009-12-09 by Mark VandeWettering

Just some more playing around. I surfed to the following page, looking for bandpass filter designs, such as might be used at the input stage ...

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Photosynth of my office…

Published on 2009-12-09 by Mark VandeWettering

Want to know what it is like to be me? Here is a photosynth of my office at Pixar Animation Studios. It’s my first try, ...

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Tank Circuits…

Published on 2009-12-08 by Mark VandeWettering

Okay, time to work my way through some more complicated (but stll simple) examples. First of all, let’s consider a simple parallel LC circuit. Here ...

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Power Transfer Math

Published on 2009-12-07 by Mark VandeWettering

As I might have mentioned, I am trying to teach myself a bit about electronics and radio design. I find the problem with being self ...

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A Half Wave Filter in LTSpice

Published on 2009-12-07 by Mark VandeWettering

On page 3.4 of Experimental Methods in RF Design, they have a little side bar about a particularly simple form of harmonic filter that I ...

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Gaining experience with LTSpice…

Published on 2009-12-06 by Mark VandeWettering

So, for fun, I entered the circuit for the bidirectional amplifier used in the BitX20, and did some basic simulation. You can see it in ...

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Ham radio without a radio?

Published on 2009-12-06 by Mark VandeWettering

OZ9AEC shows how you can use free software and web-based radio receivers to decode amateur digital communications. Very nifty. I tried this myself using WebSDR, ...

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Simple Temperature Sensing IC

Published on 2009-12-03 by Mark VandeWettering

A couple of projects that I’ve been pondering could make use of a little temperature sensing chip. Microchip makes this little gadget, the MCP9700A, which ...

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Wolves And Rabbits

Published on 2009-12-02 by Mark VandeWettering

I really like programmpraxis.com. Today, they had an interesting little task, not so much for the program itself, but for what it reminded me of. ...

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A night of WSPR spots…

Published on 2009-12-01 by Mark VandeWettering

Got some interesting spots overnight. VK6BMW is located in Perth, Australia, which is pretty close to the maximum distance I’ve heard before. PA0LSK is in ...

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A couple of days of WSPR 2.0

Published on 2009-11-28 by Mark VandeWettering

Left my FT-817 beaconing for the last 48 hours or so, mostly on 40m, and got some interesting DX, including someone I think I never ...

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New Google Voice Number

Published on 2009-11-28 by Mark VandeWettering

Courtesy of Zeid, I finally got an invite to use Google Voice. I’ll write more about this when I figure more about it, but at ...

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FreeBSD 8.0 is released…

Published on 2009-11-26 by Mark VandeWettering

I’ve been a long time fan of FreeBSD, going all the way back to the 1.1.5.1 days (and used regular BSD going back even further). ...

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Back on WSPR today…

Published on 2009-11-26 by Mark VandeWettering

Well, I finally dug up all the cables I needed and hooked up my little HP netbook to my radio again, and got it going ...

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SO-67 Audio…

Published on 2009-11-22 by Mark VandeWettering

John, K8YSE recorded a North American pass of SO-67 (the new South African ham satellite) and posted the audio on his website. It appears the ...

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Orion Nebula

Published on 2009-11-21 by Mark VandeWettering

IMG0012 21st November, 2009 Dan Lyke of flutterby drew my attention to the astrometry pool on Flickr. If you upload an astrophotograph to this group, ...

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Homemade Thin-Film Transistor Experiments

Published on 2009-11-18 by Mark VandeWettering

Another link to some interesting experiments on building your own thin-film transistors. And a Quarter Gets You Coffee » Homemade Thin-Film Transistor Experiments Addendum: Of ...

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Mandelbulb formula…

Published on 2009-11-17 by Mark VandeWettering

Without further explanation, here’s Daniel White’s “Mandelbulb” formula . (x, y, z) n = r n (cos(n θ) cos(n φ), sin(n θ) cos(n φ), -sin(n ...

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30m QRSS Transmitter (clayton.isnotcrazy.com)

Published on 2009-11-13 by Mark VandeWettering

Just flipping around the web tonight, found another interesting MEPT (Manned Experimental Propagation Transmitter) project that uses solar power an a small Atmel AVR processor. ...

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LM3909 Oscillator

Published on 2009-11-11 by Mark VandeWettering

I was wandering the net at random, following various links, and ended up researching a rather interesting integrated circuit that I’ve used before: an LM3909 ...

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Good prices on microscopes…

Published on 2009-11-09 by Mark VandeWettering

Just saving this link after someone reminded me that I could use a decent cheap stereo microscope for some of my electronics assembly work. These ...

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Fujifilm Real 3D W1 Camera

Published on 2009-11-05 by Mark VandeWettering

Today we got an interesting new toy in the lab, a Fujifilm Finepix Real 3D W1 . It’s a very cute little camera which you ...

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K6MM on Helical Wound Vertical

Published on 2009-11-02 by Mark VandeWettering

I’m interested in short vertical antennas, so I keep collecting links to interesting article. K6MM has a nice description of his work with a 25 ...

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Hacking with Style: TrueType VT220 Font

Published on 2009-10-31 by Mark VandeWettering

I’m mostly resistant to nostalgia when it comes to computing. Let’s face it, the iPhone has way more impressive capabilities than the desktop machines I ...

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Movie Review: This Is It (2009)

Published on 2009-10-31 by Mark VandeWettering

Tonight’s movie screening at work was Michael Jackson’s This is It , essentially a concert movie starring the recently deceased King of Pop, Michael Jackson ...

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Link to K7QO’s Lab Notebook

Published on 2009-10-26 by Mark VandeWettering

I missed out on last night’s Echolink QRP confab (Sundays, at 6:00PM Pacific time) but I did notice that Henry had posted a summary of ...

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Zero Threshold MOSFETs…

Published on 2009-10-24 by Mark VandeWettering

I don’t know why this percolated to the top of my consciousness today, but I thought I’d dump a link here so I can find ...

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No DC40B work tonight…

Published on 2009-10-17 by Mark VandeWettering

Too tired, so instead I took the wife out for some Mexican food and a movie, and when I got back I relaxed a bit. ...

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DC40B Construction: Day 3

Published on 2009-10-16 by Mark VandeWettering

Toroids. Today it was winding toroids. I really don’t mind winding ’em, it is stripping and tinning the leads that seems to be annoying. Nevertheless, ...

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DC40B construction: Day 2

Published on 2009-10-15 by Mark VandeWettering

Well, I found a replacement for the one resistor I screwed up, and started work on all the caps. They are all in and double ...

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DC40B construction underway…

Published on 2009-10-14 by Mark VandeWettering

Well, after playing around with my Heathkit HW-8, I was struck by a feeling of productivity and started working on my latest kit, a DC40B ...

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My new toy, a Heathkit HW-8

Published on 2009-10-12 by Mark VandeWettering

Yesterday I managed to be the winning bidder for this little radio at the QRP Pacificon. Mike Schettler, WA6MER was kind enough to put it ...

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Kurt Akeley’s Publications

Published on 2009-10-08 by Mark VandeWettering

The other day I was lucky enough to be invited by Bob Whitehill to share a lunch up at UCB with Marty Banks, Kurt Akeley ...

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LCROSS to impact the moon…

Published on 2009-10-07 by Mark VandeWettering

This Friday the NASA LCROSS probe will deliberately impact in a dark crater on the moon, with the ultimate goal of trying to decide if ...

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BROADCAST YOUR PODCAST

Published on 2009-10-05 by Mark VandeWettering

Well, this isn’t quite amateur radio in the sense of ham radio, but it’s a cute and potentially useful project: a simple fm transmitter that ...

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More on the Softrock Experience…

Published on 2009-10-05 by Mark VandeWettering

I am not really that much closer to figuring out why opposite sideband rejection is so poor, but I downloaded a couple of different SDR ...

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My Softrock 40…

Published on 2009-10-04 by Mark VandeWettering

So, I’ve had my Softrock 40 on the shelf for a while. When I’ve hooked it up, I don’t get very good opposite sideband cancellation. ...

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AlgaeGeek.com

Published on 2009-10-03 by Mark VandeWettering

I have a bizarre fascination with algae. There is a lot of science going on with algae for use in food stuffs, in detoxifying industrial ...

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Small caution on using PyEphem…

Published on 2009-10-01 by Mark VandeWettering

My previous post on using PyEphem to compute satellite locations was based upon my experience with the latest version (3.7.3.4). Apparently this includes a fairly ...

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Recently Launched Cubesat Frequencies

Published on 2009-09-24 by Mark VandeWettering

Andrew, VK4TEC posted this list of frequencies for four recently launched cubesats. Archiving for future reference. I’ve added links to some relevent info for each. ...

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Upcoming launch of SumbandilaSat

Published on 2009-09-15 by Mark VandeWettering

It looks like the launch of the South African amateur satellite is on track! The launch of SumbandilaSat is on track for 15 September 2009. ...

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Project Icarus

Published on 2009-09-14 by Mark VandeWettering

A group of MIT students did a high altitude balloon launch. That’s really not all that unusual: radio amateurs do similar launches several times per ...

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Parrondo’s Paradox

Published on 2009-09-08 by Mark VandeWettering

I was reading Nahin’s Digital Dice , which I bought a while ago but which I didn’t really dive into deeply, and he had a ...

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HAKMEM 175

Published on 2009-09-08 by Mark VandeWettering

HAKMEM is a legendary technical memo from MIT that’s packed full of interesting bits. On this occasion, I ran across item #175, which you can ...

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Dennis Ritchie Home Page

Published on 2009-09-06 by Mark VandeWettering

Using Stumble Upon!, I, well, stumbled upon Dennis Ritchie’s page. He’s famous as the creator of C and an early influential developer of Unix. Back ...

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Nomograms

Published on 2009-09-05 by Mark VandeWettering

For some reason, I found myself looking at a rather pedestrian page about slide rules today, and it once again rekindled my interest in the ...

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Cheap Arduino Wireless Communications

Published on 2009-08-31 by Mark VandeWettering

As part of my slow, arduous march toward doing a high altitude balloon launch, I acquired some super cheap wireless modules from sparkfun.com . Sadly, ...

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A little statistics puzzle…

Published on 2009-08-27 by Mark VandeWettering

I hand you a deck of cards, which you shuffle, and deal me a random 5 card poker hand. I announce that I have an ...

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Another HTML 5 video test…

Published on 2009-08-25 by Mark VandeWettering

This is just a test. If you are running Firefox 3.5, you should get a video window that allows you to watch a Superman cartoon ...

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The telescope turns 400 today…

Published on 2009-08-25 by Mark VandeWettering

On this day in history, 400 years ago Galileo Galilei demonstrated his telescope to a group of Venetian lawmakers. In March of the following year, ...

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A simple, short puzzle

Published on 2009-08-24 by Mark VandeWettering

How many coins do you need to remove so that the centers of all remaining coins form no equilatoral triangles? Here is a simple puzzle ...

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Random bits…

Published on 2009-08-18 by Mark VandeWettering

Well, pseudo-random, but reportedly cryptographically strong. 01110 10011 01100 01000 11101 11001 11010 10011 00000 10011 11111 11001 10101 11100 10011 10110 01010 01100 01000 ...

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HF Reference Material

Published on 2009-08-17 by Mark VandeWettering

From a thread on qrz.com, here’s a nice list of 1000 utility stations which broadcast on HF. Nifty. HF Reference Material ...

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More volume rendering…

Published on 2009-08-16 by Mark VandeWettering

Well, I thought I had the rotation thing figured out, but I still seem to be missing something. But I did muck around a little ...

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WSPR signals heard from E51EME

Published on 2009-08-12 by Mark VandeWettering

I still check my WSPR station logs each morning when I wake up. This morning I spotted the callsign E51EME, coming from grid square BG08. ...

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Compromising Reflections

Published on 2009-08-09 by Mark VandeWettering

I’ve been interested in TEMPEST and related technologies for a while. Here’s another link to another paper: This project investigates a novel eavesdropping technique for ...

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Decoding packet….

Published on 2009-08-04 by Mark VandeWettering

It’s late, so I am not figuring this out, but I seem to be getting quite a bit of ripple in the output of this ...

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KR7A SSTV Demodulator

Published on 2009-08-02 by Mark VandeWettering

Don’t you hate it when you remember seeing a webpage but can’t remember exactly how to get there? This one took me a bunch of ...

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A Personal Satellite Kit?

Published on 2009-08-02 by Mark VandeWettering

Planet Earth has entered the age of the Personal Satellite with the introduction of Interorbital’s TubeSat Personal Satellite (PS) Kit. The new IOS TubeSat PS ...

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Project Mark begins anew…

Published on 2009-07-31 by Mark VandeWettering

Well, I’m suffering from a feeling of deja-vu: recent doctor visits indicate that my weight has crept back up (no surprise) and that my BP ...

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Loren posts Vol Libre on Vimeo

Published on 2009-07-29 by Mark VandeWettering

A few days ago, I posted links to a couple of videos that used fractal rendering techniques . One was the Genesis effect of Star ...

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YouTube Blog: Now in 3D

Published on 2009-07-29 by Mark VandeWettering

Youtube has apparently now got support for 3D Video. Neat! Read about it below, and expect to see a test video of mine over the ...

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On Multiplication…

Published on 2009-07-28 by Mark VandeWettering

As I was “StumbleUpon”-ing tonight, I was reminded of something that I was thinking about a couple of days ago, and though I’d write it ...

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Hydroponics on NASA Website

Published on 2009-07-26 by Mark VandeWettering

NASA is obviously interested in hydroponics research as an enabling technology for long duration space flights. They are also quite good at educational outreach, so ...

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Paper detailing SSTV modes

Published on 2009-07-23 by Mark VandeWettering

I was looking up technical information suitable for implementing some of the SSTV modes (Robot 36, given the recent satellite activity). Here’s a paper by ...

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BibliOdyssey: Extinct Monsters

Published on 2009-07-23 by Mark VandeWettering

BibliOdyssey is a terrific blog which posts incredible images from old books that have entered the public domain. By way of example, check out this ...

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40th Anniversary of Apollo 11 on AO-51

Published on 2009-07-21 by Mark VandeWettering

Tonight the amateur satellite AO-51 made an evening pass that was almost directly overhead, and was sending a congratulatory message for Apollo 11, along with ...

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Why is ham radio dying?

Published on 2009-07-21 by Mark VandeWettering

Lately everyone I talk to seems to think ham radio is dying. I wonder why they think that. Anybody have any guesses? ...

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Forty Years of Lunar Lander

Published on 2009-07-21 by Mark VandeWettering

Here’s a very nice article about the game phenomena that was Lunar Lander: Forty Years of Lunar Lander | Technologizer Addendum: Here’s a screen grab ...

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Batting Stance Guy on Letterman

Published on 2009-07-20 by Mark VandeWettering

Thanks to Bob @ work for mentioning this to me. I think I appreciate this guy not just for his knowledge of batters and their ...

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The Barrel-Ponics Manual

Published on 2009-07-20 by Mark VandeWettering

I’ve been interested in hydroponics for quite some time. It’s part of a growing interest that I have in sustainable and decentralized production of food ...

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Downsample from 48khz to 8khz

Published on 2009-07-15 by Mark VandeWettering

I was tinkering. Wrote some code to low pass and downfilter a 48khz audio signal to only 8khz. Here’s some example output. It filters out ...

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Google Chrome OS? Yes, please!

Published on 2009-07-14 by Mark VandeWettering

Last week, Google announced that they were developing an OS, originally targeted toward netbooks. I think it is a great idea. If there is one ...

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Saturday’s Double Rainbow

Published on 2009-07-13 by Mark VandeWettering

Well, everyone in the area seems to have blogged or facebooked this already, but here’s my view. We were heading out for some last mnute ...

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Scrappy

Published on 2009-07-11 by Mark VandeWettering

One year ago today, we found out that Scrappy, our formerly feral cat had FIV, the feline immunodeficiency virus. The good news is, he’s alive ...

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Build Your own “Bag End”

Published on 2009-07-06 by Mark VandeWettering

A topic which interests me greatly is the idea of sustainable housing, especially durable housing that can be constructed by relatively unskilled labor using readily ...

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Factoring Machines

Published on 2009-07-03 by Mark VandeWettering

I’ve blogged about D. H. Lehmer’s factoring machines before. It’s fairly hard to convince those who aren’t pathologically interested in rather quirky bits of mathematics ...

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A Simple Python Program for Factoring…

Published on 2009-06-29 by Mark VandeWettering

Sometimes, your interests converge. Over on Programming Praxis , he had a coding challenge to implement Monte Carlo factorization. The last couple of days, I ...

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Use a Wii Balance Board with Linux

Published on 2009-06-28 by Mark VandeWettering

An interesting part of the Nintendo Wii design is that they rely on bluetooth for connecting their joysticks and (as it turns out) their Balance ...

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Factoring Large Numbers…

Published on 2009-06-27 by Mark VandeWettering

A few days ago, I mentioned that I was pondering the stages of Simon Singh’s Cipher Challenge that I didn’t complete “back in the day”. ...

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Looking back at Michael Jackson

Published on 2009-06-26 by Mark VandeWettering

Today came the news that Michael Jackson, the legendary King of Pop, died of cardiac arrest at age 50. Yes, I was a fan. Who ...

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Mmm… Cobbler

Published on 2009-06-24 by Mark VandeWettering

I like cooking. Well, eating really. Okay, eating and cooking. But in particular, I like what is generally called comfort food. The silly thing about ...

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Taking my own code challenge…

Published on 2009-06-22 by Mark VandeWettering

Back in 2007, I made a blog post entitled “Code Challenge”, where I put forth a code challenge. Code Challenge | brainwagon . Nobody took ...

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iPhone 3GS: My Early Experience

Published on 2009-06-21 by Mark VandeWettering

Well, my iPhone 3GS arrived on Friday, and I’ve had a couple of days of tinkering with it, so I thought I’d give my impressions ...

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No early iPhone joy in Mudville

Published on 2009-06-17 by Mark VandeWettering

The blogosphere was atwitter with the news that many iPhone 3GSs seemed to have shipped early, and indeed might be delivered early. I checked mine, ...

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10m opening up perchance?

Published on 2009-06-16 by Mark VandeWettering

I haven’t really been monitoring 10m very much, but I’ve been hearing more about activity there, so I tuned up tonight and caught VE7MTY/B coming ...

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NOAA Satellite Frequencies

Published on 2009-06-15 by Mark VandeWettering

I haven’t been goofing around much with receiving APT weather satellite data, but I was going to try to record some passes now that the ...

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The Next 700 Programming Languages

Published on 2009-06-10 by Mark VandeWettering

I learned that computer scientist Peter Landin passed away recently. Landin’s research helped refine the direction of my college studies, and was always a great ...

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Who Can Name the Bigger Number?

Published on 2009-06-10 by Mark VandeWettering

Here’s a nice little math essay regarding big numbers. It ties in interesting notions from computability that are what I think about when I feel ...

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Test of the HTML 5 video tag…

Published on 2009-06-09 by Mark VandeWettering

WARNING: If your browser is “lucky” enough to support the video tag (like certain beta Firefox 3 releases, or Safari) then there should be an ...

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Build Your Own Z80 Computer

Published on 2009-06-07 by Mark VandeWettering

Old timers may remember Byte magazine, and Steve Ciarcia’s column therein. Steve went on to publish Circuit Cellar magazine, an electronics magazine which is more ...

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Arduino Waveshield, sans joy…

Published on 2009-06-02 by Mark VandeWettering

At the Maker Faire this weekend, I picked up a Waveshield kit for the Arduino . It’s a cute little board with an SD card ...

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ATMEGA328 suppliers?

Published on 2009-06-02 by Mark VandeWettering

I suspect that if I could replace my ATMEGA168 with an ATMEGA 368 (as suggested by Robert, thanks!) life might be better for my Arduino ...

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Dusted off my Softrock Lite 2 for 40m

Published on 2009-05-30 by Mark VandeWettering

I haven’t blogged much about my Softrock 40 since I finished its construction. I knew that it basically “worked”, but I was pretty sure that ...

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Geeky Math Joke

Published on 2009-05-30 by Mark VandeWettering

Very, very geeky. Q: What’s an anagram of ‘Banach-Tarski’? A: ‘Banach-Tarski Banach-Tarski’. Don’t get it? This might help. Or, it might not. ...

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Attempt at Lightning Photography

Published on 2009-05-26 by Mark VandeWettering

Some people have been using the CHDK firmware to do motion detection and capture pictures of lightning strikes. Despite the fact that lightning has been ...

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Flaws in Milhouse’s Play

Published on 2009-05-22 by Mark VandeWettering

While debugging some more challenging positions from The Checker Maven , I encountered the following position which seemed to be giving Milhouse fits. White to ...

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Happy Birthday Sir Arthur Conan Doyle!

Published on 2009-05-22 by Mark VandeWettering

Last year, I noticed that Google had changed their search page to a Sherlock Holmes inspired theme in honor of Sir Arthur Conan Doyle’s birthday. ...

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Gould Puzzle #516

Published on 2009-05-21 by Mark VandeWettering

I started working through my analysis of Gould Puzzle #516, which my previous scan using the Cake 8 piece database, and revealed to be a ...

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Using Cake’s Endgame Database…

Published on 2009-05-15 by Mark VandeWettering

I’ve been having a bit of difficulty with the Chinook endgame database, so I thought that since Martin Fierz was kind enough to release his ...

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Using the Chinook WLD database…

Published on 2009-05-13 by Mark VandeWettering

So, for the past couple of days, I’ve been working on fixing the WLD database lookup code in Milhouse, in an attempt to get it ...

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Milhouse misses a win…

Published on 2009-05-11 by Mark VandeWettering

White to move and win... I was playing a sparring match between Milhouse and Cake, and Milhouse arrived at the position on the right as ...

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Listening to WSPR activity

Published on 2009-05-07 by Mark VandeWettering

Over the past few days, I finally got a windows box up and running so I could run the official WSPR executable from WSJT. In ...

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Milhouse wins against Cake!

Published on 2009-05-04 by Mark VandeWettering

Okay, before I get too excited, I’ll disclose that Cake was set to a time limit of around 1 second, which limited it to just ...

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At last, some QRSS news…

Published on 2009-04-28 by Mark VandeWettering

A while go, I posted a link to AA5CK’s website and his use of the iduino as a QRSS keyer. He used a little oscillator/buffer ...

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Milhouse needs an opening book…

Published on 2009-04-28 by Mark VandeWettering

I decided to play a game against Chinook set on its intermediate level. It was lost before it even began. Fortman’s Basic Checkers lists 3. ...

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PBH-10 to launch soon..

Published on 2009-04-28 by Mark VandeWettering

Project Blue Horizons is a group which is attempting an unmanned Trans-Atlantic balloon flight from the United States to Europe. They are estimating a launch ...

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Goofing around with Unicode…

Published on 2009-04-27 by Mark VandeWettering

I’m kind of old school. I tend to write a lot of programs with character, line oriented interfaces. Part of it is sort of an ...

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Sparring Milhouse versus Chinook

Published on 2009-04-27 by Mark VandeWettering

Well, I’ve mucked around a bit, and begun to add PDN (Portable Draughts Notation) logging to Milhouse. Here is a sparring match between the novice ...

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Some advances on Milhouse…

Published on 2009-04-22 by Mark VandeWettering

I finally got around to totally ripping out the old implementation of transposition tables, and installing a new one based upon hints I read about ...

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Milhouse still hides some mysteries…

Published on 2009-04-22 by Mark VandeWettering

So, I was doing some more testing this morning, and noticed an anomaly in my checkers program, Milhouse. Consider the following position: LOADED puzzle 177: ...

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Car bomb! Twice!

Published on 2009-04-21 by Mark VandeWettering

There, did I get your attention? So yesterday was a really warm day, the first of the new year really. According to weather.com, temperatures in ...

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Weather Sensor Boards

Published on 2009-04-21 by Mark VandeWettering

Here are some interesting kits, all designed to use the 1 Wire sensor bus. In theory, the Open Tracker can use these directly. Perhaps the ...

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Alpha-Beta Search is Hard To Debug

Published on 2009-04-21 by Mark VandeWettering

So, I’ve spent a few hours over the last couple weeks to try to debug milhouse, my computer checkers program that I tinkered together over ...

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TinyGPS Library for Arduino

Published on 2009-04-21 by Mark VandeWettering

Yep, I’m still working on my balloon project, and part of it is still scoping out the flight hardware. I found this library for interfacing ...

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Bob Hyatt’s Online Publications

Published on 2009-04-18 by Mark VandeWettering

I’ve been poking half-heartedly at Milhouse, my checkers program this morning. I found that a particular puzzle (puzzle 34) that I got from a puzzle ...

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High Voltage Fun

Published on 2009-04-10 by Mark VandeWettering

And I thought I was nerdy for having the Dr. Who theme be my ringtone… httpv://www.youtube.com/watch?v=0KRja415Iwk ...

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MV sent across to VK6DI

Published on 2009-04-10 by Mark VandeWettering

I’m getting good propagation this evening out to VK land. David, VK6DI runs a grabber, and I started noting that my WSPR beaconw as getting ...

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AA5CK on his iDuino MEPT beacon

Published on 2009-04-09 by Mark VandeWettering

Check out his nice pictures and description of his beacon and keyer: iDuino Addendum: His oscillator/buffer board is a very cheap kit produced by www.vakits.com ...

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Pile Driving Begins at Pixar

Published on 2009-04-09 by Mark VandeWettering

MVI_7296 Originally uploaded by oaklandEarthGirl This is just an interesting little aside. Over the past couple of days, construction of the new building here at ...

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WSPR-ing on 40m 17m now…

Published on 2009-04-08 by Mark VandeWettering

Today is a special event day, where those of a WSPR bent move from their 30m haunts to other bands. I’ve shifted operation over to ...

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Some WSPR updates…

Published on 2009-04-07 by Mark VandeWettering

First of all, starting within the next eight hours or so, my WSPR operations will shift over to 40m for a Wednesday “Special Activity Day” ...

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IK1ZYW Labs: MP3 WSPR

Published on 2009-04-06 by Mark VandeWettering

Sometimes it’s amazing how people on opposite sides of the world get to working on the same thing. Paolo has been workin on using a ...

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Does WSPR need a successor?

Published on 2009-04-06 by Mark VandeWettering

Bill, IO/N2CQR over at Solder Smoke blog commented on one of the problems that I had with my WSPR beacon: that it had become “desynchronized” ...

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Beacon Gremlins

Published on 2009-04-05 by Mark VandeWettering

I was having some difficulty spotting my beacon: both on WA0UWH’s grabber, and via WSPR spots. I figured that maybe my jury rigged antenna had ...

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Open Tracker+ ordered…

Published on 2009-04-04 by Mark VandeWettering

I have been trying to start a project to do a high altitude radio balloon launch. Toward that end, I ordered myself a Open Tracker ...

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3000th Post! And Gratzel Cells…

Published on 2009-04-02 by Mark VandeWettering

Wow…. this is the 3000th post that I’ve made to my blog since it’s inception. Huzzah. I really need to get a hobby. In any ...

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Updated WSPR Map

Published on 2009-03-30 by Mark VandeWettering

I’ve gotten a couple of additional sporadic spots from DX locations, so I thought I’d update my WSPR map again. This shows my reception from ...

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Computing the Square Root of Two

Published on 2009-03-28 by Mark VandeWettering

I was dusting off some of my old code for computing pi to many decimal places, and was reminded that I’d never written similar code ...

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NavSpaSur Lunar Imaging by DF6NM

Published on 2009-03-25 by Mark VandeWettering

While recovering from my brief outpatient procedure yesterday, I was surfing around, looking for the ChirpHell and ChirpPix programs that some people mentioned in the ...

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Nifty kits from K5BCQ

Published on 2009-03-25 by Mark VandeWettering

In the comments to one of my postings about the K1EL, Tom, K9AC mentioned that I might want to look at K5BCQ’s list of kits ...

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Ouch.

Published on 2009-03-25 by Mark VandeWettering

For all my close friends who I’ve chatted with about today’s adventure: I’m home, and doing fine. But seriously, ouch. ...

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aamath

Published on 2009-03-24 by Mark VandeWettering

Suppose you wanted to format a nifty math equation for insertion into plain old ordinary email, or maybe as a comment in your C program. ...

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Feature Column from the AMS

Published on 2009-03-24 by Mark VandeWettering

I’ve been using StumbleUpon to find new webpages on a variety of subjects when I am bored, and as you might have seen from other ...

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More WSPR/MEPT developments…

Published on 2009-03-22 by Mark VandeWettering

This morning I was scanning my WSPR logs and my MEPT screenshots for the night. It seemed to be pretty good. I had quite a ...

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X Prize? How about the N-Prize?

Published on 2009-03-19 by Mark VandeWettering

The Official Site for the N-Prize The N-Prize offers two cash Prizes, each of £9,999.99 (nine thousand, nine hundred and ninety-nine pounds and ninety-nine pence, ...

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Even bigger primes…

Published on 2009-03-16 by Mark VandeWettering

Last year, I wrote a post about a program I wrote to compute a really large prime number. . At the time, 2 32482657 -1 ...

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Multipath on 30m MEPT?

Published on 2009-03-15 by Mark VandeWettering

This QRSS signal was looking a little fuzzy, and then basically split into two different signals. I hadn’t seen it before. ...

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VA3STL’s QRP beacon

Published on 2009-03-13 by Mark VandeWettering

Alan, VA3STL posted a nice list of captures of his QRP beacon on his blog , including a link to a spot of him that ...

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Grabber down for a couple of days

Published on 2009-03-13 by Mark VandeWettering

Sadly, last night I was working late, and was tired, and managed to delete a chunk of my grabber recording source code. The bad news ...

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SDR Software for the Mac

Published on 2009-03-09 by Mark VandeWettering

Part of the difficulty that I had testing my Softrok was the apparent lack of SDR software for my MacBook. Both WY7USA and NM5DV came ...

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KK7CC Grabber

Published on 2009-03-08 by Mark VandeWettering

KK7CC has a new grabber online in Las Vegas. I seem to be getting in there pretty well. ...

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Math identities…

Published on 2009-03-06 by Mark VandeWettering

Hmmm. While searching for some unrelated program, I uncovered a program that I wrote which found the following identities: 1 3 + 12 3 = ...

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Nice morning QRSS gallery…

Published on 2009-03-06 by Mark VandeWettering

This morning, I have a particularly nice array of signals streaming across. First NM5DV at the top. He put a T-attenuator onto his Softrock transmitter, ...

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250mw can work!

Published on 2009-03-05 by Mark VandeWettering

Amazing. 173 reports today, running just 250mw. And not just really close contacts: I even got one spot two spots from VK6DI. Imagine what I ...

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Dropping MEPT/WSPR power by 10db

Published on 2009-03-04 by Mark VandeWettering

While I won’t get quite as many spots with 10db less power, I think it’s more sporting. I’ve been seeing quite a bit of IMD ...

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VK2ZAY, both here and abroad…

Published on 2009-03-04 by Mark VandeWettering

Not only am I currently recieving VK2ZAY’s signal rather well: But he’s concurrently getting into ON5EX’s grabber in Belgium: It’s about 7,400 miles from me ...

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Cycle America

Published on 2009-03-03 by Mark VandeWettering

A friend of mine from the Chabot Space and Science Center, Don Saito, was recently laid off from his IT job in Berkeley, and decided ...

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QRSS over morning coffee…

Published on 2009-03-03 by Mark VandeWettering

This morning I see that Dan, NM5DV has worked out his issues with this Softrock, and is now putting out a nice signal up above ...

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DX Hellschrieber, from VK2ZAY

Published on 2009-03-02 by Mark VandeWettering

Alan, VK2ZAY apparently has changed his beacon to send MT Hellschrieber, in addition to his FSK CW. If you look carefully, you can see VK2ZAY ...

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The Internet can be an odd place…

Published on 2009-03-02 by Mark VandeWettering

This is just a strange little story. I’ve wanted to add some time markers to the spectrum display on my grabber at http://qrss.info , but ...

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Sigh… Softrock not working…

Published on 2009-03-02 by Mark VandeWettering

I think I’ll need to borrow an oscilloscope and see what’s going on. Frankly, I think I just made too many mistakes during assembly. Since ...

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Morning QRSS discoveries…

Published on 2009-03-01 by Mark VandeWettering

After more or less a full day where I made almost ever mistake possible (exaggerating) on gettin my Softrock Lite built (which it is, except ...

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Double Double U

Published on 2009-02-28 by Mark VandeWettering

Caught W1BW’s flying W twice in a row. You can see WA5DJJ across the top (the new crystal oven seems to work pretty well) and ...

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Softrock Lite II arrive!

Published on 2009-02-27 by Mark VandeWettering

On Saturday, I sent a check off to Tony Parks, KB9YUG on Saturday along with my order for two Softrock Lite II receiver kits: one ...

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Your Daily QRSS report

Published on 2009-02-26 by Mark VandeWettering

Well, overnight, I didn’t get a whole lots of activity. I saw a single brief opening arout 2:15AM local time (10:00 UTC) where I got ...

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Ouch!

Published on 2009-02-24 by Mark VandeWettering

Without further comment: To their credit (whoever it was) it did not repeat. 🙂 ...

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S/MT Hellschreiber to VK6DI?

Published on 2009-02-24 by Mark VandeWettering

Okay, this one requires a bit of imagination, but it looks like my sequential, multi-tone Hellscrieber ID is at least weakly making it to VK6DI. ...

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New mode received by AA5CK

Published on 2009-02-24 by Mark VandeWettering

I had been experimenting with using S/MT Hellschreiber as a beacon format. It worked, and I got a few reception reports, but it’s copyability seemed ...

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Blog

Published on 2009-02-22 by Mark VandeWettering

Earlier, I blogged about the collision between Iridium 33 and the defunct COSMOS 2251 satellite. Today, I noticed that Celestrak had orbital elements for 134 ...

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Some overnight spots…

Published on 2009-02-22 by Mark VandeWettering

Okay, this is getting kind of repetitive, so I’ll try to reduce this to its bare minimum. Got quie a few WSPR spots from VK6DI ...

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Unusual WSPR spot

Published on 2009-02-22 by Mark VandeWettering

This morning I was surprised by two WSPR spots from a callsign reported as BY3AKL1X, located in grid OM89ua. If you look it up on ...

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More spots from my own grabber…

Published on 2009-02-22 by Mark VandeWettering

Earlier this afternoon, I was getting not only the usual suspects, but also VE1VDM and W1BW. Glad to see the flying W back again… It ...

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WSPR update…

Published on 2009-02-22 by Mark VandeWettering

I hadn’t checked the totals in a while, so I thought I’d give it a try. I’ve now had WSPR spots from 37 out of ...

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Grabber update…

Published on 2009-02-22 by Mark VandeWettering

Earlier, I noted that W8LIW was getting signals simultaneously from both Europe and Australia, so I was hoping that as the earth spun around, I ...

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Today’s NOAA-19 pass….

Published on 2009-02-21 by Mark VandeWettering

Nice pass today over the middle of the U.S. Got it recorded and transferred, and my wife even took some pictures and a short video ...

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Spotting from NUT….

Published on 2009-02-21 by Mark VandeWettering

That’s Northern Utah. Mark, KU7Z noted lots of activity stateside, and here’s his screengrab: I’m getting into Seattle pretty well all day too. Some odd ...

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Johan reports Ohio Rocket Launch

Published on 2009-02-20 by Mark VandeWettering

Johan, ON5EX, reported that he had detected a rocket launch on the Ohio grabber. He gave the following screenshot: Scanning back through my own records, ...

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Collision!

Published on 2009-02-20 by Mark VandeWettering

It appears that WA5DJJ and I have chosen the same frequency space to operate in. Here’s the view from WA0UWH’s grabber: This is the problem ...

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Homebrew Software for QRSS

Published on 2009-02-19 by Mark VandeWettering

Last night, I got home, made my wife some pork tenderloin with maple glaze, and then about 9:30 settled in with my laptop and started ...

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WA5DJJ Beacon Transmitter

Published on 2009-02-19 by Mark VandeWettering

Bill Meara over at Soldersmoke pointed me over to the webpage detailing the QRSS transmitter of David, WA5DJJ this morning. Check it out, it’s very ...

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Overnight MEPT grabs…

Published on 2009-02-18 by Mark VandeWettering

I saw a bunch of spots of my WSPR beacon around 2:00AM local time, but I didn’t see a hint of his beacon anywhere. I ...

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Monday activities…

Published on 2009-02-17 by Mark VandeWettering

I took Monday off, and mostly sat around the house with my wife. Still, I managed to get a couple of ham radio related activities ...

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Equipment used at M0AYF for QRSS

Published on 2009-02-16 by Mark VandeWettering

M0AYF has a great bunch of information about QRSS operation. It’s really good stuff: filters, antennas, frequency standards, receivers, you name it! Very, very cool. ...

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K6HX — CM87 spotted in the wild!

Published on 2009-02-16 by Mark VandeWettering

David, WA5DJJ sent me the following screengrab. He collects the prize as the first (and clearest thusfar) report of my new SMT beacon. With some ...

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11 Hours of 30m Beacon Band…

Published on 2009-02-15 by Mark VandeWettering

Well, last night, I tweaked my recording program to produce recordings in 15 minute chunks and started it running. This morning, I had a bunch ...

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NM5DV beacon on 30m…

Published on 2009-02-14 by Mark VandeWettering

Dan, NM5DV is now operating a 1w CW beacon on 30m from grid square DM75. His blog is here, and he’s doing a great job ...

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IRIDIUM 33 + COSMOS 2251 = BOOM

Published on 2009-02-12 by Mark VandeWettering

It was reported that an Iridium satellite and an “non-functional Russian satellite” collided yesterday. I was curious, so I did a bit of digging, and ...

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Using a PDP

Published on 2009-02-11 by Mark VandeWettering

I’ve been interested in old computers for quite some time, so I was pleased to run across this link: Using a PDP . ...

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flatplanet maps

Published on 2009-02-10 by Mark VandeWettering

I wanted some graphics of the entire earth for a little programming project. I found them here: flatplanet maps Addendum: NASA’s Blue Marble: Next Generation ...

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WSPR spots by state…

Published on 2009-02-09 by Mark VandeWettering

I’m up to spots from 33 states. AK <td> KL7OA </td> </tr> <tr> <td> AL </td> <td> KU4PY, N4AU, W3PM, WA4KBD </td> </tr> <tr> <td> ...

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VK6DI spots my MEPT beacon…

Published on 2009-02-09 by Mark VandeWettering

I just got mail from David, VK6DI. He’s reported spots of my WSPR beacon a few times in the last few days, and I’ve been ...

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Happy Pixarday to Me!

Published on 2009-02-07 by Mark VandeWettering

On February 7, 1991, I became an employee of Pixar Animation Studios. Tomorrow will mark my eighteenth anniversary. It’s practically unheard of to spend eighteen ...

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MEPT beacon

Published on 2009-02-06 by Mark VandeWettering

VK6DI reported that he was picking up W1BW’s 100mw beacon signal (a distance of over 11,000 miles) today, so propagation was obviously pretty good. Here’s ...

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Worked All States via WSPR?

Published on 2009-02-05 by Mark VandeWettering

Just for fun, I decided to try to see how many states had reported hearing my WSPR beacon. Turns out the answer is 32. All ...

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A Mathematical Theory of Communication

Published on 2009-02-04 by Mark VandeWettering

Claude Shannon’s Mathematical Theory of Communication is probably one of the most influential papers of the 20th century. It spawned the entire field of information ...

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Superbowl ads / Chuck in 3D

Published on 2009-02-04 by Mark VandeWettering

I imagine that millions of Americans were watching the Superbowl this weekend, and saw the trailer for Dreamworks Monsters vs. Aliens that was broadcast in ...

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AA5CK via QRSS

Published on 2009-02-01 by Mark VandeWettering

Yesterday, I recorded a couple of hours of signals off of 30m, and ran them through my homegrown spectrogram code for fun. I found the ...

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Overnight WSPR spots on 40m

Published on 2009-01-31 by Mark VandeWettering

I got home fairly late last night, and wasn’t up to any serious radio activities, but I did activate my WSPR beacon on 40m, and ...

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A Stereo Picture

Published on 2009-01-30 by Mark VandeWettering

Here’s the gang I work with at Pixar Animation. This was taken with the incredibly low budget technique of snapping a picture, moving the camera, ...

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On the politics of clubs..

Published on 2009-01-29 by Mark VandeWettering

Steve has an interesting post entitled “Golden Rule and Imagined Worlds” on his blog. It’s an interesting post, suggesting that transparency and equality are the ...

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New Japanese Satellite — PRISM

Published on 2009-01-24 by Mark VandeWettering

Got a quick recording of the PRISM satellite, launched on the 23rd, as it came over my location. It was booming in, very fast Doppler. ...

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QRP Transmitter Design

Published on 2009-01-23 by Mark VandeWettering

Here’s a nifty PDF on QRP transmitter design . It looks like it might have been cribbed from one of Doug Demaw’s books (which you ...

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Six Oscar Nominations for Wall-E!

Published on 2009-01-22 by Mark VandeWettering

This morning I awoke to find that Pixar’s Wall-E had been nominated for an incredible six Academy Awards! Best Animated Feature Film of the Year ...

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All About Circuits on Feedback

Published on 2009-01-22 by Mark VandeWettering

I was digging around information on common emitter amplifier design, and encountered this link which seemed quite helpful. Digging around the All About Circuits webpage, ...

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A Universal VXO by George Dobbs G3RJV

Published on 2009-01-20 by Mark VandeWettering

Well, you can’t do better than an article by the legendary George Dobbs, G3RJV. The circuit that he has closely resembles the oscillator that I ...

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To Oscillate, or not to Oscillate…

Published on 2009-01-19 by Mark VandeWettering

Or more precisely, is it oscillating, or is it not oscillating? This is my first attempt at actually trying to build a circuit using Manhattan ...

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Bestiary of Digital Modes

Published on 2009-01-18 by Mark VandeWettering

I was looking at the website for fldigi, and noticed that they added a guide which has waterfalls, spectrum, and sounds for each of their ...

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Mystery of Sodium Acetate

Published on 2009-01-17 by Mark VandeWettering

You can find some occasionally surprising stuff on youtube. I’d seen a number of videos illustrating rapid crystallization of supersaturated mixtures of sodium acetate, but ...

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Arduino Realtime Audio Processing

Published on 2009-01-16 by Mark VandeWettering

The Arduino is a cheap little microcontroller, but you can use it to do some interesting audio effects. Check out the following Lab3 – Labor ...

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Homebrew QRP rigs

Published on 2009-01-16 by Mark VandeWettering

OH6DC has a great webpage detailing some interesting homebrew QRP rigs which should serve as interesting inspiration for the homebrewer. ...

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Worked an evening ISS pass…

Published on 2009-01-14 by Mark VandeWettering

Here’s the recording. Heard many old familiar calls (VA7VW, N6RSX, W6YX). Hung in there okay until the satellite crossed over the continental U.S., then it ...

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N5ESE’s Ballpoint RF Probe

Published on 2009-01-14 by Mark VandeWettering

A nice little project on packaging the kind of RF probe circuit that I’ve been playing with into the body of an ordinary ballpoint pen. ...

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The Tale of Two Meters

Published on 2009-01-13 by Mark VandeWettering

Well, I’ve been mucking around with my RF probe circuitry a bit tonight, and encountered something pretty strange. I have two digital multimeters lying around, ...

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More Meter Madness

Published on 2009-01-13 by Mark VandeWettering

Okay, after having read WB8ICN’s postings on QRPedia, I decided to try to measure the impedence of both of my meters. I dug a 1.5M ...

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Steve Weber on SMT Soldering

Published on 2009-01-13 by Mark VandeWettering

Steve Weber has a nice Youtube video on surface mount soldering: httpv://www.youtube.com/watch?v=Ah5HEjDTHUo ...

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Atlanticon Kit – It’s a Snap!

Published on 2009-01-12 by Mark VandeWettering

More digging around for information about the RF probe, I found this link to the NJQRP’s presentation at Atlanticon 2000. It’s a cute little QRPP ...

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Wall-E gets a Golden Globe

Published on 2009-01-12 by Mark VandeWettering

I don’t spend much time talking about my day job here on the blog, but every once in a while, I have to take time ...

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Diodes for RF Probes

Published on 2009-01-12 by Mark VandeWettering

My dummy load experiment still has a few unanswered questions, but I found that the ARRL Handbook has had a circuit which is basically what ...

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Aircraft reflection? Or something else?

Published on 2009-01-12 by Mark VandeWettering

This duplicates a posting I made on the wsprnet.org website. Aircraft reflection? Or something else? | WSPRnet On Saturday, Jan 10th, I had my transmit-only ...

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Dummy Load/Watt Meter Experiment

Published on 2009-01-09 by Mark VandeWettering

Okay, this is pretty basic stuff really, but it’s part of my trip toward additional homebrewing, and it might be of some vague interest, so ...

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Zinc based audio oscillators

Published on 2009-01-08 by Mark VandeWettering

Courtesy of the Make blog, check out Nyle Steiner’s Electronic Composition, using a variety of audio circuits which use bits of heated zinc instead of ...

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MEPT beacon visible in Ohio

Published on 2009-01-06 by Mark VandeWettering

W8LIW’s grabber on 30m is currently showing my “MV” beacon transmissions as well as the DFCW of VE1VDM (I presume) and the flying W of ...

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Back to work…

Published on 2009-01-05 by Mark VandeWettering

Well, after a little over two weeks of vacation (which seemed a lot longer to me) it’s finally time to take a shower, put on ...

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4bitsynth

Published on 2009-01-05 by Mark VandeWettering

Another place holder post so I can find this later: a simple synthesizer that does MIDI, based upon an Atmel AVR microcontroller. Very retro. 4bitsynth ...

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First real QSO of the year…

Published on 2009-01-03 by Mark VandeWettering

With VE3IAC, lost the first part because fldigi crashed on me, but then got this: Sorry, had a software glitch there. Odd. Anywwhoo… BTU de ...

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Scrappy

Published on 2009-01-03 by Mark VandeWettering

My little feline buddy Scrappy was a feral cat that we’ve adopted. A while ago, we found out he tested positive for FIV, so we ...

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Homebrew Satellite Antenna

Published on 2009-01-02 by Mark VandeWettering

While I am on the antenna kick, Howard, G6LVB mentioned his page on putting two cheap yagis on the same boom. Very, very nice. 10db ...

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K6HX beaconing on 30m with WSPR/MEPT

Published on 2009-01-01 by Mark VandeWettering

Okay, I hadn’t been doing any WSPR beacon operations since before Thanksgiving (which was also before my new callsign) and I was kind of bored ...

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Happy New Year!

Published on 2009-01-01 by Mark VandeWettering

Well, 2008 had its moments, but I’m glad to kiss it goodbye. 2009, bring it on! Tonight Carmen and I decided to stay in and ...

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Randy Pausch’s Last Lecture

Published on 2008-12-30 by Mark VandeWettering

Thanks to KE9V for pointing me at this lecture by Randy Pausch: httpvh://www.youtube.com/watch?v=ji5_MqicxSo I don’t know what rock I’ve been living under, but it’s a ...

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Cooking at Kitchen on Fire

Published on 2008-12-30 by Mark VandeWettering

Carmen and I have reached the point in our lives where buying stuff for each other at Christmas is kind of superfluous. Stuff we need, ...

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Dog Eating Burrito

Published on 2008-12-30 by Mark VandeWettering

Okay, I mostly don’t post pet videos on this blog, but sometimes, you just have to make an exception, like when someone decides to give ...

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Lots of Morse, via SDR

Published on 2008-12-26 by Mark VandeWettering

While browsing around at the airport before Christmas, I ran across this page by PE0FKO about his program IQRec.exe, which is used to record the ...

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The Schupmann Telescope Patent

Published on 2008-12-26 by Mark VandeWettering

It’s been quite some time since I’ve bought a book about telescope making: I just have been more absorbed in the world of amateur radio ...

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OpenStreetMap

Published on 2008-12-26 by Mark VandeWettering

I’m interested in mapping and in open source, so it’s interesting to see projects which combine both. Such is OpenStreetMap , a project which not ...

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Merry Christmas All…

Published on 2008-12-25 by Mark VandeWettering

Best wishes to all on this Christmas holiday. After a bunch of waiting around in the Portland Airport, I’m back with the wife. We just ...

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Mr. Plow, take me away!

Published on 2008-12-22 by Mark VandeWettering

Mr. Plow, that’s my name! My name again, is Mr. Plow! Will I get home before Christmas? Taking all bets… ...

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Career advice from XKCD

Published on 2008-12-21 by Mark VandeWettering

While it’s not entirely true, it’s more true than it should be. (Thanks to Dan for bringing it to my attention.) ...

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Snowed in while visiting….

Published on 2008-12-21 by Mark VandeWettering

Well, this morning we have eight or ten inches of snow on the ground at my Mom’s house, covered in a layer of ice from ...

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On the three year anniversary of…

Published on 2008-12-19 by Mark VandeWettering

Well, it’s the three year anniversary of my last trip into Portland during a freezing rain storm. You can read about my previous trip here ...

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Re-animating the PDP-11/70

Published on 2008-12-16 by Mark VandeWettering

A few years ago, Tom Duff and I each wrote an emulator for the PDP-1 so we could play the original version of Space Wars! ...

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Short Movie Review: Twilight

Published on 2008-12-13 by Mark VandeWettering

Okay, it was Carmen’s turn to pick. I wanted to go see The Day The Earth Stood Still , but I usually pick movies, and ...

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Congratulations to Adam and Becca

Published on 2008-12-11 by Mark VandeWettering

On December 8, 2008, my son Adam Rogers took Rebecca Hand to be his wife. After all the excitement, I’m just now getting around to ...

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Barest of Bare Bones Arduino

Published on 2008-12-09 by Mark VandeWettering

Here’s a way to turn an ATMEGA168 into an Arduino compatible controller with a minimum of external components. arduino-standalone « Conversations with spaces ...

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Low NOAA 17 Pass

Published on 2008-12-07 by Mark VandeWettering

I woke up this morning, and wanted to relax a bit before the day’s exciting activities (more on this later), so I noted that NOAA17 ...

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K1EL mounted in a case…

Published on 2008-12-06 by Mark VandeWettering

Well, this morning I decided I wanted to get the K1EL keyer that I put together mounted in a proper aluminum case. The sad thing ...

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Santa Mark and Elf Scrappy

Published on 2008-12-03 by Mark VandeWettering

Carmen got a cute little elf hat for Scrappy. He didn’t scratch or fuss too much, but neither was he especially happy. We decided to ...

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On Serving Web Pages…

Published on 2008-12-03 by Mark VandeWettering

I must admit, I’ve been running WordPress for quite some time, and for the most part, I’m pretty happy with it as weblogs go. But ...

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The Cinnamon Bear (revisited)

Published on 2008-12-02 by Mark VandeWettering

I’ve posted links to the old time radio serial The Cinnamon Bear as part of my holiday preparations in years past . I updated this ...

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Google Code University

Published on 2008-12-02 by Mark VandeWettering

One of the greatest things about computing technology is simply how much information is available to anyone who is interested. Technical reports, papers, and most ...

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Another Mandelbrot Zoom

Published on 2008-12-01 by Mark VandeWettering

Testing the Smart Youtube plugin for wordpress: httpvh://www.youtube.com/watch?v=AdtOAOe1-qU ...

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The Challenge of Amateur Radio

Published on 2008-12-01 by Mark VandeWettering

Jeff KE9V, over at KE9V.net is once again falling victim to pessimism about amateur radio. I can’t help but shake my head at the effort ...

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Keyboard Acoustic Emanations Revisited

Published on 2008-11-29 by Mark VandeWettering

While my blog has been dominated by radio related stuff lately, I do continue to be interested in lots of different subjects, including various topics ...

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Movie Review: Bolt, in 3D

Published on 2008-11-29 by Mark VandeWettering

Tonight I took my wife, son and future daughter-in-law out to see Bolt , Disney’s newest animated feature. For extra bonus points, we went to ...

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ATMega Controller

Published on 2008-11-28 by Mark VandeWettering

I’ve been playing around a little bit with the Arduino microcontroller board that I bought a while ago. It’s a nice little board, but there ...

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Changing my theme…

Published on 2008-11-27 by Mark VandeWettering

My WordPress “theme” seems to need a little maintenence. Don’t be alarmed if the look of my website changes a bit over the next couple ...

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Happy Thanksgiving!

Published on 2008-11-27 by Mark VandeWettering

In my house, we celebrated the holiday yesterday, to give my son a chance to go and have Thanksgiving dinner with his in-laws. So I ...

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NOAA 17 this morning…

Published on 2008-11-25 by Mark VandeWettering

My blog indicates that I was decoding my first NOAA weather sat images about a year ago. I have made some progress on improving the ...

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New Morse Paddles

Published on 2008-11-22 by Mark VandeWettering

Today I had a few minutes to finally put together this pair of small Morse paddles that I got from American Morse . They have ...

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Simple Mandelbrot Movie

Published on 2008-11-21 by Mark VandeWettering

I was bored. I had five minutes. I wrote some C code. A few minutes later, I had this movie. YouTube – Simple Mandelbrot Movie ...

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Holy Crap.

Published on 2008-11-20 by Mark VandeWettering

I’m really, really tired of watching the economy implode. ...

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Grid Beam Building System

Published on 2008-11-20 by Mark VandeWettering

I ran across a reference to “grid beam construction”. I didn’t know what it was. Now I do, and it’s kind of neat. Like a ...

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Near Space

Published on 2008-11-13 by Mark VandeWettering

Last week, I had a discussion with Ryan Clarke regarding high altitude balloon experiments. He said he was preparing a Wiki, so I took some ...

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My tussle on amsat-bb

Published on 2008-11-12 by Mark VandeWettering

Today’s example comes from the amsat-bb mailing list. I am a member of AMSAT and a subscriber to the amsat-bb mailing list because it’s an ...

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In my copious spare time…

Published on 2008-11-08 by Mark VandeWettering

While awaiting a talk in an undisclosed location, by an undisclosed individual on an undisclosed subject, I found myself with time to finally work on ...

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President Elect Barack Obama

Published on 2008-11-05 by Mark VandeWettering

Enjoy the victory tonight. Soon, the really tough work begins. Addendum: For all the crowing that was done last night about how miraculous it was ...

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CQSS This Weekend…

Published on 2008-11-02 by Mark VandeWettering

I’m still working on “the code”, but this weekend is the CQ Sweep Stakes, and all the bands are alive with Morse code contacts. I ...

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Google Earth for iPhone

Published on 2008-10-28 by Mark VandeWettering

There is a new Google Earth app out for the iPhone. It’s pretty cool. Grab it from the Apple App store. Nuff said. Addendum: Okay, ...

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E51JD from the Cook Islands

Published on 2008-10-26 by Mark VandeWettering

The 15 meter band continues to be pretty strong today. I was getting mostly South America, but tuning around, I heard E51JD calling from Cook ...

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DF0HQ from Germany

Published on 2008-10-26 by Mark VandeWettering

I don’t get much from Europe with my low antenna, but DF0HQ on 40m was booming in pretty well! ...

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CQ World Wide DX Contest

Published on 2008-10-25 by Mark VandeWettering

Well, this weekend is the CQ World Wide DX Contest , one of the larger contest weekends. I tuned up to 15m, around 21.259, and ...

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Cheap Yagi

Published on 2008-10-25 by Mark VandeWettering

I’ve been meaning to do this for a while: toss together a cheap Yagi antenna suitable for listening to AO-51 on 70cm. If you just ...

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Sticky Tape X-rays

Published on 2008-10-24 by Mark VandeWettering

This is the craziest bit of science that I’ve seen in quite a while. Sticky Tape X-rays ...

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Prime Number Fun

Published on 2008-10-23 by Mark VandeWettering

As some of you may have noticed, I occasionally like to write small programs to compute odd little mathematical curiousities. Something I hadn’t done in ...

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Ordered a K1EL Keyer…

Published on 2008-10-21 by Mark VandeWettering

My Ramsey 40m QRP rig needs a keyer, so I ordered this nifty one from K1EL . I should be able to install it in ...

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I’m now KF6KYI/AE

Published on 2008-10-19 by Mark VandeWettering

Just got back from Pacificon. Had a nice time, and managed to pass the upgrade exam. I’m now an Extra class ham. Bow down and ...

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I hate…

Published on 2008-10-17 by Mark VandeWettering

… languages which don’t implement tail recursion properly. You have no excuse. Seriously. I’m looking at you, Python. ...

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Simple Electronic Keyer

Published on 2008-10-15 by Mark VandeWettering

Having completed my little 40m QRP transmitter (pictures to come sometime soon), I was scouting around trying to find the most appropriate keying options. While ...

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First SSTV image from ISS

Published on 2008-10-15 by Mark VandeWettering

It’s not too exciting, but it’s a start. During a 30 degree pass, I managed to get MacRobot SSTV to decode this partial image. It’s ...

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Slow Scan Television via AO-51

Published on 2008-10-13 by Mark VandeWettering

For the next week or so, Richard Garriot will be aboard the ISS. Richard’s dad was the first astronaut to use ham radio to talk ...

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Latest WSPR reception map…

Published on 2008-10-05 by Mark VandeWettering

This week I picked up a spot from 9V1LF in Singapore, as well as a few other more mundane state side locations. I’ve had reception ...

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WB5FKC on 40m

Published on 2008-10-04 by Mark VandeWettering

30m was crapping out after about 2:00AM UTC, and I had heard that Christian, WB5FKC was going to be sending QRSS Morse on 40m, just ...

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SpaceX launch reaches orbit…

Published on 2008-09-29 by Mark VandeWettering

I didn’t get a chance to watch the online webcast, but the SpaceX launch of flight 4 of their Falcon 1 launch vehicle managed to ...

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More spots from W1BW…

Published on 2008-09-28 by Mark VandeWettering

Well, I got bored trying to make PSK31 QSOs amidst all the RTTY contesters, so I flipped back to playing with my WSPR daemon. First ...

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Visual Beacon heard by W1BW

Published on 2008-09-26 by Mark VandeWettering

Bruce finally got his grabber back online, and I swiped the following image from it: In addition to the WSPR digital message, my beacon program ...

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Another map…

Published on 2008-09-23 by Mark VandeWettering

My previous maps of WSPR spots didn’t do a great job of showing where my beacon had been heard in the U.S. Here’s another try: ...

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More WSPR developments…

Published on 2008-09-20 by Mark VandeWettering

Well, I took a hint from Bruce, W1BW and modified my beacon to do both WSPR and visual beaconing on 30m. Below, you can see ...

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World Map

Published on 2008-09-15 by Mark VandeWettering

I’m still playing around with GMT to generate some maps. I’m not sure I’ve really got it figured out, but here is an attempt to ...

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Progress on WSPR

Published on 2008-09-14 by Mark VandeWettering

So, I’ve made some progress on teasing apart enough of the encoding of WSPR beacon messages to write a completely stand alone Python program that ...

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WSPR: Can you hear me now?

Published on 2008-09-08 by Mark VandeWettering

I haven’t had the chance to type up my notes yet on my attempts at beaconing using WSPR, but I did leave my beacon running ...

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JH5RXS working contest on 7.0945Mhz

Published on 2008-09-06 by Mark VandeWettering

Woke up around 4:00AM, couldn’t get back to sleep, so I went downstairs, turned on the radio and caught JH5RXS on 7.0945Mhz booming in. He’s ...

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Is this multipath?

Published on 2008-09-02 by Mark VandeWettering

While listening to some WSPR signals (and testing my new encapsulated WSPR beacon) I heard some signals that were throbbing at about the baud rate. ...

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Poor Man’s Guide to WSPR Spots

Published on 2008-09-01 by Mark VandeWettering

Okay, so I’ve been playing around with generating various kinds of visual signals on the MEPT subband on 30m. That’s the 100hz wide band just ...

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Thunderbirds are go!

Published on 2008-09-01 by Mark VandeWettering

Yesterday, I took the wife and the future daughter-in-law to Travis AFB for their airshow. It was a blast. Lots of cool planes, culminating in ...

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MV beacon on 30m

Published on 2008-08-30 by Mark VandeWettering

Well, inspired by Bruce’s “Flying W” beacon, and realizing that it was a pretty nice and efficient way to send out an easily identified beacon ...

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More 30m beacon activity….

Published on 2008-08-24 by Mark VandeWettering

Somebody is sending out a CQ. I just noticed it at the end of a recording I did, but he’s retransmitting again now. I’ll let ...

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Ether busting in the AM…

Published on 2008-08-22 by Mark VandeWettering

Well, I woke up this morning, kind of bleary eyed, and decided to see if I could reach any of the other QRSS grabbers during ...

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QRSS Grabbed from CM87ux -> FN85ki

Published on 2008-08-18 by Mark VandeWettering

Well, I was experimenting a bit. I dusted off my QRSS3 iTunes beacon idea, and set it going. VE1VDM had his “big ears” grabber going, ...

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Slow Feld Hell Examples…

Published on 2008-08-16 by Mark VandeWettering

Hellschreiber is a method of sending text over radio. It basically is a kind of primitive fax machine: it sends each character as a 7×14 ...

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@ SIGGRAPH 2008

Published on 2008-08-13 by Mark VandeWettering

Well, I’m sitting at The Standard (a frankly far too chic hotel for a forty something computer geek like myself), it’s not quite 7 A.M. ...

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Space Tracking Notes

Published on 2008-08-11 by Mark VandeWettering

Sven Grahn’s Space Tracking Notes talks about his efforts in using radio to track satellites. There is all sorts of really good stuff in here, ...

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SWL on 30m…

Published on 2008-08-11 by Mark VandeWettering

I was monitoring the 30m PSK31 subband this evening, and it seemed to be fairly quiet and also picking up some pretty good DX. I ...

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QRSS experiment…

Published on 2008-08-07 by Mark VandeWettering

Well, last night, conditions on 40 and 30 were frankly pretty terrible. I tried to get a couple of VE3s to pay attention to me ...

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This morning? Two letter beacons…

Published on 2008-08-06 by Mark VandeWettering

Yesterday, I was playing with WebSDR , an awesome software defined radio that you can access from the web, and I noticed that there was ...

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IBP software for Linux/Unix

Published on 2008-08-05 by Mark VandeWettering

Well, the bands were really dead this evening, so I decided to try to see if I could find some software that might be useful. ...

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Receiving QRSS

Published on 2008-08-05 by Mark VandeWettering

Conditions have been really bad on 30m. I haven’t had any luck at recording any beacons at all in the MEPT subband, so I was ...

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First two contacts via PSK31!

Published on 2008-07-30 by Mark VandeWettering

Tonight was a momentous occasion. Using 5w of power into a low end fed antenna, I managed to get two contacts. The first was Chuck, ...

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K4GFG tracks satellites on a budget…

Published on 2008-07-28 by Mark VandeWettering

While digging around for information on how to observe radio echos from meteors, I stumbled across this fascinating link about using reflections from the NAVSPASUR ...

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Magnetic Loop Antennas

Published on 2008-07-26 by Mark VandeWettering

DJ1YFK suggested this site for info on small magnetic loop antennas. I should check this out. Magnetic Loop Antennas, Magnetic Loop Info, How to Build ...

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VLF Paper Archive

Published on 2008-07-26 by Mark VandeWettering

Just stashing a link to some papers on VLF radio that came across a mailing list. Index of /~talves/VLF ...

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HF Volmet Broadcasts

Published on 2008-07-24 by Mark VandeWettering

While tuning around below the 30m band on my FT-817, I heard a rather loud and clear weather broadcast on 10.051Mhz. It turned out to ...

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DJ1YFK – Ham Stuff

Published on 2008-07-24 by Mark VandeWettering

I need to remember to bookmark DJ1YFK’s website. He’s a regular on the #hamradio irc channel, and he has a bunch of nifty stuff on ...

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BT878 Audio Capture Trials

Published on 2008-07-22 by Mark VandeWettering

I subscribe to a number of different mailing lists related to radio topics. Something that has intrigued me for quite some time is VLF or ...

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Happy Birthday, Brainwagon

Published on 2008-07-21 by Mark VandeWettering

On this day in 2002, I made my first posting to this blog . If any of you have hung around since then, you will ...

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WWV and WWVH

Published on 2008-07-17 by Mark VandeWettering

I have been monitoring 30m to try to detect some of those MEPT (Manned Experimental Propagation Transmitters) that I wrote about a few weeks ago, ...

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Dear God, Will It Never End?

Published on 2008-07-16 by Mark VandeWettering

The All-Star game is going to the bottom of the 13th in a 3-3 tie. Both teams are 3-27 with runners in scoring position. There ...

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Don Mitchell’s Blog

Published on 2008-07-14 by Mark VandeWettering

Today I found out that Don Mitchell has a blog. While I’ve only briefly met Don a couple of times, I’ve been aware of his ...

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Quail!

Published on 2008-07-10 by Mark VandeWettering

My wife noticed a mommy and daddy quail at our fence, with a whole bunch of babies squabbling around in the grass at the bottom. ...

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Torpedo Data Computer Mark 3

Published on 2008-07-07 by Mark VandeWettering

This came across one of my mailing lists: a complete description of the mechanical computer used to solve torpedo targeting problems during WWII. It’s really ...

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Beacon Activity on 30m?

Published on 2008-07-05 by Mark VandeWettering

Well, I decided to try again to record some of the beacons that are on 30m. I recorded 1 hour of what sounds like white ...

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Backyard Shed Turned Home Office

Published on 2008-07-03 by Mark VandeWettering

Courtesy of Lifehacker, here are some neat pictures of a guy who added an office to his home by using a pre-fab 8×15 shed which ...

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WSPR activity on 30m

Published on 2008-07-02 by Mark VandeWettering

I’ve been bitten by the QRPP/QRSS bug, and am considering a project where I build a MEPT (that stands for Manned Experimental Propagation Transmitter, apparently), ...

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An Internet Anniversary

Published on 2008-07-01 by Mark VandeWettering

I blogged about “Dramatic Chipmunk” one year ago today. My, how time flies. YouTube – Dramatic Chipmunk ...

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Hellschreiber Font Definition

Published on 2008-07-01 by Mark VandeWettering

Here’s a link to a scan of the page which actually defines the Hellschreiber font that was used on real Hellschrieber machines. It’s not in ...

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Wall•E review on “The Bleat”

Published on 2008-06-30 by Mark VandeWettering

I normally wouldn’t be so self-serving as to link to movie reviews for one of our films, but James Lileks is a really good writer, ...

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Field Day Weekend Activities

Published on 2008-06-29 by Mark VandeWettering

Well, this weekend is “Field Day”: one of the big contest weekends for amateur radio. Basically hams go off grid, travel to campgrounds and the ...

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Wall•E Looking at Hal

Published on 2008-06-29 by Mark VandeWettering

Wall•E Looking at Hal 20th June, 2008 Angus McClane is one of Pixar’s animators, and widely acknowledged as perhaps being it’s largest geek. He’s also ...

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2N2/6 Transverter Information

Published on 2008-06-29 by Mark VandeWettering

On the softrock40 mailing list, somebody mentioned the 2N2/6 Transverter , which is a 6m transverter for use with a 40m transceiver. It’s not completely ...

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Back From Cruise…

Published on 2008-06-26 by Mark VandeWettering

I’m back from my vacation cruise to Mexico aboard the Carnival Elation to Los Cabos. Needed relaxation, and the cruise provided. Snapped lots of pictures. ...

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Turbo code tutorial…

Published on 2008-06-18 by Mark VandeWettering

Learning about turbo codes has been on my list for a long time. Here’s a tutorial that looks like it might be helpful. ...

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Pizza Order…

Published on 2008-06-15 by Mark VandeWettering

A few days ago, I blogged about a Python program to monitor the status of your Domino’s pizza order. Last night found me at home ...

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Oakland A’s Get Wet and Wild

Published on 2008-06-15 by Mark VandeWettering

Didn’t catch the Friday win for the Athletics over their Bay Area rivals, but found out that the sprinklers came on during the ninth with ...

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NOAA 18 Weather Picture

Published on 2008-06-15 by Mark VandeWettering

I haven’t done one of these in a while, hauled out my Yaesu VX-3R and recorded a pass. I’ve busted the sync corrector in my ...

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Threefer of Satellites…

Published on 2008-06-13 by Mark VandeWettering

I’ve been trying to catch the SEEDS cubesat in SSTV/digitalker mode for a while. No dice. But I did record three of the cubesats as ...

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Christie’s Auction of Interest

Published on 2008-06-11 by Mark VandeWettering

Okay, I’m not a gazillionaire, so all of this interest is (pardon the expression) purely academic, but check out the 347 lots available in this ...

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Brief Movie Review: Kung Fu Panda

Published on 2008-06-10 by Mark VandeWettering

What can I say? It’s really good family fare. Animation? Art Direction? Story? All really good! I enjoyed it a lot. So did the wife. ...

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Picture from CUTE-1.7

Published on 2008-06-09 by Mark VandeWettering

Click below for a color picture relayed back to earth from the CUTE-1.7 satellite. It is my understanding that CUTE is only capable of sending ...

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Punch & Judy: The Punch Page

Published on 2008-06-08 by Mark VandeWettering

To show just how much of a lunatic I am, today while surfing around, I was trying to remember what the gadget that caused the ...

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MOVIES IN THREE DIMENSIONS

Published on 2008-06-07 by Mark VandeWettering

Just a fun link of the day: a Mechanix Illustrated article on making home made 3D movies. MOVIES IN THREE DIMENSIONS ...

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Hassock Hog motor controller

Published on 2008-06-05 by Mark VandeWettering

This came over the make blog this morning: a rather nice looking page describing a cool robot motor controller. Hassock Hog motor controller description ...

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Hackszine.com: Python pizza status

Published on 2008-06-04 by Mark VandeWettering

Crazy link from hackszine.com that monitors the progress of your pizza from Dominos website. Neat! Hackszine.com: Python pizza status ...

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SEEDS spectrogram

Published on 2008-06-02 by Mark VandeWettering

Last night I was redoing my Python script that did Doppler tracking. There was a very low (max elevation under fifteen degrees) pass of SEEDS ...

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Nick’s pinhole photography

Published on 2008-06-02 by Mark VandeWettering

My morning browsing eventually sent me to Nick’s pinhole photography , which has many excellent scans of 19th and early 20th century articles on the ...

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Platypus

Published on 2008-05-29 by Mark VandeWettering

Platypus is a system that can convert scripts (shell, Python or even perl) into something that looks a lot more like a real Mac application. ...

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Another look at Yubileiny

Published on 2008-05-29 by Mark VandeWettering

In an earlier posting, I presented a recording that I did of the new Russian satellite Yubileiny, also designated RS-30. I finally found my spectrogram ...

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Movie Reviews in One Line

Published on 2008-05-28 by Mark VandeWettering

I’ve seen a bunch of movies lately. Rather than give details of each, I just thought I’d give a single line review of each. Iron ...

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Yahoo! Hack Day

Published on 2008-05-25 by Mark VandeWettering

I attended the first one, I’ve pencilled in the next one on my calendar. hackday.org ...

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Phoenix to land today…

Published on 2008-05-25 by Mark VandeWettering

The Phoenix probe to Mars should land today around 6:00EDT. It’s a lander designed to dig in the Martian top soil to look for sub ...

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HexWiki

Published on 2008-05-21 by Mark VandeWettering

Work on my checkers program milhouse has stalled a bit: I have a problem in the transposition tables that is fighting against my endgame database ...

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Animatronic WALL-E Spotted in LA

Published on 2008-05-16 by Mark VandeWettering

As we get closer to the Wall-E premiere, you’ll probably be seeing this animatronic version of Wall-E in various promotional spots, and eventually deployed at ...

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25 Cent I2C Adapter

Published on 2008-05-14 by Mark VandeWettering

I doubt I’ll ever need this, but I still think it’s kind of neat. I2C is a two wire serial bus that is used in ...

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More on checkers…

Published on 2008-05-10 by Mark VandeWettering

I’ve been thinking about improving the evaluation function that milhouse uses, and have been particularly interested in automatic tuning of these functions. The two obvious ...

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Milhouse v. Chinook

Published on 2008-05-04 by Mark VandeWettering

Well, this morning as I woke up, I decided to try to play milhouse against Chinook. Deluded by feelings of competency, I felt like it ...

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Loy’s Checkers Problems

Published on 2008-05-03 by Mark VandeWettering

I was looking for some more difficult checkers positions to test my checker program milhouse against. Jim Loy’s excellent page has a list of difficult ...

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Welcome back, Frank Thomas

Published on 2008-04-29 by Mark VandeWettering

Slugger Frank Thomas got let go from Toronto, and got resigned to come back to Oakland and smack some balls around for us. I couldn’t ...

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COMPASS sounds pretty chirpy….

Published on 2008-04-29 by Mark VandeWettering

Last night I went out with my FT-817 and a little voice recorder and tried to pick up COMPASS and CUTE on 437.275Mhz as they ...

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Cubesats away!

Published on 2008-04-28 by Mark VandeWettering

Well, the satellite launch that I’ve been waiting for happened. On the first pass I thought I was setup to record the Delfi C3 telemetry, ...

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AO-16 gone quiet…

Published on 2008-04-27 by Mark VandeWettering

The news is that satellite AO-16 has gone quiet. We’ve been assured not to panic: Hello all, There are reports at http://oscar.dcarr.org/ that AO-16 has ...

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General Decimal Arithmetic

Published on 2008-04-27 by Mark VandeWettering

While trying to find out if Python included some built-in capabilities for dealing with BCD numbers (it appears not) I encountered this rather interesting page ...

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Another satellite recording…

Published on 2008-04-25 by Mark VandeWettering

I heard via the amsat-bb mailing list that RS-22 was still transmitting telemetry, but might be interrupted by low batteries during eclipse period. I haven’t ...

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Upcoming Cubesat Launch…

Published on 2008-04-22 by Mark VandeWettering

On the 28th of April, a PSLV-C9 launch vehicle will carry a bunch of tiny cubesats into earth orbit. Mineo Wakita posted a list of ...

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QR-Code Generator

Published on 2008-04-21 by Mark VandeWettering

QR-codes are a kind of 2D barcode that you can see around from time to time. I wanted to bookmark this code generator, just for ...

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WebSDR on 40m and 80m in JO32KF

Published on 2008-04-19 by Mark VandeWettering

Read about a system called WebSDR on the softrock mailing list, and boy, is it ever cool. It is a software defined radio that is ...

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Checker game from the past…

Published on 2008-04-18 by Mark VandeWettering

I dusted off my copy of Schaeffer’s book One Jump Ahead: Challenging Human Supremacy in Checkers and reread the description of the match between Arthur ...

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Dusting off Milhouse…

Published on 2008-04-13 by Mark VandeWettering

Since looking at Olithink a few days ago, I’ve been re-bitten by the “write your own game” bug, and dusted off milhouse, my Checkers program ...

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The Museum of RetroTechnology

Published on 2008-04-13 by Mark VandeWettering

I was reading up on mechanical amplifiers the other day, and found a link to information on this rather esoteric period in technological history. It ...

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Three Kings vs. Two Kings

Published on 2008-04-11 by Mark VandeWettering

Well, I dusted off my checkers program source code and compiled it on my Mac. It managed to actually solve this position: a rather common ...

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Checkerboard…

Published on 2008-04-10 by Mark VandeWettering

In reading up about Olithink, I recalled my own not-too-good Checkers program that I called “milhouse”. It doesn’t really work very well, despite all my ...

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Generating trigonometric tables

Published on 2008-04-09 by Mark VandeWettering

While researching the computation of “twiddle factors”, I was looking for good recurrence relationships that might be useful. As usual, Wikipedia seemed to turn up ...

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Quote of the Day…

Published on 2008-04-03 by Mark VandeWettering

“When a proposition is ludicrous enough, we lend it undeserved credibility when we respond too politely.” — Robert M. Price ...

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Big Mess o’ Wires

Published on 2008-04-03 by Mark VandeWettering

Here’s another of those home built cpus that I find fascinating. Big Mess o’ Wires Check out the crazy wire wrapping. ...

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Homemade Transistors?

Published on 2008-03-29 by Mark VandeWettering

My excursion into nostalgia has me researching homebrew transistors and tubes. Today, G3CWI mentioned this article about homebrewing transistors on the GQRP list. The method ...

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Low western pass of AO-51…

Published on 2008-03-24 by Mark VandeWettering

I worked the fifteen degree pass to the west of AO-51 tonight. Not all that great, was hoping to get someone from Hawaii, but alas, ...

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I’m genuinely sad….

Published on 2008-03-23 by Mark VandeWettering

I must admit, part of my fascination with computers and mathematics has to do with my early exposure to Martin Gardner’s absolutely fantastic Mathematical Games ...

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The FFT Demystified

Published on 2008-03-21 by Mark VandeWettering

Here is a good explanation of the FFT. I have used FFT libraries before, but I never really bothered to code one myself. The FFT ...

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HF SDR receiver designs…

Published on 2008-03-20 by Mark VandeWettering

This link came across the softrock mailing list. Preserved for its many cool ideas! HF SDR receiver ideas from YU1LM ...

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Jörg’s useful and ugly FXT page

Published on 2008-03-18 by Mark VandeWettering

Well, my excursion into FFT multiplication the other day left me with some more interesting questions, including trying to find out more information about the ...

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Courteous AO-51 Operation

Published on 2008-03-18 by Mark VandeWettering

I like working AO-51. It’s the easiest of the easy satellites, with strong signals, little fading, and is workable with small handheld antennas or mobile ...

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Sunday Afternoon AO-27 Pass

Published on 2008-03-16 by Mark VandeWettering

It has been quite some time since I worked AO-27: the passes usually occur in the early morning and early afternoon, which isn’t all that ...

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2^32582657-1 is prime

Published on 2008-03-15 by Mark VandeWettering

In fact, at the moment, it’s the largest known prime, with over 9.8 million digits. As part of my pi day celebration yesterday, I was ...

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AO-51 pass…

Published on 2008-03-13 by Mark VandeWettering

Nice high pass this evening, got a few people. Pass seemed a bit tougher than normal, I was waving the antenna around alot trying to ...

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Tomorrow is pi-day….

Published on 2008-03-13 by Mark VandeWettering

Tomorrow is 3/14, known as pi day, or Albert Einstein’s birthday. How better to celebrate than with a script in pi-thon? #!/usr/bin/env python from itertools ...

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Rawls on Baseball

Published on 2008-03-12 by Mark VandeWettering

Want to know why baseball is the greatest sport? Check out this article from philosopher John Rawls on the magic of baseball . (Thanks to ...

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Economics in One Lesson

Published on 2008-03-12 by Mark VandeWettering

While reading up on the Broken Window Fallacy, I found this interesting article: Economics in One Lesson Briefly put, the Broken Window Fallacy is that ...

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MLB 2008 Schedules…

Published on 2008-03-10 by Mark VandeWettering

One stop shopping for the 2008 MLB schedule in .csv format: wget -r -A.csv -l1 -H -np -nd -erobots=off http://www.mysportscal.com/ I’ll probably make a merged ...

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TX5C on 30m

Published on 2008-03-09 by Mark VandeWettering

Earlier today, I was tuned into 30m listening for the the DXpedition to the Clipperton Atoll , transmitting using the callsign TX5C. The signals to ...

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First SSTV pictures received…

Published on 2008-03-08 by Mark VandeWettering

I spent a little time this morning moving my 20m dipole up a bit higher (to no noticeable effect) but then did start getting some ...

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More from weather satellites…

Published on 2008-03-06 by Mark VandeWettering

Well, I didn’t record this off the air, but I did take the raw data from the NOAA 18 weather satellite (more on how to ...

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QSO via SO-50

Published on 2008-03-05 by Mark VandeWettering

Got N6LY, who had apparently just assembled his own Arrow antenna. Neat! N6LY on SO-50 ...

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Numbers station

Published on 2008-03-04 by Mark VandeWettering

I was just scanning around the bands when I got home from work, and tuned up 30m, the amateur band between 10.100Mhz and 10.150Mhz. I ...

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Evening pass of NOAA 15

Published on 2008-03-03 by Mark VandeWettering

I didn’t hold high hopes for the NOAA 15 pass tonight, but the combination of the late evening twilight and the nearly overhead pass made ...

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Feld Hell Decoder

Published on 2008-03-01 by Mark VandeWettering

I was tuning around this morning, and caught WA9HCZ, Jerome in Wisconsin, sending Hellschrieber on 10.139Mhz (in the 30m band). It was actually the first ...

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Association Of Rocket Mavericks

Published on 2008-02-28 by Mark VandeWettering

With all the pondering of satellites that I’ve been doing lately, it seems inevitable that I would have to develop some interest in rocketry. Here’s ...

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SO-50 pass in the afternoon…

Published on 2008-02-27 by Mark VandeWettering

I decided I needed a break, so I wandered outside and caught the SO-50 pass from the parking lot using my TH-D7A and my trusty ...

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Try to get N3CRT on AO-51…

Published on 2008-02-24 by Mark VandeWettering

Got stomped. Oh well. AO-51 Pass, February 23, 2008 Addendum: N3CRT tried to record it too. His recording is here . ...

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AO-16 attempt…

Published on 2008-02-23 by Mark VandeWettering

Well, I was going to try AO-16, but as it turns out, I forgot to charge my FT-817, so I only got six minutes of ...

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More HF-Fax experimentation…

Published on 2008-02-22 by Mark VandeWettering

Worked a bit more on the code. It now sets the appropriate horizontal size and aspect ratio, and I tuned it to actually have the ...

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Where is this fax from?

Published on 2008-02-22 by Mark VandeWettering

I’m a teeny bit confused. The strong source of HF-FAX transmissions that i’ve been recording and decoding is broadcasting at night on 8.502 Mhz. I ...

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Strange Sounds From Saturn

Published on 2008-02-22 by Mark VandeWettering

One of the greatest science fiction movie of all time is without doubt the 1956 classic Forbidden Planet . One of the reasons it was ...

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Evening programming…

Published on 2008-02-20 by Mark VandeWettering

Got home, and didn’t feel like standing outside in the rain and wait for a satellite pass. But I did feel like doing something radio ...

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VP6DX Ducie Island 2008

Published on 2008-02-18 by Mark VandeWettering

On Saturday afternoon, I was tuning around with my FT-817, and heard VP6DX calling CQ on 20m SSB. He was working split, transmitting on 14.190 ...

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More weather pictures….

Published on 2008-02-17 by Mark VandeWettering

Well, I decided to give NOAA 18 a try during a nice 18 degree pass. The resulting image was actually pretty good, although still spoiled ...

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Evening satellite passes…

Published on 2008-02-14 by Mark VandeWettering

Sigh. Just went out to try to work AO-51, couldn’t hear anything from the satellite, nor could I raise it. It was only after I ...

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HF-FAX

Published on 2008-02-12 by Mark VandeWettering

Well, I was playing around with cocoaModem a bit more, and decided to try to decode some of the HF-FAX images sent by the station ...

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Another night pass on AO-51…

Published on 2008-02-11 by Mark VandeWettering

Well, beneath a beautiful crescent moon and a stunning view of Orion, I set up to work AO-51 again. Sadly, on the eastern pass I ...

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research!rsc

Published on 2008-02-10 by Mark VandeWettering

Tom Duff recommended this blog for my perusal, and I filed it away. Today I discovered that it was linking back to one of my ...

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cocoaModem

Published on 2008-02-10 by Mark VandeWettering

For fun, I downloaded cocoaModem: a program that decodes many modes, including RTTY, PSK31, and SITOR-B. SITOR-B is similar to RTTY, but is used by ...

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Saturday NOAA 17 pass..

Published on 2008-02-09 by Mark VandeWettering

Here’s another NOAA 17 pass, recorded on a bright and sunny Saturday morning. I tried a bit of a different setup this morning: I was ...

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Happy Pixar Day…

Published on 2008-02-07 by Mark VandeWettering

Eighteen long years ago was my first day at Pixar (before it was Pixar Animation Studios). Today, I’m celebrating by taking a bunch of my ...

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A Satellite Two-fer…

Published on 2008-02-06 by Mark VandeWettering

Got on board the late night pass for the ISS, and right after that went down, turned around and worked SO-50. Sadly, the recorder I ...

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Antenna Design

Published on 2008-02-05 by Mark VandeWettering

I’ve been reading up a bit on antenna design, particularly the design of Yagi style antennas, and decided to give it a whirl. In particular, ...

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Pleasant Morning on AO-51

Published on 2008-01-31 by Mark VandeWettering

Mostly just the regulars, got W0DXC, which is one of those annoying club addresses with no email contact on QRZ. Sigh, oh well. W0DXZ (thanks ...

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Trying to record some of VO-52…

Published on 2008-01-30 by Mark VandeWettering

Tuning for the Doppler shift on VO-52 is a bit challenging, particularly when you have an antenna in one hand. You all are probably bored ...

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Weird Sound Generator

Published on 2008-01-29 by Mark VandeWettering

Here’s a link for Tom: a kit for the Weird Sound Generator. Unlike many of these things, I actually found the variety and quality of ...

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New Radio on AO-51

Published on 2008-01-29 by Mark VandeWettering

Well, last night I went and programmed in the various doppler shifted frequencies for AO-51 into the new FT-817, and then this morning worked the ...

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WA0D on AO-51

Published on 2008-01-28 by Mark VandeWettering

The weather here is terrible, and standing outside with an antenna in your hand just isn’t that much fun. But I did manage to handle ...

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Script to predict satellite passes…

Published on 2008-01-26 by Mark VandeWettering

Well, my plan13 library has been joined with a library that decodes grid squares and the like, and another which downloads orbital elements and stores ...

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Volksat

Published on 2008-01-26 by Mark VandeWettering

I keep wondering if the whole KISS principle (a personal favorite of mine) might be sensible to apply more thoroughly. Diane, VA3DB pointed me at ...

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Gravner-Griffeath Snowfakes

Published on 2008-01-25 by Mark VandeWettering

I still read stuff that isn’t radio relate. Some of it I’m sure most of you wonder “what kind of a nut are you, that ...

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Globe trotting, er… plotting…

Published on 2008-01-24 by Mark VandeWettering

My old program for drawing globes made some nice postscript output, but in reexamining the source code, I can only imagine that I was doped ...

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UO-11 also wakes up from its nap…

Published on 2008-01-23 by Mark VandeWettering

Another old time satellite might be waking up from its sleep as it comes out of a period of eclipses. Joanne Maenpaa mentioned that UO-11’s ...

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AO-16 lives, in a very strange way…

Published on 2008-01-22 by Mark VandeWettering

This just came across the amsat-bb mailing list: Since AO-16 was recovered approximately 6 months ago, the command team has attempted to reload the satellite ...

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Evening passes for AO-51

Published on 2008-01-22 by Mark VandeWettering

Couldn’t work the bird at all, it was a low 20 degree pass, and I simply can’t get in when the satellite is crowded like ...

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Evening Western Pass for AO-51…

Published on 2008-01-21 by Mark VandeWettering

Got a QSO with KL7XJ, from BP40 near Anchorage Alaska. Not bad, according to my calculator, that’s about 3250km. Also got regulars VA7VW, and heard ...

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Decoding LO-19 Telemetry…

Published on 2008-01-21 by Mark VandeWettering

I heard that the telemetry signal from LO-19 was quite strong, and could be easily picked up with even the simplest equipment. It’s sent as ...

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All the alligators come out on SO-50…

Published on 2008-01-20 by Mark VandeWettering

Alligators have big mouths, but little ears. On a satellite, an alligator is someone who sends a loud signal without listening, effectively trashing someone elses ...

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NOAA-17 a day later…

Published on 2008-01-20 by Mark VandeWettering

Yesterday I posted an image that I had captured from the NOAA-17 weather satellite on a pass over the bay area in the mid morning. ...

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Another weather satellite pass…

Published on 2008-01-19 by Mark VandeWettering

Another pass of NOAA-17 this morning. A pretty nice one too, lots of good detail. Not the most noise-free image though: not sure what the ...

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Plan13 code nearing alpha test…

Published on 2008-01-19 by Mark VandeWettering

My Python port of the Plan13 algorithm is pretty much working now. I wrote a simple script to find the next pass of NOAA-17, and ...

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Lawrence Lessig @ Pixar

Published on 2008-01-18 by Mark VandeWettering

Stanford law professor and copyright champion Lawrence Lessig came for a lunchtime lecture here at Pixar. I’ve been interested in copyright law and intellectual property ...

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UVM CricketSat Program

Published on 2008-01-18 by Mark VandeWettering

I’ve been toying with the idea of doing a balloon launch, perhaps carrying a full GPS and radio transmitter payload, but I think it would ...

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Maidenhead Gridsquares

Published on 2008-01-18 by Mark VandeWettering

If you’ve listened to some of my satellite audio, you’ll notice that in addition to the callsigns, people are exchanging things that sound like “Delta ...

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Morning Coffee on AO-51

Published on 2008-01-16 by Mark VandeWettering

Yep, another AO-51 pass this morning. I frankly was in a rush, and for the life of me can’t remember who it was I worked ...

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AO-51 back from the dead…

Published on 2008-01-16 by Mark VandeWettering

Yep, it’s back. Worked N6PAA and WA6FWF (although I totally misheard his call originally, glad I record these things). I was fighting antenna polarization early ...

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An Almost-No-Solder Electronic Organ

Published on 2008-01-15 by Mark VandeWettering

This is perhaps too simplistic a project to please the electronic and experimental music lovers among my readers, but it was written by Mark Spencer, ...

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Plan 13, in Python

Published on 2008-01-13 by Mark VandeWettering

Well, I’ve made some headway on a project that I thought would be cool to write: porting G3RUH’s Plan 13 Satellite Prediction algorithm to a ...

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Nice NOAA-17 pass today!

Published on 2008-01-13 by Mark VandeWettering

I got a pretty good recording of the NOAA17 pass today, and converted it with my software. Turned out very nice. You can see Catalina ...

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FeldHell encoder…

Published on 2008-01-09 by Mark VandeWettering

I’ve been pondering the amateur mode known as FeldHell or Hellschrieber. It’s a very old mode, dating back to a patent in 1929. I’ll let ...

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Extreme Homebrew Electronics

Published on 2008-01-08 by Mark VandeWettering

Every once in a while, I encounter one of those odd hams who likes to homebrew his own electronics, but who views using integrated circuits ...

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Sines and Cosines of the Times….

Published on 2008-01-07 by Mark VandeWettering

I can never remember these formulas, so I wrote this program. I’m putting it here so I won’t lose it, and so others may benefit. ...

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Motion…

Published on 2008-01-06 by Mark VandeWettering

As a break from my amateur radio posts, here’s a photography one! Most of my photographs are cool largely by accident. This is no exception. ...

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AO-27 Pass…

Published on 2008-01-05 by Mark VandeWettering

First time I worked AO-27 in the new year, caught regulars WA8SME, VA7MG, WA6KYR (who I didn’t recognize, but I worked him on December 19th), ...

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Colorized Sat Pictures

Published on 2008-01-04 by Mark VandeWettering

I was trying to figure out how people really colorize satellite pictures, but wasn’t making any headway, so I just went ahead and did some ...

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AO-51 from inside…

Published on 2008-01-04 by Mark VandeWettering

Well, the weather today sucks. We have 40mph gusts, and are expecting a full 2 inches of rain. That being said, I decided to try ...

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Fixed a few bugs…

Published on 2007-12-27 by Mark VandeWettering

I got some time today waiting for the furnace guys to show up (they never did) and managed to figure out a few of the ...

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Cool Song…

Published on 2007-12-26 by Mark VandeWettering

It’ll be apparent what’s going on halfway through the song. ...

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NORAD tracks Santa on Youtube

Published on 2007-12-25 by Mark VandeWettering

Okay, I know I’m going overboard on this whole amateur radio kick I’ve been on, but with all the satellite stuff I’ve been dinking with, ...

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Ande Still Lives at 21:53Z

Published on 2007-12-23 by Mark VandeWettering

Around 21:53Z, I got two packets for the NO-61, otherwise known as ANDE ANDE-1>BEACON:T#002,002,010,009,004,003,01000000,000 ANDE-1>APRS2,SGATE::BLN2ANDE :ANDE stays awake for 30 secs after last pkt heard. ...

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SO-50 pass this morning…

Published on 2007-12-23 by Mark VandeWettering

During the SO-50 pass this morning, WA8SME was asking if I was using a preamp, and whether I had any difficulty with receive sensitivity. On ...

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Google Maps can find you without a GPS

Published on 2007-12-21 by Mark VandeWettering

Google Maps for mobile phones apparently has a new feature that enables you to automatically determine your position by triangulating your location from cell towers ...

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Tonight’s AO-51 pass…

Published on 2007-12-21 by Mark VandeWettering

I managed to work WD9EWK from my car using only my Kenwood HT and the omnidirectional whip mounted on the roof of my SUV. I ...

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Narrow versus Wide FM

Published on 2007-12-16 by Mark VandeWettering

While discussing my experiments with weather satellite reception, I talked about how I made my recordings using the “WFM” or wide FM settings on my ...

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Chatting on AO-51

Published on 2007-12-16 by Mark VandeWettering

It was positively chatty on the westward pass of AO-51 this morning. For fun, I reduced power to just 1w on my HT, and nobody ...

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More weather satellite stuff…

Published on 2007-12-15 by Mark VandeWettering

Yawn. Recorded another satellite pass. Decoded it with my software. Played with it in GIMP. Part of the pass spoiled by an oddly synchronous signal, ...

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NH7WN and WA7SDI on AO-51

Published on 2007-12-14 by Mark VandeWettering

Robert (NH7WN) was my first QSL card for a contact via AO-51. I still owe him a QSL card, but to be fair, I haven’t ...

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Packets from ANDE

Published on 2007-12-14 by Mark VandeWettering

Well, didn’t get any packets relayed through ANDE, but I did receive some W6SMU during its pass just before lunch. I have sworn that I ...

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Bouncing Packets off the ISS

Published on 2007-12-12 by Mark VandeWettering

Using information from the post I mentioned earlier about operating via packet on the ISS, I decided to give it a try. It was a ...

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43 Days to Delfi-C3 launch

Published on 2007-12-12 by Mark VandeWettering

This was mentioned on the AMSAT mailing list. In 43 days, the Delfi-C3 cubesat will be launched. After a 90 day mission, it will have ...

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Basic Packet Setup for ARISS

Published on 2007-12-11 by Mark VandeWettering

Here’s a nice, concise overview of how to setup a conventional packet station to transmit via the ISS or via PCSAT-1. I might do a ...

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The AO-7 Log and Resource Site

Published on 2007-12-11 by Mark VandeWettering

The amateur satellite AO-7 was launched on November 15th, 1974. It was thought to be lost for years, until recently when chemistry changes in the ...

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Occidental Grand Flamenco Xcaret

Published on 2007-12-10 by Mark VandeWettering

Here is the Google satellite map of the area around the Occidental Grand Flamenco Xcaret where we stayed on our Mexico vacation. Toward the bottom ...

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Acoustics at Chichen Itza

Published on 2007-12-10 by Mark VandeWettering

While touring at Chichen Itza, your guide will undoubtedly ask you to clap your hands while standing on the broad field in front of the ...

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Chichen Itza

Published on 2007-12-10 by Mark VandeWettering

The blog has had no updates in the last week. The reason is simple: I was on vacation. Far away from the land of the ...

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Night NOAA17 pass…

Published on 2007-11-29 by Mark VandeWettering

A bit of image processing with gimp yielded the following on a night time pass. It wasn’t particularly good with respect to noise: on the ...

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I <3 Kitties

Published on 2007-11-29 by Mark VandeWettering

Lest you all think I’m merely a robotic automata without any sense of sentimentality or soul, I present the following. Thanks Alex for the link. ...

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David Taylor’s Weather Satellites

Published on 2007-11-28 by Mark VandeWettering

Lots and lots of good information, rather Euro-centric (they seem to have lots more fun with satellites than we do here in the states) but ...

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Best Satellite DX so far…

Published on 2007-11-28 by Mark VandeWettering

I was monitoring a routine pass of AO-51 this morning, just listening to some rag chewing, not really diving in myself, until we heard XF4YW ...

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More weather satellite passes…

Published on 2007-11-27 by Mark VandeWettering

Well, I’ve been experimenting a bit more with some weather satellite reception, and on the off chance that anyone cares, I thought I’d write down ...

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$25 TNC

Published on 2007-11-24 by Mark VandeWettering

Terminal node controllers are the “classic” approach to doing packet radio. They are basically dedicated modems that are used to implement a set of features ...

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Decoding APT weather satellites

Published on 2007-11-21 by Mark VandeWettering

With all the satellite mucking around I’ve been doing, I’ve been thinking about the possibility of building a little setup to receive weather satellite information ...

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Asterisk on an FPGA

Published on 2007-11-21 by Mark VandeWettering

From the Beer, Coffee, and a little DSP » Blog Archive » Asterisk on an FPGA Over the past couple of years a few people ...

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First real qso via GO-32…

Published on 2007-11-20 by Mark VandeWettering

I was experimenting with APRS messaging via GO-32 this morning, after being simply overrun by Mexican hams earlier in the morning on AO-51. W7KKE runs ...

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Digipeated APRS Fix via the ISS

Published on 2007-11-19 by Mark VandeWettering

I looked at oscar.dcarr.org , and noted that the ISS packet radio feed appeared to be back up. We had a 15 degree pass to ...

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ANDE deorbit website…

Published on 2007-11-19 by Mark VandeWettering

In about a month, the ANDE satellite (otherwise known as NO-61) will deorbit. Last night I was out hunting for it, and heard a single ...

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APRS Hardware

Published on 2007-11-14 by Mark VandeWettering

Just a link to a webstore that carries stuff of interest to amateurs interested in APRS tracking. They have a chinese import HT for $90 ...

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Android Developers Blog

Published on 2007-11-12 by Mark VandeWettering

Android is the mobile phone platform released by Google today. Here is a link to the Android Developers Blog . Google has promised $10 million ...

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The 500 KC Amateur Radio Experimental Group

Published on 2007-11-06 by Mark VandeWettering

I’ve been interested in low frequency radio (so-called “lowfer” operation) for quite some time. Because of the incredibly long wavelengths, lowfer operation relies on efficient ...

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Two more contacts via AO-51…

Published on 2007-11-04 by Mark VandeWettering

I caught the westward pass of AO-51 tonight that began at 9:18pm local, and caught K7WIN (DM41) calling by his lonesome on the satellite. After ...

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Dan Piponi is one hoopy frood…

Published on 2007-11-04 by Mark VandeWettering

Recently it may be hard to believe that I’ve read anything except for ham radio crap. I still read other stuff, I just haven’t been ...

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Wall-E

Published on 2007-11-03 by Mark VandeWettering

This guy is now in our lobby at Pixar. You should be seeing him next June on the big screen. ...

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Earthquake… again…

Published on 2007-10-31 by Mark VandeWettering

Yep. Another earthquake. I had just gotten of the phone with Carmen when I felt the slow, periodic roll of an earthquake. The shaking was ...

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First QSOs via AO-51

Published on 2007-10-30 by Mark VandeWettering

Well, I’m not much for operating really, but I have been trying to work up the courage actually talk on the AO-51 amateur satellite. It ...

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How I track satellites…

Published on 2007-10-29 by Mark VandeWettering

I was chatting with my brother about my recent attempts at satellite tracking, and he expressed the opinion that it would be nice to present ...

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AO-51 appears to live!

Published on 2007-10-29 by Mark VandeWettering

I was going to present a link the cool OSCAR Satellite Status page by KD5QGR because it can be useful for beginners to see which ...

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Batting averages

Published on 2007-10-28 by Mark VandeWettering

It’s the third game of the World Series, and the score is tied 0-0. If you can’t find any enjoyment in the reality of the ...

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Buried in an AO-27 Pileup

Published on 2007-10-28 by Mark VandeWettering

Well, I’m trying, but I’m finding that I need a third hand to work satellite handheld. Maybe some kind of tripod ala K7AGE would free ...

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Programming the Kenwood TH-D7A

Published on 2007-10-26 by Mark VandeWettering

Modern ham transceivers are complex. Really complex. They have dozens and dozens of settings, hundreds of memories, and they are kind of a pain to ...

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More Satellite Stuff…

Published on 2007-10-22 by Mark VandeWettering

Well, I haven’t had a lot of time to do anything good this weekend. I spent some time mowing my lawn, pulling weeds, fertilizing, and ...

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Pacificon

Published on 2007-10-21 by Mark VandeWettering

I spent yesterday wandering around Pacificon . Nothing too exciting to report: I picked up a book or two, no major purchases. The QRP related ...

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The photon/XOR system

Published on 2007-10-16 by Mark VandeWettering

It’s 8:22AM, and I’m just waking up, checking my email and surveying my usual blogs with Google Reader. I don’t have time to explain why ...

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Haskell Workshop 2007

Published on 2007-10-15 by Mark VandeWettering

In a break with my recent focus on radio related topics, I return to another topic that I’ve enjoyed before. The 2007 Haskell Workshop has ...

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AO-51 Crashed?

Published on 2007-10-12 by Mark VandeWettering

From the AO-51 status page: AMSAT – AO-51 Control Team News At 1848Z 11 OCT over Europe, the software on AO-51 crashed, shutting down both ...

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FCC-1 Assembled

Published on 2007-10-06 by Mark VandeWettering

Last week I got my FCC-1 kit from the Norcal QRP club. It’s a nifty little PIC based frequency counter, and is quite inexpensive. It’s ...

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AO-51 Special Event Station

Published on 2007-10-04 by Mark VandeWettering

Well, this is a bit late, but earlier today I read that the amateur satellite AO-51 was going to be a “special event” station. In ...

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What does RTTY look like?

Published on 2007-09-30 by Mark VandeWettering

I recorded some in Audacity. Here you can see the spectrum display. It wheedles back and forth between two tones which are clearly visible. You ...

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Pascal Implementation

Published on 2007-09-30 by Mark VandeWettering

Pascal is one of my least favorite languages, but reading about how compilers work and examining real code of the (actually fairly simple) system works ...

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Signals from the Galapagos — HC8N

Published on 2007-09-30 by Mark VandeWettering

While tinkering with my little TenTec receiver, I’ve been hearing a ton of radio teletype signals. Apparently it’s the CQWW RTTY contest this weekend, which ...

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TenTec 1056, in a case!

Published on 2007-09-29 by Mark VandeWettering

Well, I finally bored some holes in the case (kind of banging it up a little in the process, next time, I’ll put tape over ...

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Pattern for My TenTec 1056

Published on 2007-09-26 by Mark VandeWettering

Well, i was playing with the TenTec some more, and noticed that it wasn’t very mechanically stable . The VFO wanders considerably just from the ...

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Recording from my TenTec 1056

Published on 2007-09-25 by Mark VandeWettering

Well, I feel stupid. After days of figuring out why I was getting an ugly feedback squeal coming everytime I tried to plug in my ...

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National Talk Like a Pirate Day!

Published on 2007-09-19 by Mark VandeWettering

It’s that most auspicious of holidays: National Talk Like a PIrate Day. All ye scurvy dogs, y’ed best be ex-agg-eratin’ yer ayes and arrs lest ...

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Technical Description of PSK31

Published on 2007-09-14 by Mark VandeWettering

The best description that I’ve found of PSK31 decoding is actually in the WinPSK Technical Manual. Its remarkably informative. WinPSK Technical Manual ...

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Linus is channelling me!

Published on 2007-09-12 by Mark VandeWettering

Heh, I was following an innocuous link this morning, and found this little rant by Linus (yes, that linus) about the use of C instead ...

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Rob Pike on Newsqueak

Published on 2007-09-11 by Mark VandeWettering

Rob Pike is an interesting guy. Formerly Bell Labs researcher, now at Google, Rob Pike has not only done more innovative and development in operating ...

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Homebrew Ham Radio Reading

Published on 2007-09-10 by Mark VandeWettering

Yep, I’m still on my radio kick. Ran across a link to this interesting book, available for download as a bunch of PDF files that ...

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On Ham Radio…

Published on 2007-09-09 by Mark VandeWettering

In one of my previous posts , reader Jim suggested that: The use of digital modes in amateur radio really puzzles me. The beauty of ...

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Huzzah! PSK31 on my Drake 2-B

Published on 2007-09-07 by Mark VandeWettering

Well, after listening to one of the soldersmoke podcasts which described the old Drake 2-B as one of the premier communications receivers of all time, ...

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Rear Panel of My Drake 2B

Published on 2007-09-05 by Mark VandeWettering

Well, not the rear panel of my Drake 2B. The markings on the back of mine have faded considerably, so much so that it is ...

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SolderSmoke

Published on 2007-09-03 by Mark VandeWettering

Recently, my brain has shifted back into ham radio mode. My license had expired back in May, and I decided to renew it, and as ...

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Predicting Satellite Orbits

Published on 2007-08-26 by Mark VandeWettering

I was interested in figuring out when the next pass of the ISS was going to occur, and was reminded of the interesting mathematics involved ...

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Juan Buhler / Morning Fun

Published on 2007-08-23 by Mark VandeWettering

Juan Buhler, fellow Pixarian and exceedingly talented photographer, has a new gallery of cool photos up today. He said in his email: I was in ...

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Viewing the Sky

Published on 2007-08-23 by Mark VandeWettering

The latest version of Google Earth has a mode where you can view objects in the sky as well. Very neat! Viewing the Sky – ...

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PSK31 Web receiver

Published on 2007-08-22 by Mark VandeWettering

I’ve got quite a bit going on lately, which is why I haven’t been posting all that much. For some reason, I’m back in a ...

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Crystal Radio Patent

Published on 2007-08-17 by Mark VandeWettering

I was reading one of my books about crystal radios the other day, and they mentioned this patent. It’s hard to imagine the time period ...

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Hacking the Hot Wheels Radar Gun

Published on 2007-08-15 by Mark VandeWettering

It’s amazing how inexpensive technology can be. The new “toy” Mattel Hot Wheels radar guns have, well, a real radar gun inside. As in a ...

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Tears of St. Lawrence

Published on 2007-08-13 by Mark VandeWettering

Well, I wasn’t going to stay up past midnight to see the best of it, but I did wander outside tonight at around 11:30 for ...

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Phew, back from SIGGRAPH

Published on 2007-08-10 by Mark VandeWettering

Well, I’m back. Hope you all didn’t miss me too much. I ‘ll try to provide links to some of the papers that I liked, ...

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Defcon 15: Undercover reporter flees

Published on 2007-08-04 by Mark VandeWettering

I proudly accept the label of “hacker”. That word gets tossed around alot , and means different things to different people, but I mean it ...

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Puppy vs. Kitten

Published on 2007-08-02 by Mark VandeWettering

I’ve written before about my cat Scrappy: the partially feral cat who now bitches at me if I don’t pet him enough. He went through ...

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Late night hacking…

Published on 2007-08-01 by Mark VandeWettering

I was tired and cranky all day. My wife is asleep, but I’m hacking on my laptop in the dark. How lame is that? This ...

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Bugs Bunny, greatest banned player ever

Published on 2007-08-01 by Mark VandeWettering

U.S.S. Mariner » Blog Archive » Bugs Bunny, greatest banned player ever The exclusion of non-human players like Bunny is another shameful example of the ...

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John’s Combinatory Logic Playground

Published on 2007-07-27 by Mark VandeWettering

All this mucking around in the ICFP contest (I decoded the all the gene tables yesterday, woohoo) has sent me back thinking about simple machines ...

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Playing with the ICFP contest…

Published on 2007-07-25 by Mark VandeWettering

Well, I didn’t have time to actually do the challenge this year, but I’m trying to work through it here. I made some significant progress, ...

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Happy Birthday Brainwagon!

Published on 2007-07-21 by Mark VandeWettering

Today, five years ago, I posted my first message to the newly christened brainwagon.org. Now, a couple of thousand posts and a thousand comments later, ...

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Tallyho! ICFP Contest Underway

Published on 2007-07-20 by Mark VandeWettering

Well, I am still on vacation, but took time out this morning to skim the problem description for the 2007 ICFP programming contest . It ...

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Oakland Athletics…

Published on 2007-07-17 by Mark VandeWettering

have just dropped their 8th game in a row, in truly ugly style. They now are 12 games back of the Angels, and 10 back ...

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False Copyright Claims

Published on 2007-07-14 by Mark VandeWettering

One of my personal pet peeves are companies that try to assert intellectual property rights over material which has entered the public domain. It’s everywhere ...

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Odd plays…

Published on 2007-07-13 by Mark VandeWettering

Okay, I haven’t posted anything about baseball lately, so I thought I’d remark about the oddest play I’ve heard of this week. No, it wasn’t ...

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Eating your own food…

Published on 2007-07-12 by Mark VandeWettering

I love food. I mean I really love it. I love the culture. I love the taste. I love the social aspects of food. I ...

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iPhone Field Test Mode

Published on 2007-07-12 by Mark VandeWettering

This came across a mailing list I’m on: Inside the iPhone field test mode – Blog – WirelessInfo.com Basically if you dial: *3001#12345#* Then you ...

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EFF receives documents on FBI abuses

Published on 2007-07-10 by Mark VandeWettering

The EFF filed a request for documents pertaining to invesigations within the FBI on abuses of National Security Letters. They replied with over 1100 pages ...

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Web Development for iPhone

Published on 2007-07-10 by Mark VandeWettering

Here’s Apple’s documentation for developing web stuff for the iPhone. It’s not all that surprising mostly, but it is good to keep a link to ...

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OpenMoko

Published on 2007-07-09 by Mark VandeWettering

It seems only fair that I give a link to a new telephone product that has more of my ideals in mind: witness openmoko.com , ...

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Are 80 Columns Enough?

Published on 2007-07-08 by Mark VandeWettering

Slashdot asks the question “Are 80 Columns Enough?” Luckily, we have several hundred years of “best practice” in trying to typeset material for maximum legibility ...

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Brainwagon Radio

Published on 2007-07-07 by Mark VandeWettering

For those relative newcomers to my blog, it might shock them to find that I actually used to record a rather geeky podcast. After recording ...

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50 Dollar Paint Job

Published on 2007-07-05 by Mark VandeWettering

I’ve seen some bad paint jobs on cars recently. One guy had some kind of Franken-car that looked like half Gremlin, half Honda, lowered, with ...

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Happy Independence Day!

Published on 2007-07-04 by Mark VandeWettering

In between cookouts, fireworks, going to see movies about giant robots or rat chefs , I hope that some of you will take a moment ...

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Weekly Geekshow Podcast

Published on 2007-07-04 by Mark VandeWettering

I’ve been listening to some new podcasts today. A particularly nice podcast dealing with geeky topics such as video games, and showing particularly insightful comments ...

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Ongoing Construction…

Published on 2007-07-04 by Mark VandeWettering

Well, I shook up the blog a little bit, and as is typical, a few things broke. Most notably, my feedburner feed was screwed for ...

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Ratatouille/iPhone Caption Contest

Published on 2007-07-03 by Mark VandeWettering

Why didn’t I think of this? Check out the Ratatouille/iPhone Photo Caption Contest over at Steve Ivy’s monkinetic blog. [tags]Ratatouille,iPhone,Contest[/tags] ...

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The Brain Wagon

Published on 2007-07-03 by Mark VandeWettering

Len Peralta has a nifty little website called monsterbymail.com . For a modest fee, he’ll draw you a monster with the name you specify, and ...

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Theme Instability

Published on 2007-07-03 by Mark VandeWettering

I’m sick of my default theme. I’m starting with something minimal, and then trying to improve it. Consider the look to be somewhat in flux. ...

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Topsy Turvy

Published on 2007-07-02 by Mark VandeWettering

ɹǝʌǝ buıɥʇ ʇsǝ1ooÉ” ǝɥʇ ʇsnظ sı sıɥʇ ...

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QOTD

Published on 2007-07-02 by Mark VandeWettering

Too old for Facebook? « Scobleizer I’ve been on Facebook about a month now. I have just about 2,000 friends. I think I’d categorize this ...

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DVD homebrewing…

Published on 2007-07-02 by Mark VandeWettering

Every once in a while, I try to make some actual DVDs using software that I have lying around the house (namely, an Ubuntu box). ...

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Dramatic Chipmunk

Published on 2007-07-01 by Mark VandeWettering

This just made me crack up this morning: YouTube – Dramatic Chipmunk Addendum: It’s a prairie dog, not a chipmunk. ...

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TechShop Open House

Published on 2007-07-01 by Mark VandeWettering

Yesterday and today, the TechShop in Menlo Park held an open house. I had heard of this place before, but it is in Menlo Park, ...

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Best iPhone Quote of the Day

Published on 2007-06-29 by Mark VandeWettering

From Ed Felton’s Freedom to Tinker blog: Let me say right up front that I have not accepted the Jesus Phone as my personal Lord ...

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Ratatouille Opens! iPhone arrives!

Published on 2007-06-29 by Mark VandeWettering

Phew. I was on Ratatouille for almost two years, and today it’s finally in theaters. I wonder if all you crazy people camped out waiting ...

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So Long Brown v. Education…

Published on 2007-06-29 by Mark VandeWettering

I hope that the ghost of Chief Justice Earl Warren rises from his grave to haunt the Supreme Court. Prepare to set your clocks back ...

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A Visit from Atlantis

Published on 2007-06-28 by Mark VandeWettering

Holy spy satellites Bat Man! Check out this awesome image of the ISS taken from the Clay Center Observatory in Boston with a 25″ telescope. ...

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Morse v. Frederick

Published on 2007-06-28 by Mark VandeWettering

First of all, I’d like to just say one thing: BONG HITS 4 JESUS How many of you felt that this phrase was trying to ...

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SIGGRAPH 2007 Papers

Published on 2007-06-27 by Mark VandeWettering

I was reminded that the deadline for cheaper prices for attending SIGGRAPH is this Friday. That reminded me that I had not gone out and ...

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25th Anniversary of BladeRunner

Published on 2007-06-26 by Mark VandeWettering

Slashdot had an article today marking the 25th anniversary of the release of Ridley Scott’s vision of Bladerunner , and points at Mythbuster Adam Savage’s ...

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Hydra Console Game Dev. Kit

Published on 2007-06-26 by Mark VandeWettering

The Hydra Consome Game Developer’s Kit is getting quite a bit of play on various blogs. It’s a little game console based upon the Propeller ...

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A quick test of ocropus

Published on 2007-06-23 by Mark VandeWettering

If you wandered into my office, you’d probably be shocked by the vast amount of just raw paper I have lying around. I scribble notes, ...

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Code Challenge

Published on 2007-06-22 by Mark VandeWettering

If you read the same blogs as me or if you watch the same nerd TV show as me, you might have an inkling about ...

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Vinyl Data

Published on 2007-06-20 by Mark VandeWettering

Show a kid a 3.5″ floppy disk today, and he might look at you in quizzically. Show him a 5.25″ floppy, and he’ll think you ...

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ICFP Programming Contest 2007

Published on 2007-06-19 by Mark VandeWettering

It’s about a month until the ICFP programming contest begins, and I’ve found out that I’m scheduled to return from Vegas the day of the ...

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A Couple of Capsule Movie Reviews

Published on 2007-06-18 by Mark VandeWettering

This weekend was a double-movie weekend. On Friday night, I went out to see the new Fantastic Four, Rise of the Silver Surfer movie with ...

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Nandsynth

Published on 2007-06-15 by Mark VandeWettering

It’s been a while since I posted a link to anythng about making annoying sounds music, but it’s Friday, so this link is for Tom. ...

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Happy Birthday Don Newcombe!

Published on 2007-06-14 by Mark VandeWettering

Scanning my list of baseball birthday’s at the right, I see that today is the birthday of Don Newcombe. Newcombe was the subject of one ...

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Modern Device Company

Published on 2007-06-12 by Mark VandeWettering

Modern Device Company has an Arduino like microcontroller board for only $15 in kit form, $22 assembled. That’s just too cheap for words. Maybe my ...

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More Panorama Noodling…

Published on 2007-06-08 by Mark VandeWettering

Okay, since I went to the trouble of actually doing a bit of panorama stitching on Linux, I thought I’d go ahead and make a ...

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San Francisco From Angel Island

Published on 2007-06-07 by Mark VandeWettering

Yesterday, we had our group wrap-up-party excursion. We settled on a leisurely bikeride around Angel Island, accompanied by barbecued ribs and chicken. It was a ...

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Ratatouille Wrap Party Highlights

Published on 2007-06-04 by Mark VandeWettering

Well, we wrapped up Ratatouille production (well, almost) with a wrap party on Saturday at the Masonic auditorium in San Francisco. Carmen had a lovely ...

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Meraki

Published on 2007-06-04 by Mark VandeWettering

One of the mailing lists I was on suggested that the best way to provide network access to a neighborhood was to use a mesh ...

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Interesting Documents According to MC

Published on 2007-05-31 by Mark VandeWettering

I was engaging in a little computer archaelogy this morning, looking up some historical information, and discovered this page chock-a-block full of interesting reading. Lots ...

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The Slug Lives Again!

Published on 2007-05-26 by Mark VandeWettering

I brought up my old Linksys NSLU2 again, after upgrading it to the unslung firmware and installing a 512Mb usb stick to serve as the ...

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May 25th is Towel Day

Published on 2007-05-24 by Mark VandeWettering

Carry a towel around tomorrow. Why? In the words of the sage: A towel, it says, is about the most massively useful thing an interstellar ...

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Homebrew CPU Home

Published on 2007-05-22 by Mark VandeWettering

The other cool project that I saw was Bill (sorry, can’t remember his last name, and I couldn’t find it on his webpage) Buzbee’s homebrew ...

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Rounding the first marker…

Published on 2007-05-08 by Mark VandeWettering

Was at work till midnight last night, and that was the highlight of my day. One remaining shot is kicking my ass, but other than ...

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Curt Schilling has a blog?

Published on 2007-05-08 by Mark VandeWettering

Who knew? Probably every baseball fan on the Internet except me. He actually had some interesting things to say about the signing of Roger Clemens ...

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Minimum Sudoku

Published on 2007-05-07 by Mark VandeWettering

As I worked on my checkers program, I’ve gone to a number of bookstores looking for books on checkers. Unfortunately, checkers has gone the way ...

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Entering the home stretch…

Published on 2007-05-07 by Mark VandeWettering

If all goes well, by Friday I should be done with Ratatouille. If all doesn’t go well, I’ll be more tired and I probably still ...

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Checker Endgames with only Kings

Published on 2007-05-05 by Mark VandeWettering

I haven’t had any time to work on my checkers program with any degree of concentration. I was trying to work out some of the ...

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A few notes..

Published on 2007-05-04 by Mark VandeWettering

I’m on what is scheduled to be my last week of production on Ratatouille. If my blog isn’t fascinating in the degree that you have ...

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More on Flash Video…

Published on 2007-04-30 by Mark VandeWettering

My brother mocked my use of ffmpeg to create flash video as I did a couple of days ago. He sent me this set of ...

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Struggling with Milhouse…

Published on 2007-04-27 by Mark VandeWettering

My checkers program has developed some annoying quirks (read: bugs) and I haven’t made any good progress in figuring them out, except to assertain that ...

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The Internet Movie Database

Published on 2007-04-23 by Mark VandeWettering

I didn’t realize that the data for The Internet Movie Database (IMDb) was available for download as plain text files. Did you? Thanks to the ...

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Progress with Milhouse

Published on 2007-04-22 by Mark VandeWettering

My checkers playing program milhouse is currently advancing at a good clip. I’ve added iterative deepening and a transposition table, and probably will add a ...

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Cat on video…

Published on 2007-04-19 by Mark VandeWettering

Caught Sam’s cat on the wireless webcam, but mostly this is just a test of the embedded flash player. Addendum: Here is WP-FLV, the WordPress ...

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Baseball and Programming…

Published on 2007-04-19 by Mark VandeWettering

Well, I had maxed my vacation time out again, so was forced to take a day off. Oh darn. My son and I decided to ...

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Novelist Kurt Vonnegut dies at 84

Published on 2007-04-12 by Mark VandeWettering

Sadly, one of my favorite authors has joined the choir invisible. Novelist Kurt Vonnegut dies at 84 – BOOKS – MSNBC.com I want to stay ...

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More reading…

Published on 2007-04-10 by Mark VandeWettering

Combinatorial Generation by Frank Luskey . Seems generally useful for a variety of puzzles that I have been pondering lately. Addendum: I didn’t find this ...

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Logos

Published on 2007-04-09 by Mark VandeWettering

I wanted to augment a webpage that I use to keep track of MLB games with team logos. Here they are. <td> <img decoding="async" src="https://brainwagon.org/images/mlb-logos/atl.gif"/ ...

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Debugging…

Published on 2007-04-09 by Mark VandeWettering

I didn’t have much time to work on my checkers program this weekend. Still, in the back of my head, I was troubled by something: ...

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Was Hank Aaron really that good?

Published on 2007-04-08 by Mark VandeWettering

My son innocently asked “was Hank Aaron really that good?” while they were flashing stats showing how various active players might have a shot at ...

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Checkers, Milhouse, and Poe…

Published on 2007-04-06 by Mark VandeWettering

In some of my reading up on checkers, I encountered this quotation from Poe’s Murders in the Rue Morgue : I will, therefore, take occasion ...

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Triangular Peg Solitaire

Published on 2007-04-02 by Mark VandeWettering

Courtesy of The Unapologetic Magician , check out George Bell’s paper Solving Peg Solitaire on arxiv.org. [tags]Mathematical Recreations,Games[/tags] ...

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Welcome to Google TiSP

Published on 2007-04-02 by Mark VandeWettering

Find out a bit more about Google’s new free wireless broadband service! Frankly, I bet it stinks. ...

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Things like this make my head hurt…

Published on 2007-04-01 by Mark VandeWettering

I have thought about dusting off my never-finished (or even really started) checkers program that I aborted work on about three years ago. I basically ...

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Claude Shannon on Chess

Published on 2007-03-30 by Mark VandeWettering

Claude Shannon’s paper Programming a computer to play chess from 1950. Good stuff from the history of computer science. [tags]Claude Shannon, Chess[/tags] Addendum: A terrific ...

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Morning Baseball Learnin’…

Published on 2007-03-30 by Mark VandeWettering

I was bored with the scouting reports on XM this morning, so I surfed over to channel 200 where Bob Dylan was playing music with ...

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Calendar File for Athletics Games

Published on 2007-03-26 by Mark VandeWettering

I know it is incredibly gauche to still use ancient Unix utilities like calendar(1) to keep track of things, but then, I am incredibly gauche. ...

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Popular Works involving Mathematics

Published on 2007-03-24 by Mark VandeWettering

As you can tell, I’m on a bit of a mathematics bender lately. While digging around for new material, I found this rather nice bibliography ...

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2, 23, 2357, …

Published on 2007-03-21 by Mark VandeWettering

If you take the sequence of primes, and concatenate the first n of them together, how many of these are prime? It’s not hard to ...

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Pet Food Recall

Published on 2007-03-20 by Mark VandeWettering

Apparently a pretty serious pet food recall is underway. I caught this on the news, and since I’m such a softie for the well being ...

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Building a RayTracer in a Weekend

Published on 2007-03-16 by Mark VandeWettering

I’ve done this before, it’s kind of a fun little project to do. “Under your desk, you’ll find a computer and a C compiler. Write ...

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Flight Simulation Papers

Published on 2007-03-15 by Mark VandeWettering

I was pondering the universe of flight simulation last night. Found some online references which I’ll archive here for fun: Npsnet: Flight Simulation Dynamic Modeling ...

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Gosper’s Acceleration of Series

Published on 2007-03-11 by Mark VandeWettering

While working on my various and sundry Ï€ programs, I kept finding references to Gosper’s paper Acceleration of Series , so I thought I’d find ...

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Billionth Hex Digit of π

Published on 2007-03-09 by Mark VandeWettering

Well, after tinkering around with my implementation of the BBP algorithm a bit more, i was able to get it to work out until about ...

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Online Math Textbooks

Published on 2007-03-07 by Mark VandeWettering

Textbooks are expensive, but useful. Check out this collection of links to online mathematics textbooks . I found this link in a posting on the ...

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Bit Twiddling Hacks

Published on 2007-03-06 by Mark VandeWettering

I had need for a reminder of a bit twiddling hack that I had forgotten, and found this useful page that included many I don’t ...

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Hex Digits of π

Published on 2007-03-06 by Mark VandeWettering

The 10 hex digits of Ï€ starting at the 10 millionth place after the decimal point (is it really a decimal point if you are ...

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History of Knot Theory

Published on 2007-03-06 by Mark VandeWettering

Courtesy of the Unapologetic Mathematician , here’s a link to a History of Knot Theory from Jozel Przytycki’s book on the subject. I’ve got a ...

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SeisMac

Published on 2007-03-02 by Mark VandeWettering

Through some convergence of factors (namely, my experience trying to read the accelerometers in the Wii remote, last night’s earthquake, and this mornings blear eyed ...

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Yet another quake…

Published on 2007-03-02 by Mark VandeWettering

A pretty good jolt this time, really close (epicenter only a couple of miles away) with some pretty good rolling. Recent Earthquakes – Info for ...

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Fun computing mersenne primes…

Published on 2007-03-02 by Mark VandeWettering

sieve completed... 0.000000 user, 0.000000 system 2**3 - 1 is prime 0.000000 user, 0.000000 system 2**5 - 1 is prime 0.000000 user, 0.000000 system 2**7 ...

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Canada rejects anti-terror laws

Published on 2007-03-02 by Mark VandeWettering

It seems that our neighbors to the north have sobered up on the whole anti-terrorism laws issue. Their Supreme Court recently revoked a law that ...

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A Big Prime

Published on 2007-03-01 by Mark VandeWettering

Take the numbers from 82 stepping down to one, and write them all out together. You get a very big number. 828180797877767574737271706968676665646362616059585756555453525150494847464544\\ 43424140393837363534333231302928272625242322212019181716151413121110987654321 It’s prime. ...

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Pet Peeve of the Day

Published on 2007-02-25 by Mark VandeWettering

C’mon folks. It’s 2007 for pete’s sake. Why are there still programs which can’t be built on 64 bit machines ? Yes, it can be ...

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Motion Capture Done Dirt Cheap

Published on 2007-02-22 by Mark VandeWettering

I had the vaguest recollection of a SIGGRAPH sketch on creating an armature wired with potentiometers for creating an inexpensive motion capture setup. A bit ...

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Chaos and Feigenbaum’s Constant

Published on 2007-02-21 by Mark VandeWettering

Years ago, I read Gleick’s Chaos , and my recent diversion into calculating various numbers to high degrees of precision made me think about Feigenbaum’s ...

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Goofing around with the Wii Remote

Published on 2007-02-17 by Mark VandeWettering

In between sessions of zelda (currently in the Lake Temple, total elapsed time just over fourteen hours), I’ve been considering just how cool the Wii ...

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Wii have liftoff…

Published on 2007-02-12 by Mark VandeWettering

Yep, Carmen stood in line for three hours at our local Toys R Us this morning, and now I have a Wii. Couple of quick ...

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Spigot program for computing e…

Published on 2007-02-11 by Mark VandeWettering

I went ahead and coded up a version of the spigot algorithm for computing e. It makes a nice three line .signature program. Here are ...

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I’m apparently Dr. Doom!

Published on 2007-02-10 by Mark VandeWettering

Your results: You are Dr. Doom Dr. Doom <td> <hr ALIGN=LEFT NOSHADE SIZE=4 WIDTH=65/> </td> <td> 65% </td> </tr> <tr> <td> Apocalypse </td> <td> <hr ...

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Robot Ride

Published on 2007-02-09 by Mark VandeWettering

This just so totally rocks… [tags]Robot,Amusement,Google Video[/tags] ...

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Animation Test from Ratatouille

Published on 2007-02-08 by Mark VandeWettering

I don’t plug my employer very often, but I must admit, I’m having enormous fun working on our current project, and received a message from ...

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Ed Felton on Jobs’ DRM Comments

Published on 2007-02-08 by Mark VandeWettering

The net is abuzz with the comments that Steve Jobs made about DRM the other day. The best commentary that I’ve found (meaning, the person ...

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Spring Cleaning…

Published on 2007-02-07 by Mark VandeWettering

I may bring this website down for a bit of spring cleaning this weekend. It’s been running without problem for somewhere close to six years, ...

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DRM on 9/11 Commission Report

Published on 2007-02-02 by Mark VandeWettering

A bunch of different blogs are complaining about the fact that the important 9/11 Commission report is protected by DRM. If you try to copy ...

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Isn’t it time to move on?

Published on 2007-01-30 by Mark VandeWettering

Today, Microsoft has finally released their long coming upgrade to the venerable XP line. I’d say that now is the perfect time for you to ...

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Adam Dunkels’ Contiki Operating System

Published on 2007-01-27 by Mark VandeWettering

Adam Dunkels Contiki operating system sported a full TCP/IP stack, and ran on very small microcomputers such as the Commodore 64. Apparently now he’s submitted ...

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Folding Paper in Half Twelve Times

Published on 2007-01-25 by Mark VandeWettering

On Mythbusters tonight, they covered an interesting myth: that it is impossible to fold a piece of paper in half more than seven times. My ...

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WordPress 2.1 Ella

Published on 2007-01-23 by Mark VandeWettering

The new WordPress 2.1 Ella was released about 17 hours ago, and since this coincided with a few minutes of boredom, I upgraded. Check out ...

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Flatland: The Movie

Published on 2007-01-22 by Mark VandeWettering

When I was probably ten or twelve years old, I remember that the book Flatland by Edwin Abbott somehow came to my attention, probably through ...

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Pinhole Camera

Published on 2007-01-18 by Mark VandeWettering

During a stop to the new Coppola winery in Healdsburg, I noticed that they had a kit for a pinhole camera on sale for a ...

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The Mistake Some People Make

Published on 2007-01-17 by Mark VandeWettering

You only need to make one mistake when it snows in Portland: that’s trying to drive at all. Here’s a clue: walk to your car. ...

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The Art of Computational Science

Published on 2007-01-16 by Mark VandeWettering

It’s sometimes odd to think of the ways that the eddies and currents buffet you around while reading on the Internet. Frequently, you encounter odd ...

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Of the Just Shaping of Letters

Published on 2007-01-15 by Mark VandeWettering

When I dropped into Tom’s office earlier today, he mentioned that he had found a copy of Albrecht Durer’s Of the Just Shaping of Letters ...

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Comet McNaught

Published on 2007-01-13 by Mark VandeWettering

I should have mentioned this before, but in case anyone didn’t know, there’s been a naked eye comet visible in the west as the sun ...

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A Paint-Brush Laser Range Scanner

Published on 2007-01-12 by Mark VandeWettering

Another link stashed away for safe keeping: A Paint-Brush Laser Range Scanner It’s really quite clever in the way it uses a double frame to ...

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Low Cost Motion Capture

Published on 2007-01-10 by Mark VandeWettering

Just thought I’d stash a reference to this paper on low cost motion capture . It uses two webcams to track the lower half of ...

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Apple introduces iPhone

Published on 2007-01-09 by Mark VandeWettering

Unfortunately, it won’t be available until the middle of the year, but Apple today announced the iPhone, which isn’t just a phone, but in fact ...

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Back to work…

Published on 2007-01-08 by Mark VandeWettering

Well, after an extended vacation, today is my first day back at work. My desk is as messy as I remembered, and I’ve got a ...

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Upgraded WordPress…

Published on 2007-01-05 by Mark VandeWettering

I upgraded this site to WordPress 2.05. It seems to have gone smoothly, but as always, if you spot something amiss, bring it to my ...

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ASQ test

Published on 2007-01-05 by Mark VandeWettering

I got 37. I’m not really surprised. ...

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Dusty Paper on the Hough Transform

Published on 2007-01-01 by Mark VandeWettering

The Hough transform is a fairly standard computer vision algorithm for detecting lines (and with extensions, more general shapes) in images. I hadn’t thought about ...

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Happy New Years!

Published on 2007-01-01 by Mark VandeWettering

Goodbye 2006, and good riddance. Hello 2007, be kind. [tags]Happy New Years[/tags] ...

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More minor shaking…

Published on 2006-12-28 by Mark VandeWettering

I woke up at 5:30 this morning to let the cat out (he has me trained really well) and thought that I might have felt ...

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HD Video Capture Via Mac

Published on 2006-12-27 by Mark VandeWettering

Today I was goofing around with hooking a firewire cable to the Motorola DCT-6412 DVR that Comcast provides, and seeing if I could capture HD ...

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John Baez’s Stuff

Published on 2006-12-27 by Mark VandeWettering

I found John Baez’s stuff because he mentioned Poundstone’s book Fortunes Formula , which is about the relationship between mathematics, information theory and gambling, topics ...

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Merry Christmas

Published on 2006-12-25 by Mark VandeWettering

On this Christmas holiday, I’d like to extend my best wishes to all my readers and their families. Hope you all have a safe and ...

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Another quake…

Published on 2006-12-23 by Mark VandeWettering

A twin to the one we had a couple of days ago. Preliminary report say 3.6 (the other one was a 3.7) and it occurred ...

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Yet another one…

Published on 2006-12-23 by Mark VandeWettering

Wow, three in three four days. This was pretty minor. I heard a door in our house rattle in a stacatto, but felt no rolling ...

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Quake!

Published on 2006-12-21 by Mark VandeWettering

Just a couple of seconds ago, I was cutting some salmon and we had a bit of a quake. Very little ground shaking, but all ...

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Mount St. Helens rockin’…

Published on 2006-12-20 by Mark VandeWettering

Mount St. Helens woke up with a bit of a rumble today. Here’s the seismograph. It’s not exactly unprecedented, but kind of cool. [tags]Volcanic Eruption,Mount ...

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Christmas Card Fodder

Published on 2006-12-20 by Mark VandeWettering

The fromoldbooks blog had this nice engraving of the Nativity available for download (it’s from a book old enough to be in the public domain, ...

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No Wii for Mii

Published on 2006-12-19 by Mark VandeWettering

Well, one of the many Wii locator websites suggested that area Target stores might get them in today, but alas: it was not to be ...

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Google Patent Search

Published on 2006-12-15 by Mark VandeWettering

Google has a patent search now. You can use it to find my sole issued patent. Or you could look up the Slinky Dog patent. ...

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The Prime Game

Published on 2006-12-09 by Mark VandeWettering

Recursivity: The Prime Game Ask a friend to write down a prime number. Bet them that you can always strike out 0 or more digits ...

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Fab @ Home

Published on 2006-12-09 by Mark VandeWettering

As part of Pixar’s exhibition at the NYC MoMa, we created a rather large zoetrope of some of our Toy Story characters. You can see ...

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Not Even Wrong

Published on 2006-12-08 by Mark VandeWettering

This article about a teacher is really, really terrible, and sent Good Math, Bad Math blogger Mark Chu-Carroll into quite a tizzy. It is quite ...

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SIGGRAPH Encore

Published on 2006-12-08 by Mark VandeWettering

SIGGRAPH has a nifty website that allows you to watch lots of presentations from the 2004 and 2005 conference, including paper presentations and sketches. Lots ...

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Life Hint: Wear a Santa Hat!

Published on 2006-12-07 by Mark VandeWettering

If you’re like me, sometimes the pressure of the holidays gets to you, and you end up feeling a bit grumpy. It’s hard to take ...

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Decorating the Blog for Christmas

Published on 2006-12-05 by Mark VandeWettering

Well, it’s the holiday season, and that means it is time to decorate the blog for the holidays. More holiday cheer to follow. Just be ...

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Skull on Mars? Call Hoagland!

Published on 2006-12-04 by Mark VandeWettering

If you look carefully in this image of the Guysev crater taken from the Spirit Rover , you can see what appears to be a ...

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Why Haskell? Indeed…

Published on 2006-11-27 by Mark VandeWettering

I’ve been fascinated by functional programming languages for at least twenty years, but I must admit, despite my rather academic interest, I’ve simply not found ...

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Unusual Stuff

Published on 2006-11-26 by Mark VandeWettering

Sometimes strange stuff happens, and you just want to mention it. I saw a fox on my way up to the observatory on Friday. I’d ...

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Rockin’ Meteor Video

Published on 2006-11-26 by Mark VandeWettering

I mentioned on my blog that the Leonids were peaking a few days ago, but it was cloudy and rainy here, so I didn’t get ...

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Email from Jack the Ripper…

Published on 2006-11-24 by Mark VandeWettering

I was listening to the classic The Hounds of the Baskervilles for the last few days as I ran around doing shopping for my Thanksgiving ...

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Happy Thanksgiving, with Video

Published on 2006-11-23 by Mark VandeWettering

Here at brainwagon central, I’m about to put a turkey and a ham in the oven, I’ve got the potatoes ready to go, I’ve made ...

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Fox News Preps News Satire Show

Published on 2006-11-21 by Mark VandeWettering

Fox News Preps News Satire Show “The way I look at it, almost every comedy show or satire show I see uses the same talking ...

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Happy Birthday J. D. Drew!

Published on 2006-11-20 by Mark VandeWettering

I noticed by my sidebar that today is J. D. Drew’s Birthday, and I thought I’d thank him by providing a link to the most ...

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Stories I don’t care about…

Published on 2006-11-19 by Mark VandeWettering

The news over the last few days has been obsessed with a number of stories that I care very little about. I thought I’d get ...

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EECS Revamps Course Structure

Published on 2006-11-18 by Mark VandeWettering

Twenty plus years ago, back when I was in graduate school, I got my first copy of Structure and Interpretation of Computer Programs by Abelson ...

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Not happy with the Linksys WVC54GC

Published on 2006-11-18 by Mark VandeWettering

Well, I decided somewhat on the spur of the moment to get a wireless webcam for a monitoring application, and I must say, I’m overall ...

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Chronicles of Scrappy

Published on 2006-11-17 by Mark VandeWettering

Well, my silly cat is at it again. A couple of days ago, I came home and called out the back door for our partially ...

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Ancient Egyptian Fractions

Published on 2006-11-16 by Mark VandeWettering

Mark Chu Carroll over at the Good Math, Bad Math blogs has a fascination with bizarre bits of math as I do. Today, he had ...

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Free Coffee? No. Open Source Java? Yes!

Published on 2006-11-14 by Mark VandeWettering

Lycos News Computer server and software maker Sun Microsystems Inc. said Monday that it had begun to make its Java technology an open-source software project ...

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Josh Justifies Gadget Purchase…

Published on 2006-11-13 by Mark VandeWettering

Apparently the weather was pretty bad up in Hillsboro, Oregon. Josh had just got a nifty little UMPC, and despite having his power go out, ...

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A Chick with a Grenade Launcher

Published on 2006-11-11 by Mark VandeWettering

Check out Kumoon , a first person shooter starring a chick with a grenade launcher. It has versions for both Windows and the Mac. Click ...

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How to be interesting

Published on 2006-11-09 by Mark VandeWettering

As an individual with varying degrees of inner security, I can’t help but consider the idea from time to time that I’m frightfully boring. I ...

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Historical Anatomies on the Web

Published on 2006-11-09 by Mark VandeWettering

Check out the NIH’s Historical Anatomies on the Web for lots of, well, admittedly gruesome art from important historical works on anatomy. [tags]Public Domain,Anatomy[/tags] Addendum: ...

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Ghetto Astrophotography

Published on 2006-11-08 by Mark VandeWettering

Well, today was the transit of Mercury (actually, it’s still going on at the moment, but I have work to do, so I’ve folded my ...

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Peter Samson and the PDP-1

Published on 2006-11-06 by Mark VandeWettering

I spent a good chunk of my Saturday at the Vintage Computer Festival , which was an opportunity to see some of the old eye-burning ...

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Kent Hovind PWNED

Published on 2006-11-04 by Mark VandeWettering

Legendary creationist con-man Kent Hovind was convicted on 58 charges relating to tax evasion yesterday, and is now jailed awaiting sentencing. The maximum sentence would ...

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Happy Halloween!

Published on 2006-10-31 by Mark VandeWettering

Well, it’s Halloween again, and that means it’s the anniversary of the 1938 broadcast of Orson Wells production of The War of the World . ...

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Phrase of the Day

Published on 2006-10-30 by Mark VandeWettering

Circadian Disorientation Good God I hate this time switch stuff. I feel like crap. ...

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300 APIs

Published on 2006-10-25 by Mark VandeWettering

I’ve been experimenting with more and more web services. Below is a link to a site which contains links to over 300 APIs which you ...

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Good News For Scott Adams

Published on 2006-10-25 by Mark VandeWettering

Scott Adams, creator of the amusing Dilbert comic strip, has suffered from a condition known as Spasmodic Disphonia, a normally incurable and largely untreatable disorder ...

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Kenny Rogers Cheating?

Published on 2006-10-23 by Mark VandeWettering

Ah, controversy! During Game 2 of the World Series last night, Fox showed closeup video stills of Detroit pitcher Kenny Rogers’ hand that seemed to ...

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Watch for Nukes!

Published on 2006-10-19 by Mark VandeWettering

The first indication that the North Koreans may have tested a nuclear device came from the the seismic data coming from the USGS. I thought ...

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The Complete Work of Charles Darwin

Published on 2006-10-19 by Mark VandeWettering

Wow, this site contains a huge number of works by Charles Darwin. 50,000 pages of searchable text. 40,000 pages of images. Lots more to come. ...

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Ralph Griswold died

Published on 2006-10-18 by Mark VandeWettering

Courtesy of Lambda the Ultimate came the report that Ralph Griswold , creator of the computer languages Snobol and Icon, passed away about two weeks ...

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Oakland Athletics Season Wrap Up

Published on 2006-10-16 by Mark VandeWettering

I’ve given the weekend’s baseball a day or two to sink in, and now I think I’ll take the opportunity to wrap up. The Detroit ...

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How Many of Me?

Published on 2006-10-16 by Mark VandeWettering

Dan Lyke pointed me at a website which could tell you how many other people had your name in the United States. Below you’ll find ...

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Cool Pipe Organ Construction Page

Published on 2006-10-16 by Mark VandeWettering

It’s been a while since i had anything music related, so here’s one from the Make blog for Tom: My homebrew pipe organ [tags]Music,Pipe Organ,Make[/tags] ...

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Ybox

Published on 2006-10-12 by Mark VandeWettering

An interesting project that took 2nd place at the Yahoo! HackDay that I went to, but unfortunately incredibly sparse on any details as to construction. ...

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Amazing physics

Published on 2006-10-08 by Mark VandeWettering

Even if you don’t understand the physics of superconductors (and I don’t) this still looks pretty cool. YouTube – Amazing physics If you want to ...

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Athletics vs. Tigers for the ALCS

Published on 2006-10-07 by Mark VandeWettering

The Yankees are out. Detroit is in. The team that lost three games against the Royals to drop out of first in their division on ...

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Help the Cylons

Published on 2006-10-06 by Mark VandeWettering

Tonight is the premiere of the new season of Battlestar Galactica. I found this picture on flickr, and it made me chuckle, so I thought ...

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I love postseason baseball!

Published on 2006-10-05 by Mark VandeWettering

I’m tempted to act like a shill and mindlessly repeat “I live for this!”, but it seems a little bit over the top. Still, the ...

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Simple Yahoo! Maps “Hack”

Published on 2006-10-02 by Mark VandeWettering

It is far too elementary and unclever to even be considered a hack, but I wanted to create a map that showed the location of ...

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All you can do is roll your eyes…

Published on 2006-10-02 by Mark VandeWettering

Before the presentations of the individual hacks at Yahoo! Hack Day, they showed a bunch of photos and then some short video clips from the ...

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HackDay 2006 and Where’s Mark?

Published on 2006-09-29 by Mark VandeWettering

I’m spending the day at the developer presentations at Hack Day 2006 at Yahoo in Sunnyvale. You can check out the pictures here . As ...

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Bug Attacks Germany!

Published on 2006-09-28 by Mark VandeWettering

From Google Maps, a continuation of my previous big bug theme . Quick, get those two tiny Japanese girls to summon Mothra! [tags]Big Bug,Google Maps[/tags] ...

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Mirror grinding machine

Published on 2006-09-27 by Mark VandeWettering

Courtesy of Hack A Day , here’s a pointer to all sorts of telescope making stuff, including a nifty mirror grinding machine . I’ve got ...

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Yahoo! Hack Day Is Coming

Published on 2006-09-27 by Mark VandeWettering

Yahoo! Hack Day Is Coming , and it looks like fate has conspired to force me to go. I’ve maxxed out my vacation time again, ...

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Arduino Microcontroller Board

Published on 2006-09-26 by Mark VandeWettering

How good of a microcontroller board can you get for $32 in quantity one? A pretty nifty one. My robotics project has stalled, but this ...

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ICFP proceedings

Published on 2006-09-26 by Mark VandeWettering

Courtesy of Lambda the Ultimate , it appears that the ICFP 06 is over, and some of their stuff is available online. In particular, I ...

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Two of My Pet Peeves

Published on 2006-09-25 by Mark VandeWettering

Blogs that don’t allow comments. Blogs which remove comments (real comments, not spam or abuse). I’m periodically deleting blogs in category 1 from my blogroll. ...

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Big Bugs!

Published on 2006-09-25 by Mark VandeWettering

Ants herding a caterpillar. VideoSift I for one welcome our new insect overlords. I’d like to remind them that as a trusted TV personality, I ...

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MT15 computer

Published on 2006-09-24 by Mark VandeWettering

This guy is even more crazy than me: he built a computer entirely out of surface mount transistors (well, nearly entirely, it’s got a few ...

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New Gadget: An Apple Macbook

Published on 2006-09-22 by Mark VandeWettering

Well, yesterday morning I got notification that my new Apple Macbook had shipped from Suzhou, China, and later that day, it had arrived in Anchorage, ...

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Trigonometry and Making Stuff

Published on 2006-09-21 by Mark VandeWettering

I must admit: I’m a bit of a math nut. Solving interesting mathematical problems makes me feel cool. But I must admit that I’ve suspected ...

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PeakStream, plus a story

Published on 2006-09-20 by Mark VandeWettering

This begins as a product announcement, but is really just a clumsy way of introducing a story. Flipping through my usual news sources, I’ve seen ...

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Why Programming is Hard…

Published on 2006-09-19 by Mark VandeWettering

If you get a degree in computer science, you end up taking classes on the theory of computation. Here you learn about something called a ...

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Time to Recite the Pirate Alphabet!

Published on 2006-09-19 by Mark VandeWettering

Aye… Eee…Arrr… Today be International Talk Like a Pirate Day . All ye scurvy dogs, brandish your cutlasses and send yer enemies to Davy Jones’ ...

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Bits on Pickles & Cucumbers…

Published on 2006-09-15 by Mark VandeWettering

I wrote a long rant about Scoble’s latest whine , but when I proofread it, I couldn’t imagine that anyone cares. Shortly after, I had ...

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You think I am hard on Microsoft?

Published on 2006-09-11 by Mark VandeWettering

Checkout some of the keywords from this article on the Guardian . “…elephantine parturition … Security vulerabilities come free with all version. … interminable corporate ...

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New PSP Game: Locoroco

Published on 2006-09-10 by Mark VandeWettering

Carmen bought me a new game for my PSP today: Locoroco I must admit, despite the fact that PSP hardware rocks all over the DS ...

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Quickest Patch Ever

Published on 2006-09-08 by Mark VandeWettering

While I’m still in a rant mode, try looking at Bruce Schneier’s latest column on Wired: Wired News: Quickest Patch Ever Now, this isn’t a ...

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HR 36 Assembly House Resolution

Published on 2006-09-07 by Mark VandeWettering

From our legislature… WHEREAS, Recent astronomical discoveries, including Pluto’s oblong orbit and the sighting of a slightly larger Kuiper Belt object, have led astronomers to ...

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It’s the Bombe!

Published on 2006-09-07 by Mark VandeWettering

Courtesy of Flutterby , it appears that the cryptography museum at Bletchley Park has actually completed construction of their Bombe , the machine designed by ...

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Grilled chocolate sandwich

Published on 2006-09-05 by Mark VandeWettering

Some of the people at works are real choco-holics. Hence: Grilled chocolate sandwich . Their suggestion? Use pound cake instead of bread. Damn, I’m off ...

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Introduction to Maya Hieroglyphs

Published on 2006-09-01 by Mark VandeWettering

I was trying to dust off some of my books (mostly unread and completely unabsorbed) about the Maya Calendar, and ran across Mesoweb Resources , ...

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Add Another Core for Faster Graphics

Published on 2006-08-30 by Mark VandeWettering

Lately, Intel has been trying to promote the idea that with the advent of multiple processor cores on their machines, raytracing computer graphics scene in ...

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ImageMagick Examples

Published on 2006-08-30 by Mark VandeWettering

While surfing, I stumbled upon this page of ImageMagick v6 Examples . It’s kind of strange, but I still do a rather large amounts of ...

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LibriVox

Published on 2006-08-29 by Mark VandeWettering

I was reminded recently of the existance of LibriVox : a site in which volunteeers read books and shorter works and creates public domain audio ...

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Estaban Loaiza, I apologize…

Published on 2006-08-29 by Mark VandeWettering

I’ll admit it, I was giving Oakland Athletics pitcher Esteban Loaiza a hard time. I can’t say it was totally undeserved. In the month of ...

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Cheap Gadget: Sandisk Sansa m230

Published on 2006-08-25 by Mark VandeWettering

I’ve been trying to get back into exercising at the gym more, which is always a time of intense boredom. I’ve brought my Axim x50v ...

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Microsoft Rant of the Day….

Published on 2006-08-25 by Mark VandeWettering

While putting in a dozen miles on the stationary bike, I was reading my blogs on my LG CU500, and found Robert Scoble’s post on ...

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First Ubuntu Billboard spotted

Published on 2006-08-25 by Mark VandeWettering

From the Ubuntu Blog: First Ubuntu Billboard spotted I really like Ubuntu. Might even lure me away from FreeBSD. [tags]Ubuntu,Linux,Open Source Operating Systems[/tags] ...

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Fixing an annoyance with the CU500

Published on 2006-08-23 by Mark VandeWettering

I mostly like my new LG CU500, although, like many gadgets, it’s not without its annoyances. For instance, the builtin WAP web browser is just, ...

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On a similar note, e

Published on 2006-08-23 by Mark VandeWettering

Yesterday I wrote a simple program in C to compute pi to a useless number of decimal positions. A few minutes of thought told me ...

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Take that, William Shanks!

Published on 2006-08-22 by Mark VandeWettering

Every once in a while, I get the urge to write a program for the sheer fun of it. I wrote my first (and second, ...

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Zombies Invade San Francisco!

Published on 2006-08-20 by Mark VandeWettering

Rats, I missed the zombie attack that happened in San Francisco yesterday. I was gonna go down there and snap some pictures, but life intervened, ...

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Tupper’s Self-Referential Formula

Published on 2006-08-19 by Mark VandeWettering

I was doing a bit of web research about quines, and came up with this link on Wolfram’s MathWorld website about this rather unusual formula: ...

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Pathological Programming in SNUSP

Published on 2006-08-18 by Mark VandeWettering

I have a pretty keen interest in programming languages, and sometimes this leads me to esoteric or even perverse extremes. For instance, I had fun ...

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Ripping 3gp Video with FFMPEG

Published on 2006-08-16 by Mark VandeWettering

I admit that I was spoiled to a certain degree by my old Motorola mpx220 smartphone: it would play windows media files, and with the ...

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Speed Test of the LG CU500

Published on 2006-08-16 by Mark VandeWettering

Josh wanted to know how fast the HSDPA networking built into my new LG CU500 is, and recommended going to http://www.dslreports.com/mspeed to check it out. ...

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My New LG CU500

Published on 2006-08-15 by Mark VandeWettering

Well, my venerable Motorola mpx220 has been acting unreliably lately, and after over two years of service, I figured it would be a good time ...

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Moonlight Perseids

Published on 2006-08-11 by Mark VandeWettering

Picking up the newspaper this morning, it reminded me tonight is the peak of the annual Perseid meteor showers. You can look on skytonight.com to ...

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Creation: The Time Fountain

Published on 2006-08-08 by Mark VandeWettering

Here’s an inspiring little project: The Time Fountain on cre.ations.net. Basically it is a tiny fountain which drops small drops of water tinted with a ...

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Stellafane 2006

Published on 2006-08-07 by Mark VandeWettering

Every year since time immemorial, the Springfield Telescope Makers hold a telescope making event called Stellafane. People get together to show off their telescope projects, ...

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Back from SIGGRAPH

Published on 2006-08-06 by Mark VandeWettering

Posting has been a bit light lately, mostly because I was off in Boston for SIGGRAPH. I’ll try to post a summary of some of ...

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First time at Fenway…

Published on 2006-08-01 by Mark VandeWettering

Yesterday I saw my first game at legendary Boston’s legendary Fenway Park. One of my fellow SIGGRAPH Sketch jurors, Daniel Maskit, had a spare ticket ...

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ICFP Programming Contest, 2006

Published on 2006-07-26 by Mark VandeWettering

Tom reminded me that the ICFP Programming Contest, 2006 was last weekend. I didn’t notice, nor did I have time to compete, but I really ...

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California ISO System Status

Published on 2006-07-25 by Mark VandeWettering

Somebody at work pointed me at the California ISO System Status page, which points out how many megawatts of power that California is consuming, and ...

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Zoo Trip and Prairie Dog Love

Published on 2006-07-23 by Mark VandeWettering

Yesterday the mercury crossed over 100 degrees here, so to stay out of the heat, we ended up going to the San Francisco Zoo. Mission ...

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Free at last!

Published on 2006-07-22 by Mark VandeWettering

Last night, I finally reached a breaking point. I have an aging 1.6ghz Sempron laptop that I was using to run Windows XP. I use ...

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Globe

Published on 2006-07-21 by Mark VandeWettering

I worked out some of the math for creating maps using the globular projection . The diagram below shows that it worked. I have a ...

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My Top 5 Must Read Blogs

Published on 2006-07-17 by Mark VandeWettering

Josh Bancroft decided to post My Top 5 Must Read Blogs , and I realized something: I hate blogs about blogging. And public relations. And ...

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Public Domain Art courtesy of the USNO

Published on 2006-07-14 by Mark VandeWettering

Some neat artwork from the U.S. Naval Observatory , including high resolution scans of some works by Hevelius, Flamsteed, and Bayer. Some of them are ...

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Funny Math

Published on 2006-07-13 by Mark VandeWettering

Without further explanation: [tags]Mathematics[/tags] ...

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The Trackball Telescope

Published on 2006-07-08 by Mark VandeWettering

Jerry Oltion designed created The Trackball Telescope , a telescope which rotates around on a spherical ball. It’s not that unusual to see these “ball” ...

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Windows Vista Feedback ~ Chris Pirillo

Published on 2006-06-30 by Mark VandeWettering

Apparently the thing that is most worthy of critical comment from Microsoft Vista is that fonts and colors don’t please Chris Pirillo . While these ...

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I don’t get Gnomedex

Published on 2006-06-30 by Mark VandeWettering

Can someone tell me what the point of Gnomedex actually is? I’ve asked this question before , and I’m still just as mystified. Josh has ...

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Is Podcasting “efficient”?

Published on 2006-06-27 by Mark VandeWettering

As pointed out by Robert Scoble , blogger Peter T Davis questions whether podcasts are an efficient means of content delivery . He says: But, ...

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Happy Kooks’ Day!

Published on 2006-06-26 by Mark VandeWettering

According to this article on blogcritics.org, June 26 is recognized as “Kooks’ Day”, a day dedicated to all things crazy and loony. This holiday was ...

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Baseball!

Published on 2006-06-25 by Mark VandeWettering

Friday night, the A’s stole a game with late inning heroics. Yesterday, the Giants returned the favor when Ray Durham hit a three run homer ...

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Virtual Percussion Objects

Published on 2006-06-23 by Mark VandeWettering

Ah, the occasional benefits of working at Pixar: UC Berkeley researcher Cynthia Bruyns is coming by today to give a technical seminar on her work ...

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Stunning views of Saturn’s Moons

Published on 2006-06-23 by Mark VandeWettering

Courtesy of the Bad Astronomy blog , check out these amazing pictures of Saturn’s moons taken by the cameras aboard the Cassini probe. [tags]Cassini,Saturn,Astronomy[/tags] ...

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Hitler or Coulter?

Published on 2006-06-22 by Mark VandeWettering

I missed three. In every case, I attributed statements to Adolph Hitler that were in fact actually made by Ann Coulter. In this respect, it ...

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Starting to Make Stuff

Published on 2006-06-22 by Mark VandeWettering

Sorry if I’ve been a bit distracted lately: there are a number of factors which are conspiring to keep me from updating my blog as ...

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Printable Robots

Published on 2006-06-22 by Mark VandeWettering

I’m on a bit of a robotics kick lately, so this article on the possibility of using inkjet printer technology to “print” robots was very ...

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Megabyte Does a Handstand

Published on 2006-06-19 by Mark VandeWettering

Megabyte is a robotic whirling dervish of destruction. I’ve seen him obliterate many a robot, throwing tires, axels, body armor in all directions. But I ...

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we hates software

Published on 2006-06-19 by Mark VandeWettering

Courtesy of Dan , I’m now subscribed to we hates software . Reading it is like group therapy for all that is frustrating with computers. ...

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Happy Anniversary to Me!

Published on 2006-06-17 by Mark VandeWettering

Today Carmen and I are celebrating our sixth anniversary! Thanks for putting up with all my crap honey! And now… a musical interlude. We are ...

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NASA – A Meteoroid Hits the Moon

Published on 2006-06-14 by Mark VandeWettering

Interesting report from NASA (with video) of a meteoroid striking the lunar surface . These are one particular type of transient lunar phenomena : temporary ...

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Sidenotes via JavaScript

Published on 2006-06-10 by Mark VandeWettering

I like the ability to create sidenotes. What are sidenotes? You can go here to find some JavaScript code that implements them. Neat. I’m not ...

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Carmen’s Burning Mouse

Published on 2006-06-10 by Mark VandeWettering

Carmen came down this morning with a mouse in her hand, asking “Should this thing be hot?” She of course knew the answer, “No”. I ...

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Risch algorithm

Published on 2006-06-09 by Mark VandeWettering

This is another one of those postings that I make almost entirely for my own benefit. Today at lunch I was having a discussion with ...

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Record meteorite hit Norway

Published on 2006-06-09 by Mark VandeWettering

Early reports are that a record explosion (measuring in the kiloton range) may have happened in Norway as a meteor crashed into it. More news ...

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How Pixar Made Cars

Published on 2006-06-08 by Mark VandeWettering

If you want some information about how Pixar made Cars, check out the comments on this thread on Digg . True, most of them are ...

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Identify this tree!

Published on 2006-06-06 by Mark VandeWettering

In Emigrant’s Pass, I stopped to take some photos from their stunning vista point. One of my pictures included this tree (click on it for ...

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Engines of Creation available online

Published on 2006-06-05 by Mark VandeWettering

In the late eighties, I was fascinated by the possibilities of nanotechnology as raised by Eric Drexler. Here we are twenty years later, and I ...

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Movie Review: The DaVinci Code

Published on 2006-06-01 by Mark VandeWettering

For the most part, the critics have been really panning The Da Vinci Code , the movie adaptation of Dan Brown’s hugely popular book of ...

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Indianapolis Motor Speedway

Published on 2006-05-28 by Mark VandeWettering

Just a fun little sight seeing via Google Maps: Indianapolis Motor Speedway . Update: a nasty freak accident sent a piece of a wing sailing ...

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Bee Picture

Published on 2006-05-28 by Mark VandeWettering

The cool thing about digital cameras is that you can just keep snapping pictures until you get one that you like. Check out the following ...

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Hacking the Hummer DTV Game

Published on 2006-05-25 by Mark VandeWettering

I found this rather nifty website detailing how you can hack a Hummer DTV Game that you can buy from Radio Shack for $18.00. Why ...

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Finished Me and My Katamari!

Published on 2006-05-24 by Mark VandeWettering

I really enjoyed the Katamari Damacy game for the PS2, so when I heard that there was a Katamari game for the PSP, I knew ...

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Liam’s Pictures from Old Books

Published on 2006-05-24 by Mark VandeWettering

Wow! An incredible website of pictures scanned from old books , nearly all of which are in the public domain. There are nice pictures of ...

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Happy Birthday Sir Arthur!

Published on 2006-05-22 by Mark VandeWettering

If you have a peek at the Google Search page , you’ll see that it features a Sherlock Holmes motif. That’s because May 22nd is ...

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Bay to Breakers!

Published on 2006-05-21 by Mark VandeWettering

Well, it’s 6:39AM, and I’m just about ready to head off to the Bay To Breakers, a 12K race (which I will be walking the ...

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San Francisco Arts on Fire

Published on 2006-05-19 by Mark VandeWettering

Last night, Carmen and I trudged off to see the San Franscisco Arts on Fire show at Candlestick Park. All sorts of artists which use ...

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STANFORD Magazine features Donald Knuth

Published on 2006-05-17 by Mark VandeWettering

STANFORD Magazine has a nice article about mathematician/computer scientist Donald Knuth , worth reading (as is virtually everything Knuth himself has written). [tags]Donald Knuth[/tags] ...

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Another question for Microsoft…

Published on 2006-05-17 by Mark VandeWettering

Scobleizer – Microsoft Geek Blogger » Microsoft Word generates clean HTML for blogs? Lots of Microsoft program managers push back and say “normal people don’t ...

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Night Pictures

Published on 2006-05-15 by Mark VandeWettering

Here’s a picture of the 36 inch telescope at Chabot Observatory, with an 8 second exposure and some GIMP work to bring out some of ...

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Marin Human Race

Published on 2006-05-14 by Mark VandeWettering

This weekend’s activity was Marin Human Race , a 4 mile race (which we did at a walk, naturally) in the neighborhood of the Marin ...

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Games, Puzzles and Computation

Published on 2006-05-12 by Mark VandeWettering

An as-yet unfinished draft of Bob Hearn’s MIT PhD thesis Games, Puzzles and Computation is online.  I first became aware of some of these ...

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Quote of the Day

Published on 2006-05-11 by Mark VandeWettering

John Kenneth Galbraith – Wikipedia, the free encyclopedia “It is a far, far better thing to have a firm anchor in nonsense than to put ...

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Happy Birthday to Me!

Published on 2006-05-10 by Mark VandeWettering

Ever do something stupid? I did. It’s my birthday. I’m finding it hard to be enthused about it. I wish I wasn’t so freakin’ retarded. ...

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Fuel for Rants

Published on 2006-05-09 by Mark VandeWettering

Richard Cohen thinks that algebra is highly overrated. Here’s the thing, Gabriela: You will never need to know algebra. I have never once used it ...

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The world has changed…

Published on 2006-05-08 by Mark VandeWettering

While flying back from Salt Lake City this evening, the fifty something year old women sitting next to me had a RAZR phone, a video ...

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Sketches Committee

Published on 2006-05-07 by Mark VandeWettering

You might have noticed that I’ve been a bit lax in updating my blogs. The reason is simple: I have been preparing for, and during ...

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Plasma Pong

Published on 2006-05-06 by Mark VandeWettering

Courtesy of Kevin Bjorke and a few extra minutes during our SIGGRAPH sketch committee meeting, check out Plasma Pong : a very strange pong game ...

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Ah, nothing like a 1-0 ballgame…

Published on 2006-05-02 by Mark VandeWettering

Especially when the A’s win! A terrific game against the Halos this evening. Barry Zito went 7 2/3 innings, getting 4 strikeouts, walking two, and ...

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The Fountain of all Programming Fonts

Published on 2006-05-02 by Mark VandeWettering

Keith Devens has a nice collection of Programming Fonts with links on his website. I must admit to liking the new Microsoft Consolas font, but ...

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Worldwide Pinhole Photography Day

Published on 2006-04-30 by Mark VandeWettering

Today is Worldwide Pinhole Photography Day : a day where a simple hole and the wave nature of light conspire to create art. I was ...

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SIGGRAPH 2006 Papers

Published on 2006-04-27 by Mark VandeWettering

This week I’m busy at work trying to complete dozens of SIGGRAPH sketch reviews, so it seems like an opportune time to present the usual ...

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From bits to bytes…to bots

Published on 2006-04-24 by Mark VandeWettering

Apparently Bruce Shapiro was showing his “eggbot” at the Maker’s Faire, but I didn’t get a chance to see it. But his instructions online give ...

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I made the big time!

Published on 2006-04-24 by Mark VandeWettering

Engadget mentioned me in their Maker’s Faire writeup! Yes! Front row! I hope my poor little server can handle the strain! [tags]Maker’s Faire,Atari,Atari 2600,Enigma[/tags] Addendum: ...

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Maker’s Faire Update

Published on 2006-04-23 by Mark VandeWettering

Well, I spent all day yesterday demoing my Enigma 2600 project in Hall A at the Maker’s Faire. I printed out sixty little info sheets ...

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The Enigma 2600

Published on 2006-04-19 by Mark VandeWettering

I’ll be showing off my Enigma 2600 at the Maker’s Faire this Saturday in San Mateo. Click on the link to read more about the ...

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Procrastination

Published on 2006-04-17 by Mark VandeWettering

I found the following chart of post office branches that will remain open late useful. Â Â Unfortunately. ...

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Birdhouse Webcam

Published on 2006-04-17 by Mark VandeWettering

Check out the cool video of a pair of tufted titmouses who are building a nest in a birdhouse that has been equipped with a ...

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Mathematical Musings on Baseball

Published on 2006-04-17 by Mark VandeWettering

My recent purchase of the book Baseball Hacks has made me dust off some my (I must admit impossibly rudimentary) knowledge of statistics and probability ...

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Le voyage dans la lune

Published on 2006-04-16 by Mark VandeWettering

Via archive.org, you can download a Divx copy of George Meiles Le voyage dans la lune. This classic 1902 silent film may qualify as he ...

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Jumpy eggs caught on camera

Published on 2006-04-13 by Mark VandeWettering

Good thing this isn’t my tax dollars at work: After two years of work, with a purpose-built steel machine wired up to high-speed cameras, microphones ...

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Incredible Machines

Published on 2006-04-13 by Mark VandeWettering

When the Japanese aren’t trying to figure out if spun eggs bounce, they are productively employed in constructing all sorts of incredible Rube Goldberg machines. ...

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Baseball Hacks

Published on 2006-04-12 by Mark VandeWettering

Sometimes you find a book that seems uniquely written for your interests: such is Baseball Hacks , the latest O’Reilly book in their illustrious “Hacks” ...

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MAKE: Build a Baird Televisor

Published on 2006-04-10 by Mark VandeWettering

A while back, I did some research on the early days of television, and provide some links that might help you create your own replica. ...

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CD quality field recording rig

Published on 2006-04-09 by Mark VandeWettering

It’s been some time since I posted anything of interest to the musicians in my target demographic, or those who are interested in field recording. ...

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How to pull an all-nighter

Published on 2006-04-08 by Mark VandeWettering

This blog article reminded me of a part of my life that is long past: the times of the all nighter.  Back in my ...

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Episode III: The Backstroke of the West

Published on 2006-04-05 by Mark VandeWettering

From one of our internal mailing lists, witness the mighty translating skills displayed in this illegal copy of Episode III. It’s strangely compelling. [tags]Engrish,Illegal DVD,Bad ...

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Tomorrow…

Published on 2006-04-04 by Mark VandeWettering

On Wednesday of this week, at two minutes and three seconds after 1:00 in the morning, the time and date will be 01:02:03 04/05/06. [tags]Moments ...

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Cartoon Version of Me

Published on 2006-04-04 by Mark VandeWettering

Today I had a bit of spare time, and so created a new avatar for myself using inkscape and an old photo. It’s not too ...

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Renaissance (2006)

Published on 2006-04-04 by Mark VandeWettering

During lunch today, we had a preview screening of the new French sci-fi film Renaissance (2006), I posted this review on imdb.com: I highly recommend ...

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Turn back the clock…

Published on 2006-03-31 by Mark VandeWettering

A couple of week’s ago, my old boss from my days in the RenderMan group, Tony Apodaca stopped into my office with a bit of ...

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Meet Me at the Maker’s Faire!

Published on 2006-03-31 by Mark VandeWettering

I’ve decided to pack up one of my geekiest projects, my Atari 2600 Enigma Machine and bring it to the Maker’s Faire in San Mateo ...

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The Great Robot Race

Published on 2006-03-31 by Mark VandeWettering

You can view the entire Nova episode The Great Robot Race on the PBS website. It is all about the 2nd DARPA Grand Challenge Race, ...

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Red State Rabble

Published on 2006-03-30 by Mark VandeWettering

Most often when I link to someone else’s blog, it is because a particular article has tweaked some small bit of my interest. These blog ...

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Picture Earth From Space

Published on 2006-03-29 by Mark VandeWettering

For some reason, today I decided to make a picture of the earth from space, using the NASA Blue Marble Next Generation dataset, some infrared ...

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Gospel of the Flying Spaghetti Monster

Published on 2006-03-27 by Mark VandeWettering

USA Today is running an article announcing the publication of The Gospel of the Flying Spaghetti Monster. You can order your own copy from amazon.com. ...

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Windows Vista Faces Crisis

Published on 2006-03-23 by Mark VandeWettering

It was announced today that Microsoft was facing a software crisis: their short sighted engineers only allocated space for a two digit total for the ...

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Excuse of the Day

Published on 2006-03-23 by Mark VandeWettering

I need to call in sick for work. I’ve got nintendonitis. (via my wife) [tags]Humor,Excuse,Nintendo[/tags] ...

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A Little GPS Hacking..

Published on 2006-03-22 by Mark VandeWettering

Today I learned something interesting while surfing the web: that somebody had made a simple program that can be used to compile your own custom ...

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In our lobby this morning…

Published on 2006-03-21 by Mark VandeWettering

Sometimes coming to work at Pixar surprises you with odd sights. Today, it was this Porsche Carrera in our atrium, which had been modified to ...

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Spring is Here!

Published on 2006-03-20 by Mark VandeWettering

Well, today is the the vernal equinox, known more informally as the first day of spring. It’s a blustery, rainy day here, and it probably ...

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Movie Review: V for Vendetta

Published on 2006-03-19 by Mark VandeWettering

Well, it’s Saturday again, and once again Carmen and I trundled off to the movie theater. In spite of our misgivings about the state of ...

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Yoda Cookies from ILM

Published on 2006-03-17 by Mark VandeWettering

Well, those generous guys at Industrial Light and Magic decided to send us cookies to help us celebrate Pixar’s 20 year anniversary. They were all ...

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As the world churns…

Published on 2006-03-17 by Mark VandeWettering

ReadyMade Blog has a nice article on making your own butter, ricotta cheese, or cottage cheese. Â I may give the ricotta a try sometime, ...

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NPR : Fun with DNA

Published on 2006-03-16 by Mark VandeWettering

This is just too cool! Need to make a few million nanoscale smiley faces? Rothemund has developed a computer program that can analyze a shape, ...

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Payment and Apology

Published on 2006-03-16 by Mark VandeWettering

A couple of days ago I pointed out the hypocrisy of Isaac Hayes in accepting payment for episodes of Southpark that ridiculed religion but adopting ...

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101 Cookbooks – Thin Mint Recipe

Published on 2006-03-15 by Mark VandeWettering

Have those little sirens of cookiedom (otherwise known as Girl Scouts) lured your diet onto the rocks with promises of Thin Mint cookies? Me too. ...

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Happy Pi Day!

Published on 2006-03-15 by Mark VandeWettering

Today is 3/14, also known as Pi Day. Wish a “Happy Pi Day!” to your coworkers, and be forever branded as a math geek. Bonus ...

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Drivel from Intelligent Design the Future

Published on 2006-03-13 by Mark VandeWettering

Oh dear. Check out Intelligent Design the Future: Percival Lowell, Mars and Intelligent Design Today’s Google icon pays homage to Percival Lowell, the 19th century ...

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Google a map of Mars

Published on 2006-03-13 by Mark VandeWettering

Carmen noticed that the Google home page had a logo that included a telescope looking at Mars. Â A moment’s digging revealed that there is ...

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Weekend Musings

Published on 2006-03-12 by Mark VandeWettering

Did you ever have one of those weekends when you had too much rattling around in your skull to make any headway on any of ...

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3D Lego Fractals

Published on 2006-03-10 by Mark VandeWettering

For the Lego fans out there, check out K’s Legobrot: 3D Lego Fractals. I ran across it while looking for something completely different.  The ...

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MRO to be new Mars moon on Friday

Published on 2006-03-10 by Mark VandeWettering

Phil Plait reminds us that in about three hours, around 10:30PST, the Mars Reconnaisance Orbiter will fire a 27 minute retro burn and enter a ...

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I don’t buy Bonds…

Published on 2006-03-09 by Mark VandeWettering

I often listen to sports talk shows while commuting (especially now that I’m on hiatus from my commute time podcasts and baseball season is coming ...

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Help me with a VOIP experiment…

Published on 2006-03-07 by Mark VandeWettering

I’ve been experimenting with voice-over-IP telephony using the Asterisk open source PBX system, and I’m at the point where I’d like you to help! I’ve ...

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Movie Review: Ultraviolet

Published on 2006-03-04 by Mark VandeWettering

Yesterday I took Carmen to go see the latest film in the genre of “hot chicks with weapons”: Ultraviolet starring Milla Jovovich and directed and ...

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Real Life Simpsons Intro

Published on 2006-03-04 by Mark VandeWettering

Just some early morning fluff courtesy of YouTube: someone filmed a real life version of the introduction to the simpsons. I’m guessing that it was ...

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Minor Earthquake

Published on 2006-03-02 by Mark VandeWettering

A few minutes ago, I noticed the second minor earthquake of the day. I estimated the strength to be a little lower than a three, ...

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Homebrew Photolab

Published on 2006-03-02 by Mark VandeWettering

By way of the ReadyMade Blog , check out how to use common kitchen ingredients like coffee as photographic developers. I’ve had an interest (mostly ...

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The World Baseball Classic

Published on 2006-03-02 by Mark VandeWettering

It begins today, with Korea playing Chinese Taipei at 6:30ET on ESPN. I don’t expect much from this particular game, but I must admit that ...

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Check out Re-Imagineering

Published on 2006-03-01 by Mark VandeWettering

I must admit: I haven’t a clue as to how the whole Disney-acquires-Pixar thing is going to work out, but I do know one thing: ...

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The Evil Dead (1981)

Published on 2006-02-28 by Mark VandeWettering

Well, Carmen and I haven’t gotten out to see many first run movies lately, but tonight Pixar’s Monday Film series stumbed on an old favorite: ...

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Tick destroying rover

Published on 2006-02-28 by Mark VandeWettering

Courtesy of hack-a-day comes this awesome story of a student project to make a robotic rover whose purpose is to eradicate ticks.  It basically ...

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M4 Message Breaking Project

Published on 2006-02-28 by Mark VandeWettering

You might have noticed if you are a long time reader of this blog that I’m fascinated by codes and ciphers, particularly the kind that ...

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Microsoft Ipod Packaging Parody

Published on 2006-02-27 by Mark VandeWettering

I laughed out loud. Scoble didn’t think it was funny, and just said “Ouch”. Of course all that is truly funny is true. This is ...

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Aztec + Lego

Published on 2006-02-25 by Mark VandeWettering

It’s a strange fact that any two words (or interests) that you might have will eventually find a webpage that illustrates them both. Of course, ...

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James Bond can’t drive a stick…

Published on 2006-02-24 by Mark VandeWettering

Okay, a total fluff link. How lame is it that actor Daniel Craig, poised to replace Pierce Brosnan as the latest James Bond, can’t drive ...

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Maps for ipod, the Juan Buhler way…

Published on 2006-02-21 by Mark VandeWettering

Juan Buhler (former SIGGRAPH sketch chair, current Pixarian, and cool street photographer) sent me a link to his cool idea for using the video ipod ...

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Pencil Drawing

Published on 2006-02-21 by Mark VandeWettering

Josh over at tinyscreenfuls is digging some of the fancy “pencil sketch” effects that the Mac can do with its internal camera. Â Back in ...

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Alcohol Breath Test Pen

Published on 2006-02-18 by Mark VandeWettering

The Only Pen a Drunk Could Ask For – Gizmodo So you’re at your favorite sports bar watching the big game with your friends. Before ...

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Happy Birthday Eric Byrnes!

Published on 2006-02-17 by Mark VandeWettering

Well, even though he’s no longer an Athletic, I’d like to wish Arizona Diamondback Eric Byrnes centerfielder a happy birthday. I loved to watch Byrnes’ ...

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A Complete Plan for DIY VoIP

Published on 2006-02-17 by Mark VandeWettering

I must admit, my experimentation with VOIP phones using my new Sipura SPA-3000 is going a bit slower than I like. Still, I hope to ...

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The Art of the H-Bomb

Published on 2006-02-17 by Mark VandeWettering

Courtesy of Bill Gurstelle’s Technology Underground , check out the U.S. Navy’s collection of paintings of nuclear tests on the Bikini atoll. Very cool stuff. ...

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Run Linux on a JuiceBox

Published on 2006-02-16 by Mark VandeWettering

Via the Make Blog, LinuxDevices tells you how to run linux on a JuiceBox. Â I bought one of these a while ago, and haven’t ...

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How you can be popular!

Published on 2006-02-15 by Mark VandeWettering

It’s been some time since I mocked Robert Scoble, mostly because I’ve mostly stopped reading him. I guess i just don’t find seesawing between promotion ...

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3D Painted Rooms – 2Loop.com

Published on 2006-02-14 by Mark VandeWettering

I’m just passing along a link from Eric’s email to me today: 3D Painted Rooms – 2Loop.com These rooms are painted so that, when looked ...

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Happy Birthday, Charles Darwin…

Published on 2006-02-13 by Mark VandeWettering

Q: If Charles Darwin were alive today, what would he be known for? A: Longevity. He’d be 197 years old. For some reason, churches around ...

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Bending Spacetime in the Basement

Published on 2006-02-13 by Mark VandeWettering

Gravity is a very, very weak force. Back in 1798, Cavendish used a torsion balance to try to estimate the value of G, the gravitational ...

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My New Lamp

Published on 2006-02-11 by Mark VandeWettering

Well, Scrappy did end up spending the night at the vets. They decided to anesthetize him, install a drain and then make him suffer the ...

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Lay Siege to Your Enemies!

Published on 2006-02-10 by Mark VandeWettering

Feel the need to lob tennis balls at those who oppose you? Try checking out these rather nice plans for a small trebuchet. With such ...

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HL2 Rube Goldberg Device: Reloaded

Published on 2006-02-10 by Mark VandeWettering

I remember seeing some of these Rube Goldberg devices setup using the Halflife 2 physics engine before, but not many are this elaborate and complicated. ...

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Poor Scrappy Redux

Published on 2006-02-10 by Mark VandeWettering

Well, it’s been about 11 months since our adopted cat Scrappy last got in a fight but he’s back at the vet’s today. He apparently ...

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Followup on Augustine Island Volcano

Published on 2006-02-09 by Mark VandeWettering

Several weeks ago, I blogged about the volcano on Augustine Island in Alaska, including a link to the Google satellite map of the area. Now, ...

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VoIP for free with the Sipura

Published on 2006-02-09 by Mark VandeWettering

According to my UPS tracking code, my Sipura SPA-3000 should be awaiting me when I arrive home today, and in a timely fashion, I found ...

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Parasites on the Brain

Published on 2006-02-09 by Mark VandeWettering

Just in case you didn’t have enough to worry about on this fine Thursday, check out this interesting article: Damn Interesting » Parasites on the ...

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Criminal Mastermind

Published on 2006-02-09 by Mark VandeWettering

Honestly, with criminals this smart, how hard can a cop’s job be? Lori Menzel of the town of Kewaskum said the burglar left his Yahoo ...

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I’m on the way out…

Published on 2006-02-08 by Mark VandeWettering

Find out how popular your name has been over the years. Â “Mark” seems to have peaked in popularity in the 1960s, while my dad’s ...

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LEGO Technic Difference Engine

Published on 2006-02-07 by Mark VandeWettering

Need I really say more? An implementation of Babbages Difference Engine, capable of evaluating 2nd and 3rd order polynomials with two or three digits of ...

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An Anniversary of Sorts…

Published on 2006-02-07 by Mark VandeWettering

Fifteen years ago today was my official hire date at Pixar Animation Studios. Because nobody works for a company for fifteen years anymore, I thought ...

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James Randi in the hospital

Published on 2006-02-07 by Mark VandeWettering

According to Phil Plait, James Randi ended up in the hospital for a heart problem that required bypass surgery.    Randi is probably ...

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Halftime! Steelers Win!

Published on 2006-02-06 by Mark VandeWettering

Seattle: 3 Pittsburgh: 7 Carmen’s got 0-0 and 6-7 in her football pool, and narrowly missed hitting either at the end of the first and ...

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HOWTO propagate an urban legend

Published on 2006-02-05 by Mark VandeWettering

Boing Boing presented a link to this: HOWTO cook an egg with two mobile phones The only problem? It doesn’t work. It can’t work.  ...

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DIY Projection clock

Published on 2006-02-01 by Mark VandeWettering

Courtesy of the Make Blog , go surf over and check out these instructions for building your own projection digital clock. Â The idea is ...

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WordPress 2.0.1 Release

Published on 2006-02-01 by Mark VandeWettering

Yep, it’s another release of WordPress, mostly fixing some open bugs/problems from the 2.0 release. I’ll be upgrading to this in the next couple of ...

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Warty Visitor

Published on 2006-01-31 by Mark VandeWettering

Well, this evening I was staring out the door into the darkness to see if our sometimes-feral cat Scrappy wanted to be let in for ...

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Blogzilla: DRM-a-go-go

Published on 2006-01-31 by Mark VandeWettering

What’s wrong with Microsoft’s DRM strategy: “We don’t want this technology to be available to every hobbyist. We need to keep the number of licensees ...

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Croaking

Published on 2006-01-31 by Mark VandeWettering

Using the multi-shot capability of my nikon, I grabbed sixteen small exposures of the frog croaking, extracted them, aligned them by hand, and made the ...

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Dark Chocolate Brownies

Published on 2006-01-31 by Mark VandeWettering

What can I say? Life sucks today, but there isn’t a day so bleak that isn’t improved by a massive plate of brownies. Over at ...

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Monday Malais

Published on 2006-01-30 by Mark VandeWettering

Well, I’d hoped to announce the results of some of my experimentation with Asterisk , but the weekend didn’t conspire with me very well. My ...

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70mph to zero in a Smart Car

Published on 2006-01-30 by Mark VandeWettering

I saw some of these little cars while in Paris, and of course wondered what they would be like in collisions. Check out the video ...

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Folding T-Shirts

Published on 2006-01-30 by Mark VandeWettering

If you haven’t mastered the cool Japanese way of folding T-shirts , you could always watch this video (complete with Nintendo soundtrack) on making a ...

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It’s a Small World After All…

Published on 2006-01-28 by Mark VandeWettering

Check out these cool landscape photos by Olivo Barbieri . He takes photos of landscapes, and then modifies them to make them look as if ...

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Simplest DIY motor demo

Published on 2006-01-26 by Mark VandeWettering

Courtesy of superpositioned.com , here’s just about the simplest motor that I can imagine. Only 4 parts (battery, wire, screw, magnet). Too cool. [tags]Science Fair[/tags] ...

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Sushi Eating HOWTO

Published on 2006-01-26 by Mark VandeWettering

I must admit: I love sushi. Even basic nigiri and sashimi show a degree of concentration that we don’t often see in the west.  ...

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My new PC…

Published on 2006-01-25 by Mark VandeWettering

Over the last couple of months, I had gradually decreased the number of computers in my office to just two (well, computers that have X86 ...

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Downgrading my Axim X50v

Published on 2006-01-25 by Mark VandeWettering

Well, I spent $40 for the Windows Mobile 5 upgrade for my Dell, and it’s been a pain in the ass ever since. Apparently I’m ...

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Busy Day

Published on 2006-01-25 by Mark VandeWettering

Well, today I was off at the O’Reilly Emerging Telephony Conference at the SF Marriot. I’m mostly an interested bystander of the VOIP universe, but ...

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A Tulip

Published on 2006-01-24 by Mark VandeWettering

Well, the tulip bulbs that I planted last October are finally blooming, and I grabbed my little Nikon 4500 and shot this photo just to ...

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NASA’s Top 10 Pictures

Published on 2006-01-23 by Mark VandeWettering

Need some fresh wallpaper for your computer Desktop? Try checking out NASA’s top 10 Pictures , including the rather nice pictures of an active lava ...

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The Irreversible Thermite Reaction

Published on 2006-01-21 by Mark VandeWettering

Burning a hole in a car with thermite Best quote: This is a car. It’s been chosen for destruction because it’s old, it’s white, but ...

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Sudoku enumeration

Published on 2006-01-20 by Mark VandeWettering

Here’s a page that answered some of my questions about Sudoku. Sudoku enumeration Now, if only it could answer the most pressing question I have: ...

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The unholy idiocy of philosophers

Published on 2006-01-18 by Mark VandeWettering

The unholy lust of scientists / It may be time to curtail public financing of scientific research I’ll only add that it might be time ...

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New Horizons in Hold

Published on 2006-01-17 by Mark VandeWettering

I’ve got Realplayer fired up and watching NASA TV and the impending launch of the Atlas V launch vehicle that will carry the NASA New ...

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Project Oberon

Published on 2006-01-17 by Mark VandeWettering

You can download a number of books on the Oberon system, designed at the Compter Systems Institute at the Swiss Federal Institute of Technology. This ...

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Flying Objects!

Published on 2006-01-16 by Mark VandeWettering

SimplyPhysics has a nice page of objects which have close encounters with the magnets inside MRI machines .  Now I know why people with ...

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Movie Review: Hoodwinked

Published on 2006-01-14 by Mark VandeWettering

Last night we had a screening of Hoodwinked , the new animated feature by director Cory Edwards and co-directed by Todd Edwards. It’s a retelling ...

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Sun: So close!

Published on 2006-01-13 by Mark VandeWettering

In another one of those “close, but no cigar” moments, Bill Joy remarks about the recent switch of Apple to Intel processors: “We got very ...

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Cooking For Engineers

Published on 2006-01-13 by Mark VandeWettering

Occasionally I’ll post about some of my culinary endeavors. A few years back I decided to start trying to improve the quality of the food ...

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School bus camper conversion

Published on 2006-01-12 by Mark VandeWettering

Courtesy of the new forum section of the Make blog, check out Jake von Slatt’s incredibly impressive conversion of a 1989 Thomas Saf-T-Liner bus into ...

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New Lego Blog

Published on 2006-01-12 by Mark VandeWettering

Another link courtesy of the make blog forums, this time for a brand spanking new [tag]Lego[/tag] blog. It’s too new to tell whether it’s going ...

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Alaska Volcano Observatory

Published on 2006-01-12 by Mark VandeWettering

In keeping with my recent reading on volcanos , here is a link to the Alaska Volcano Observatory which is observing the increasingly active volcano ...

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Lightbox JS

Published on 2006-01-11 by Mark VandeWettering

Here’s a useful little chunk of Javascript which can probably be put to good use on your website: Lightbox JS is a simple, unobtrusive script ...

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snowman 2006 – Google Video

Published on 2006-01-10 by Mark VandeWettering

One of the somewhat interesting features of Google Video is now that you can put video from Google into your webpage. Here’s a Snowman video ...

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MacWorld Announcements

Published on 2006-01-10 by Mark VandeWettering

Well, Steve is still up there, but the big news (as yet unreflected on the Apple website) is the announcement of a new Intel based ...

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Webcasts of Courses from UC Berkeley

Published on 2006-01-10 by Mark VandeWettering

Check out these free [tag]webcasts[/tag] of courses going on at UC Berkeley. Among the more interesting ones are Structure and Interpretation of Computer Programs and ...

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WordPress FeedBurner Plugin

Published on 2006-01-10 by Mark VandeWettering

Quite some time ago, I started using Feedburner to republish my RSS feed. It’s nice because you can actually see who is reading your blog ...

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Cooking with sugar

Published on 2006-01-10 by Mark VandeWettering

Dan Lyke’s Flutterby! has an interesting article on cooking with sugar. I haven’t looked into this as closely as Dan apparently has, but I am ...

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What’s Up 2006

Published on 2006-01-08 by Mark VandeWettering

Courtesy of Phil Plait of the Bad Astronomy Blog, here’s a link to a book entitled What’s Up 2006 , a collection of astronomy related ...

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What will Apple announce this week?

Published on 2006-01-08 by Mark VandeWettering

Well, it’s time for MacWorld San Francisco.  I’ve used the Democracy plugin to create a poll in my sidebar on the right. Any ideas ...

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Optical mouse based scanner

Published on 2006-01-07 by Mark VandeWettering

Courtesy of hack-a-day, a student did something which I thought was rather clever, he disassembled an optical mouse, and hooked the tiny image sensor (18×18 ...

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ScanJet Music

Published on 2006-01-06 by Mark VandeWettering

Wow, now that’s what I call a waste of time! Â The HP ScanJet apparently supports an unofficial command (documented in one of their old ...

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In Digital Music, Its Gates Vs Jobs

Published on 2006-01-06 by Mark VandeWettering

Om Malik writes about what he sees as an inevitable collision of industry juggernauts, Microsoft vs. Apple, Gates vs. Jobs in a battle for downloadable ...

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Fascinating glimpse into the past

Published on 2006-01-06 by Mark VandeWettering

Wow. You find some interesting things on the web when you look. Here’s dozen years of internal email for Atari , providing a fascinating glimpse ...

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Currency goes Bananas!

Published on 2006-01-06 by Mark VandeWettering

Check this out! Collectors go ga-ga over any bill which has a printing mistake, and this one is a doozy: a Del Monte banana sticker ...

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Christmas 1980

Published on 2006-01-05 by Mark VandeWettering

While i was home visiting my mom, we spent some time going through my mom’s collection of old photographs. We ran across this old Polaroid ...

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DD-WRT

Published on 2006-01-05 by Mark VandeWettering

Last night, I upgraded my Linksys WRT-54GS router to DD-WRT, a more flexible set of firmware with greater capabilities . It seems to work just ...

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All your bricks are belong to us!

Published on 2006-01-05 by Mark VandeWettering

As Tom Duff put it: Finally, after years of sitting on their robotic asses, Lego is showing Lego Mindstorms NXT this week at the Consumer ...

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I feel useful today…

Published on 2006-01-03 by Mark VandeWettering

There is an old joke about what men are good for: the punch line reads something like killing spiders, barbecue and oil changes.  I’d ...

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King Kong

Published on 2006-01-03 by Mark VandeWettering

Last night was the first opportunity that Carmen and I felt we could spare the three hours necessary to view Peter Jackson’s latest blockbuster film, ...

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Further Storm Updates

Published on 2006-01-02 by Mark VandeWettering

Well, not just one, but three four separate segments of the fence which borders the back property line are down. It’s now a job that ...

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Upgraded to WordPress 2.0

Published on 2006-01-02 by Mark VandeWettering

Well, I’ve upgraded to WordPress 2.0. Like all previous upgrades that I’ve performed, this one seems to have gone without a hitch, and all things ...

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Exterminate! Exterminate!

Published on 2006-01-02 by Mark VandeWettering

Courtesy of the Make Blog, here is a construction article on how to construct your own 1/4 scale Dalek . I’ve podcasted about creating your ...

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Back!

Published on 2006-01-02 by Mark VandeWettering

Whew. Back from my “vacation”. I-80 was open earlier today leaving Truckee, but it took 2 hours to go 4 miles to the area where ...

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Dangerous Ideas

Published on 2006-01-02 by Mark VandeWettering

Via metamerist , some new thinking to jumpstart the new year: The World Question Center asked lots of smart folks “What is your most dangerous ...

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Leap Seconds

Published on 2006-01-02 by Mark VandeWettering

Unnoticed amidst last night’s revelry was the passage of a scheduled leap second. If you ever wanted to know more about them, you could review ...

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Possible Downtime on January 2

Published on 2006-01-02 by Mark VandeWettering

I think I’m gonna try to upgrade to WordPress 2 on the 2nd. If you can’t reach this site, you’ll know what’s up. See you ...

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Weather!

Published on 2005-12-31 by Mark VandeWettering

It’s ugly ! I’m spending some time in Truckee, CA with some of my old college chums, and currently we are getting hammered by rain ...

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WordPress 2.0 Released

Published on 2005-12-27 by Mark VandeWettering

It appears that version 2.0 of WordPress is available for download . I’ll try to give a head’s up when I’ll upgrade. ...

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Using FFMPEG to make PSP video

Published on 2005-12-26 by Mark VandeWettering

I spent a little while trying to figure this out, apparently the -r argument is significant: ffmpeg -i superman_the_mechanical_monsters.mpeg \ -title "Superman: The Mechanical Monsters" ...

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Use Google Earth to Track Santa

Published on 2005-12-25 by Mark VandeWettering

He’s hopping around the Middle East as I type this. Google Earth is pretty cool for a free download too, so check it out. Ho ...

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Time for Christmas Pasta…

Published on 2005-12-25 by Mark VandeWettering

For tonight’s dinner plan, I’m doing the same thing that I did last year, a variation of Rachel Ray’s Christmas Pasta recipe . I find ...

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Moon to Occult Spica

Published on 2005-12-25 by Mark VandeWettering

Sadly, it won’t be visible here in California, but for much of the United States, Christmas morning will feature a rare occultation of Spica by ...

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Merry Christmas 2005!

Published on 2005-12-25 by Mark VandeWettering

To all the readers of my little experiment in self-therapy, I hope you all have a very Merry Christmas! ...

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iLog

Published on 2005-12-24 by Mark VandeWettering

You know what’s more useless than those tapes and DVDs of a fire burning in the fireplace? How ’bout the same thing, but formatted for ...

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DIY Laser Engraved Toast

Published on 2005-12-24 by Mark VandeWettering

Over the last few years, I’ve seen a number of eBay auctions for religious figures which appear spontaneously in grilled bread items. It seems to ...

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R.I.P. Brainwagon Radio

Published on 2005-12-23 by Mark VandeWettering

Well, I wish my experiment in podcasting was going out with a bang instead of a whimper, but for now, I’m closing the saga that ...

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It’s a Colorful Life!

Published on 2005-12-22 by Mark VandeWettering

Okay, I know this is an atrocity, but you might still find Recolored to be an interesting program for adding color to black and white ...

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Audio player WordPress plugin

Published on 2005-12-21 by Mark VandeWettering

I was looking for a nifty gadget to embed audio players inside WordPress posts. This was a nifty Audio player WordPress plugin that uses flash ...

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Kitzmiller et al. v. Dover School District

Published on 2005-12-20 by Mark VandeWettering

The 137 page decision in the Kitzmiller case in Dover Pennsylvania has been handed down: Kitzmiller Decision: Plaintiffs Prevail The proper application of both the ...

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Mistake Number…

Published on 2005-12-20 by Mark VandeWettering

Well, the last 48 hours has been fun. I am taking a few day off before Christmas to go visit my mom and brother up ...

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Microsoft Moves Graphics out of the OS

Published on 2005-12-17 by Mark VandeWettering

Techworld.com – Microsoft to move graphics outside OS kernel Microsoft will move the graphics for its next version of Windows outside of the operating system’s ...

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Golly Game of Life

Published on 2005-12-16 by Mark VandeWettering

I remember playing around with xlife and thinking it was a pretty good implementation of Conway’s cellular automata, but it’s got absolutely nothing on Golly ...

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The CDROM Crystal Radio

Published on 2005-12-16 by Mark VandeWettering

I’ve had this project in a pile of bookmarks that I was sorting through, and am linking it here so that I can find it ...

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Floam, Floam on the Range

Published on 2005-12-16 by Mark VandeWettering

Actually, you don’t need a range. This recipe has shown up in my inbox twice today, so I guess I have to blog about it. ...

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Podcasts? Humbug!

Published on 2005-12-15 by Mark VandeWettering

Penguin Books is releasing the classic Dicken’s tale A Christmas Carol as a podcast. Go here and you can subscribe to it, or just download ...

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Game Time With Milton Bradley

Published on 2005-12-14 by Mark VandeWettering

The Oakland Athletics announced that they acquired outfielder Milton Bradley and infielder Antonio Perez for top prospect Andre Ethier . It can’t really fault Beane ...

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Photo Fraud on Survivor!

Published on 2005-12-14 by Mark VandeWettering

Last night I watched the final episode of Survivor Guatamala (yeah, I know, reality television is the opiate of the masses, so sue me) and ...

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The Wireworld computer

Published on 2005-12-13 by Mark VandeWettering

I’ve been interested in cellular automata for a very long time, dating back to when I was a kid. One of the first BASIC programs ...

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Flash Boil!

Published on 2005-12-13 by Mark VandeWettering

A couple of days ago I mentioned the idea of supercooled water existing in liquid form well below the freezing point. Perhaps more dangerous is ...

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Paris By Night

Published on 2005-12-12 by Mark VandeWettering

Stumbleupon sent me to this incredible nighttime panorama of Paris taken somewhere near Notre Dame (you can see the big rosette window in one part), ...

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Phil Plait v. Bart Sibrel

Published on 2005-12-12 by Mark VandeWettering

Some of you may remember hearing the story about Apollo astronaut Buzz Aldrin punching some lunatic who was trying to badger him into swearing on ...

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A really boring math trick…

Published on 2005-12-11 by Mark VandeWettering

This showed up on digg, but turned out to be one of the most absurdly transparent “math magic trick” I’d ever seen. Imagine that your ...

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Terrible User Interface Design

Published on 2005-12-11 by Mark VandeWettering

Well, as a stop gap measure to replace my dead Philips DVP-642 DVD player, I went ahead and picked up a TruTech TT 320 DVD ...

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DVD Player Craps Out…

Published on 2005-12-11 by Mark VandeWettering

Bummer. My 6 month old Philips DVP-642 crapped out. Seems like the drive just went belly up, it doesn’t spin up at all or eject. ...

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Cuff him! He might get angry!

Published on 2005-12-09 by Mark VandeWettering

In today’s installment of “I Kid You Not”, 42 year old Donald Pirone was cuffed and cited when he handed a fellow passenger who was ...

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Color Photos taken 96 years ago!

Published on 2005-12-09 by Mark VandeWettering

This post does two things. It provides a link to a cool collection of antique color photographs taken by Sergei Mikhailovich Prokudin-Gorskii, and also tests ...

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3D Without The Glasses

Published on 2005-12-09 by Mark VandeWettering

A couple of weeks ago, I blogged about a screencast I did that showed how you could convert stereographs into red/blue 3D anaglyphs . Jim ...

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Supercooled Water

Published on 2005-12-09 by Mark VandeWettering

Courtesy from digg , check out this article with video dramatically demonstrating the freezing of supercooled water. If you ask most people with the freezing ...

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SETI@home a security risk?

Published on 2005-12-08 by Mark VandeWettering

This rather wacky report talks about the possibility that ETs could infect the earth’s computers with viruses by transmitting certain signals which cause (say) buffer ...

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What this geek did in Paris…

Published on 2005-12-07 by Mark VandeWettering

Microsoft blogger Robert Scoble is apparently over in Paris, and decided to blog about the stuff he did in Paris , of which he only ...

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Remember Girls!

Published on 2005-12-07 by Mark VandeWettering

The Free Information Society has links to a bunch of WWII era propaganda posters, including this rather amusing one linking promiscuity with dating Hitler . ...

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I just don’t get fashion

Published on 2005-12-06 by Mark VandeWettering

The world is just not fair. I mean really, if I wore this pink and black striped tie, people would laugh at me. But if ...

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CPU disappears in a puff of logic!

Published on 2005-12-04 by Mark VandeWettering

Check out this video on Google showing an overclocked AMD Duron vaporizing . They clocked it up in both frequency (3.8ghz) and I believe also ...

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Depth of field using 35mm lenses

Published on 2005-12-03 by Mark VandeWettering

This is kind of a crazy Rube Goldberg project for budding videographers: a scheme for creating depth of field using 35mm lenses . Most digital ...

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Canons are great!

Published on 2005-12-03 by Mark VandeWettering

Pixarian and Pentax camera user Juan Buhler sent out an email proclaiming that “Canons are great” linked to this rather expensive coffee table. Heh. ...

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A’s Baseball: Gone, but Not Forgotten

Published on 2005-12-02 by Mark VandeWettering

Well, it’s still several months till preseason baseball starts up, but there is still some baseball news going around. The Athletics scored free-agent Esteban Loaiza ...

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That’s no moon!

Published on 2005-12-02 by Mark VandeWettering

The Saturn probe Cassini snapped another nice photo of Mimas using the narrow-angle camera on October 13, 2005. It’s very nice, even if the sight ...

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Caffeine boosts short term memory

Published on 2005-12-01 by Mark VandeWettering

Austrian scientists have found that people are better able to remember a sequence of letters after taking 100mg of caffeine , otherwise known as a ...

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The Cinnamon Bear

Published on 2005-12-01 by Mark VandeWettering

Last year, I wrote a script to eek out one episode of the classic radio serial The Cinnamon Bear each day leading up to Christmas ...

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Update: It’s officially over!

Published on 2005-12-01 by Mark VandeWettering

I’m personally declaring that the whole “more cowbell” thing is officially over. It was funny when Walken did it. It was perhaps amusing the next ...

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Where is Patty O’ Cinnamon?

Published on 2005-11-30 by Mark VandeWettering

Each of the last two years, I’ve made mp3 files of the classic radio serial The Cinnamon Bear available here. This serial ran from November ...

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Sorry for the lack of updates..

Published on 2005-11-28 by Mark VandeWettering

I’ve been pretty quiet on the blog since before Thanksgiving, mainly because I’ve been doped up on expectorants in some attempt to shake this nasty ...

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Re: Why IP owners should worry

Published on 2005-11-25 by Mark VandeWettering

Slashdot recently linked to [this rather strange article by Melanie Wyne against the OpenDocument][1] standard. She’s apparently executive director of the [The Initiative for Software ...

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Happy Thanksgiving!

Published on 2005-11-24 by Mark VandeWettering

I’d like to take a moment to thank all of my readers and listeners and to wish them all the very best on this Thanksgiving ...

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It never fails…

Published on 2005-11-23 by Mark VandeWettering

I always seem to get sick around the holidays. Starting yesterday afternoon, my throat started getting sore, by the time I was home I had ...

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I hate CSI: Miami!

Published on 2005-11-23 by Mark VandeWettering

Oh, dear, lord. Could the episode I watched have been any more ridiculous? In the episode Urban Hellraisers , the plotline featured a gang of ...

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Those Geniuses at Apple

Published on 2005-11-22 by Mark VandeWettering

I bought Carmen a video iPod a few weeks ago, and she loves it. You can apparently play video on a regular TV, but you ...

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Planning a Thanksgiving Meal

Published on 2005-11-22 by Mark VandeWettering

I admire those people who cook fifteen different dishes from their cookbook that was handed down for ages. I just don’t have the kitchen or ...

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Physical Audio Signal Processing

Published on 2005-11-22 by Mark VandeWettering

While digging up a reference on digital waveguide synthesis, I found out that Julias O. Smith has published his textbook PHYSICAL AUDIO SIGNAL PROCESSING FOR ...

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Anaglyphs, in color!

Published on 2005-11-22 by Mark VandeWettering

Check these out with the red/blue 3D glasses. Kind of cool, huh? If you followed my tutorial on how to do this with black and ...

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The Core Pocket Media Player

Published on 2005-11-20 by Mark VandeWettering

I just noticed that there was a new version of The Core Pocket Media Player available. When I upgraded my Dell Axim x50v to Windows ...

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Problems with the $100 laptop

Published on 2005-11-18 by Mark VandeWettering

Lee Felsentstein writes about what he thinks are the Problems with the $100 laptop , and I think many of the issues he raises are ...

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More DIY Musical Instruments

Published on 2005-11-18 by Mark VandeWettering

By way of the Make Blog , check out this terrific collection of homemade musical instruments . I rather liked the Aeolian harp, and may ...

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Tinkering with Tinkertoys Zometool

Published on 2005-11-17 by Mark VandeWettering

Zome is a nerd toy that allows you create all sorts of amazing polyhedral models. Some people are more serious about them than others. Addendum: ...

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Schneier on the Sony Rootkit

Published on 2005-11-17 by Mark VandeWettering

Wired News is running a terrific editorial by cryptography and security expert Bruce Schneier. He poses a question that I hadn’t considered before: Initial estimates ...

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Sony, what were you thinking?

Published on 2005-11-16 by Mark VandeWettering

Dan Kaminsky has been trying to figure out how many sites have been infected by the Sony DRM rootkit. He found that over half a ...

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Strangely named products…

Published on 2005-11-16 by Mark VandeWettering

Josh over at tinyscreenfuls.com was off at the Portable Media Expo, and posted his photos on Flickr. Does anyone else’s mind go straight to the ...

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The Story of Eddie Gaedel

Published on 2005-11-16 by Mark VandeWettering

I must admit, I’m a fairly unschooled student of baseball history, which is part of the reason why I’m trying to read up on the ...

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Still more anaglyphs…

Published on 2005-11-16 by Mark VandeWettering

A bit racier, but kind of cool. Wish the source material had a bit better dynamic range. ...

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The Real Value of Podcasting

Published on 2005-11-15 by Mark VandeWettering

If you really are doing it for the love, why bother assigning a number to it? Let’s put it another way: if my goal is ...

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Insight of the day…

Published on 2005-11-15 by Mark VandeWettering

From Raph Koster’s Home Page: But there are no games that are user-built the way the web is. An interesting look into the destiny of ...

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More on Pat Robertson

Published on 2005-11-15 by Mark VandeWettering

Jim Rogan writes in the Philadephia Enquirer: Pat Robertson, bless his pointy little head, has done the good people of the Dover Area School District ...

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More thoughts from the weekend

Published on 2005-11-13 by Mark VandeWettering

clipclip seems cools This remote control seems promising I should experiment with simulated evolution . Google may be powerful, but it isn’t always obvious how ...

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Thoughts from the weekend…

Published on 2005-11-13 by Mark VandeWettering

I really should learn more about Squeak . The toplap guys are crazy . You can make interesting musical instruments out of PVC . ...

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Water Rockets

Published on 2005-11-10 by Mark VandeWettering

This week’s episode of Mythbuster attacks this Japanese gameshow video showing a would-be astronaut launched by pressurized water rockets . For those who haven’t seen ...

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Fun with ball bearings…

Published on 2005-11-09 by Mark VandeWettering

A couple of days ago I published some images that I made by shooting video of a shiny metallic juggling ball. I went out yesterday ...

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Partying in the for Street

Published on 2005-11-08 by Mark VandeWettering

Athletics closer Huston Street has won the 2005 American League Rookie of the Year . Street finished 2005 with a mark of 5-1 and 23 ...

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Bad Video Panorama

Published on 2005-11-07 by Mark VandeWettering

I’ve been playing a bit of with video taping reflections from a shiny reflecting ball, and then undoing the map to construct a 360 degree ...

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Chicken Little

Published on 2005-11-07 by Mark VandeWettering

This weekend’s movie was the new Disney animated film Chicken Little , starring the vocal talents of Zach Braff. Young Chicken Little is, well, a ...

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Groklaw on Plotline Patents

Published on 2005-11-04 by Mark VandeWettering

Wow. It’s hard to comprehend just how bad an idea plotlines patents actually are. I think I’ll need a bit more coffee before I could ...

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It’s not a bug…

Published on 2005-11-03 by Mark VandeWettering

I was scanning the right sidebar of my blog to see what ballplayers were born today, and uncovered what I (at first) thought must be ...

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First Light

Published on 2005-11-03 by Mark VandeWettering

Over the last couple of days I managed to skim a bunch of reports that scientists had discovered the light from stars which formed only ...

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Nice Font Archive

Published on 2005-11-02 by Mark VandeWettering

Lifehacker presented the SimplytheBest Fonts archive : a nice place to find free fonts. I liked the Vitamin font, and used it to create the ...

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Windows Live!

Published on 2005-11-02 by Mark VandeWettering

Microsoft announced “Windows Live” yesterday. What is it? Well, that seems to be the question of the hour. Apparently lots of Robert Scoble’s readers are ...

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The Haunted House, by Walter Hubbell

Published on 2005-11-02 by Mark VandeWettering

The Haunted House, by Walter Hubbell begins amusingly with this introduction: The manifestations described in this story commenced one year ago. No person has yet ...

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Happy Birthday Hack O’ the Day

Published on 2005-11-02 by Mark VandeWettering

I’ve been meaning to do a unique (well, fairly unique) hack for a while. I’ve had the database of major league baseball players from The ...

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Halloween Screening

Published on 2005-11-01 by Mark VandeWettering

Well, to avoid pigging out on tons of candy that we bought “for the kids”, we decided to spend Halloween doing something else (apologies to ...

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Halloween Music

Published on 2005-10-31 by Mark VandeWettering

Need a spooky mp3 for your halloween party? Try this brief mp3 of Bach’s Toccatta and Fugue in D minor. I created this myself from ...

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Success!

Published on 2005-10-30 by Mark VandeWettering

Well, I have achieved a modest amount of success! Yesterday, I burned my first EPROM for my Atari 2600 project. After figuring out what I ...

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Doom (2005)

Published on 2005-10-28 by Mark VandeWettering

Last night there was not that much going on, Tivo showed nothing really worth watching, the baseball season is over, and Carmen and I needed ...

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Congratulations White Sox!

Published on 2005-10-27 by Mark VandeWettering

Well, after spending five or so hours watching the game on Tuesday, I really didn’t feel like investing the same amount of time watching what ...

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Why Microsoft Sucks for Programmers

Published on 2005-10-27 by Mark VandeWettering

Charles Petzold has some interesting thoughts in his essay Does Visual Studio Rot the Mind? , but for me, it’s really this which illustrates why ...

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O’Reilly’s Retro Gaming Hacks

Published on 2005-10-26 by Mark VandeWettering

BoingBoing ran a short bit about the publication of a book after my own heart: Retro Gaming Hacks by O’Reilly. My own project just requires ...

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Digital Black and White

Published on 2005-10-26 by Mark VandeWettering

In an earlier post , I pointed at fellow Pixarian Juan Buhler’s awesome photography blog . Unfortunately, I missed our photoclub meeting, but he sent ...

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Getting video onto your iPod

Published on 2005-10-25 by Mark VandeWettering

Ars Technica has a nice article on cobbling together a collection of free tools to rip high quality video for the iPod on your windows ...

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Mars at Opposition

Published on 2005-10-25 by Mark VandeWettering

I haven’t blogged too much about things having to do with astronomy as of late, but last Friday I took time out of my normal ...

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Reprogrammable Genesis cartridge

Published on 2005-10-24 by Mark VandeWettering

Raphael Assénat created his own reprogrammable cartridge for the Sega Genesis so that he could give a try at writing his own homebrew games. I’ve ...

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The MINIX 3 Operating System

Published on 2005-10-24 by Mark VandeWettering

How did I miss this? Minix, the small OS designed by professor Andrew Tanenbaum to teach operating systems concets, is now in its 3.0 revision ...

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Cartoon for your video iPod

Published on 2005-10-24 by Mark VandeWettering

I took one of the Superman cartoons available from archive.org and tried various command line tools to make a version that would play on the ...

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Cleaning up old video…

Published on 2005-10-24 by Mark VandeWettering

While I was encoding videos over the weekend, I wrote a simple little filter to average consecutive frames to produce less noisy versions of title ...

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Could a new browser get you switch?

Published on 2005-10-23 by Mark VandeWettering

I like Firefox. It works well, robustly supports web standards, and generally is just a lot more pleasant than using Internet Explorer. Given that I’m ...

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You can take it with you

Published on 2005-10-22 by Mark VandeWettering

Well, my wife and I are coming up on our 11th anniversary of our first date, an important holiday which she leveraged to get me ...

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live-f1, a good hack

Published on 2005-10-20 by Mark VandeWettering

Scott Remnant is a bit of a Formula-1 buff, and so ran one of those cool Java applets that news agencies provide to keep track ...

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World Series: White Sox v. Astros

Published on 2005-10-20 by Mark VandeWettering

Well, the table has been set, and it’s going to be the White Sox vs. the Astros in the World Series beginning Saturday. Brad Lidge ...

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EPROM burner arrived…

Published on 2005-10-19 by Mark VandeWettering

Well, my EPROM burner from mcumall arrived, and I’m now got all the hardware bits ready to burn a cartridge for my old Atari 2600. ...

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Bill King passes away

Published on 2005-10-19 by Mark VandeWettering

Legendary Bay Area sports broadcaster Bill King passed away today, and I must admit, it bums me out. A great talent, I know him mostly ...

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Yarn… YARN!!!

Published on 2005-10-17 by Mark VandeWettering

Witness a pack of knitted zombies re-enact that classic Night of the Living Dead . Link courtesy of Boing Boing , who hardly need the ...

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Andromeda Galaxy in IR

Published on 2005-10-17 by Mark VandeWettering

Courtesy of the Bad Astronomy Blog , some very nice images of our closest galactic neighbor M31, the Andromeda Galaxy taken with the Spitzer telescope ...

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Comments now fixed

Published on 2005-10-17 by Mark VandeWettering

Mneptok let me know that comments on my blog were broken (I had forgotten to reinstall Image Magick when I upgraded the operating system). That ...

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Of Prions and People

Published on 2005-10-17 by Mark VandeWettering

Wow: another terrific article from The Panda’s Thumb , which is quickly becoming one of my favorite destinations on the web. This article is discussing ...

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DocuColor Tracking Dot Decoding Guide

Published on 2005-10-17 by Mark VandeWettering

Xerox printers use a watermarking technique to insert codes onto all printed documents from their Docucolor color laser printers. These identify date, time and printer ...

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Mysteries of the Universe Revealed

Published on 2005-10-15 by Mark VandeWettering

I admit it: I hate it when I don’t know stuff. I find not knowing what’s wrong with my car infinitely more annoying than knowing ...

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Big Blue Marble

Published on 2005-10-14 by Mark VandeWettering

NASA has released a series of Earth images entitled Blue Marble Next Generation , which includes maps of the entire earth rendered without clouds in ...

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Thought of the Day

Published on 2005-10-13 by Mark VandeWettering

I’m currently reading ::amazon(“0670033847”, “The Singularity Is Near”):: by Ray Kurzweil, and it’s kind of an over-the-top utopian view about the future. His basic hypothesis ...

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Origin of Noodleous doubleous

Published on 2005-10-12 by Mark VandeWettering

An awesome example of Intelligent Design , much more rigorous than the normal Intelligent Design hypothesis, and therefore is much convincing. ...

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Oldest noodles unearthed in China

Published on 2005-10-12 by Mark VandeWettering

Irrefutable evidence that the Flying Spaghetti Monster is behind all of modern society. The remains of the world’s oldest noodles have been unearthed in China. ...

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Expect some downtime today…

Published on 2005-10-11 by Mark VandeWettering

I’m probably going to have some intermittent downtime today as I work on upgrading my FreeBSD server box. Expect full functionality tomorrow. ...

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MAKE: Blog: Waffle-making robot

Published on 2005-10-10 by Mark VandeWettering

From the Make blog, an ingenious inventor has created a waffle making robot . And now, to impress my wife and her coworkers who are ...

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Free World Dialup

Published on 2005-10-10 by Mark VandeWettering

I spent some time this weekend playing around with Free World Dialup . What is that? FWD allows you to make free phone calls over ...

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Yahoo! Podcasts

Published on 2005-10-10 by Mark VandeWettering

Yahoo! has decided to try to break into the podcasting arena. Apparently you can even use their Yahoo! Music Engine to download and listen to ...

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More about pot roast…

Published on 2005-10-08 by Mark VandeWettering

I’ve mused about potroast before on my blog, but it’s such a great (and now overlooked) dish when it came up on Slashfood I thought ...

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The Long Now Foundation

Published on 2005-10-08 by Mark VandeWettering

BoingBoing reminded me that the Long Now Foundation has many of their very interesting seminars available for download via their online library. Far reaching, thought ...

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Cervical cancer jab ‘in a year’

Published on 2005-10-07 by Mark VandeWettering

From the “It’s fun to be a Luddite” file, witness this bit of news from the BBC that Merck’s new vaccine to prevent cervical cancer ...

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Traffic

Published on 2005-10-07 by Mark VandeWettering

I remember reading Russell Beattie’s blog, where he said that merely by posting something about the Apple or Macintosh, his traffic doubled or tripled or ...

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Cool Robotics Links From IBM

Published on 2005-10-07 by Mark VandeWettering

This Make post links to a cool IBM developerworks article on quick prototyping of robots. Many cool nuggest, including the use of cardboard to prototype ...

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‘Bride’ Stripped Bare

Published on 2005-10-07 by Mark VandeWettering

Editor’s Guild has a nice article on the creation of The Corpse Bride . Apparently the entire thing was shot with the Canon EOS-1D Mark ...

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Creationism in the Supreme Court

Published on 2005-10-07 by Mark VandeWettering

Panda’s Thumb reports on the ties between Supreme Court Nominee Harriet Miers and creationism . The Valley View Christian Church that she attends apparently has ...

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Note to self: beware portupgrade -R!

Published on 2005-10-06 by Mark VandeWettering

Well, last night I decided to try to fix a dangling problem with out of date versions of ImageMagick for one application completely unrelated to ...

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How not to lose stuff…

Published on 2005-10-05 by Mark VandeWettering

I suppose that I’m in many ways your typical smart geek: I can probably identify 95% of all the quotes from Futurama, but I have ...

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More retro programming…

Published on 2005-10-05 by Mark VandeWettering

Well, a few minutes of Postscript programming, and I created the label on the right for my Atari 2600 programming project. In the next couple ...

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Nifty Swag from Taiwan

Published on 2005-10-04 by Mark VandeWettering

My neighbor picked me up this very cute print of a cat when he was in Taiwan to thank me for taking care of his ...

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PidgeonBlog

Published on 2005-10-03 by Mark VandeWettering

Fellow Pixarian Jeff Pidgeon has a new PidgeonBlog to augment his Cafe Press Store Full O’ Swag . Follower’s of the Flying Spaghetti Monster might ...

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Verdict: I think its a stunt…

Published on 2005-10-02 by Mark VandeWettering

Wow, just when you think it couldn’t get any stranger in the Scobleized universe, we get this posting , quoting: Personal note to Steve Ballmer ...

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Serenity

Published on 2005-10-01 by Mark VandeWettering

We had a screening of the new Joss Whedon movie Serenity in our screening room at Pixar. I have been awaiting the movie ever since ...

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Some one has to say it again…

Published on 2005-09-30 by Mark VandeWettering

James Robertson doesn’t much like OPML or RSS as file formats, and tells us why : Ye gods, it’s time someone came out and said ...

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Cooking when Sick

Published on 2005-09-29 by Mark VandeWettering

Well, today is one of those rare days when I miss two days of work: I’m home sick with body aches, a headache, stuffed head, ...

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Architeuthis On Film

Published on 2005-09-28 by Mark VandeWettering

You might know him as the giant squid, and Japanese researchers Kubodera and Mori caught him on film when he attacked a bait trap 900m ...

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Turbo Slug

Published on 2005-09-27 by Mark VandeWettering

In a previous weblog posting , I mentioned that I had bought a Linksys NSLU2 NAS (networked attached storage) device that I was hacking away ...

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Another Scoble-ism

Published on 2005-09-27 by Mark VandeWettering

Scobleizer: Microsoft Geek Blogger Windows isn’t what whas broken. Windows DEVELOPMENT PROCESSES were what was broken. The two are intimately related. Can you honestly say ...

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The Intelligent Designer’s Prayer

Published on 2005-09-27 by Mark VandeWettering

The Intelligent Designer’s Prayer , courtesy of the Panda’s Thumb. Our Intelligent Designer, Who art in the unspecified-good-place, Unknown be Thy name. Thy flagella spin, ...

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Wifi for DS Homebrew

Published on 2005-09-26 by Mark VandeWettering

The Nintendo DS is kind of a cute little gadget, and what’s cool is that someone is already doing all the heavy lifting of getting ...

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Brainwagon Radio: A Podcasting Duet

Published on 2005-09-25 by Mark VandeWettering

I have a special treat in today’s podcast : my wife makes an appearance. We chat about our experience at Friday’s Oakland A’s game which ...

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Running NetBSD/vax

Published on 2005-09-24 by Mark VandeWettering

<img decoding="async" src="/images/vaxsmall.png" alt="Screendump of My Vax"/ class="centered"/> Well, above is a screendump of my latest computer acquisition: a Microvax 3800 which I installed NetBSD ...

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Gallery 2.0

Published on 2005-09-23 by Mark VandeWettering

I upgraded my Gallery to version 2.0. It seems really slick, and is supposedly more themable than the older version. Check it out . ...

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Grim!

Published on 2005-09-23 by Mark VandeWettering

Nola.com: NewsFlash – Poor New Orleans neighborhood floods again As many as 500,000 people in southwestern Louisiana, many of them already displaced by Hurricane Katrina, ...

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Finding Blogs in the Short Head

Published on 2005-09-22 by Mark VandeWettering

I’m always on the lookout for new blogs to read. Unfortunately, it is often hard to find blogs that are interesting. I suspect that is ...

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Bracing for Rita

Published on 2005-09-22 by Mark VandeWettering

Josh mentioned this Houston blogger as one of those who is going to remain in his home and ride out the storm. I’ll be checking ...

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Happy Birthday Adam!

Published on 2005-09-21 by Mark VandeWettering

Well, Adam doesn’t read my blog, but today is his birthday. Happy Birthday, Kiddo. His girlfriend is coming into town this weekend, so we’ll be ...

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XGameStation

Published on 2005-09-20 by Mark VandeWettering

I mused about a retro-style game console in today’s podcast, and over lunch I found xgamestation.com , who manufactures a simple video game system which ...

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Oakland 7, Minnesota 1, 2, 3, 4, 5 6!

Published on 2005-09-20 by Mark VandeWettering

Whew. It’s September, and the A’s were two games back of division leading Anaheim going into last night’s game. Carmen had some homework to do, ...

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Google WiFi?

Published on 2005-09-20 by Mark VandeWettering

Rumors have been flying around lately that Google will introduce some kind of wireless service, but now Google itself seems to be nearing some kind ...

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htaccess Cheatsheet

Published on 2005-09-19 by Mark VandeWettering

My recent attempts to block hotlinking made me search for a few minutes to find the information contained on this handy htaccess cheatsheet . It’s ...

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Théorie de la spéculation

Published on 2005-09-19 by Mark VandeWettering

I’m currently reading Poundstone’s book Fortune’s Formula , and am up the the part which discusses the French mathematician Bachelier, and his thesis that the ...

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Telescopes are cool…

Published on 2005-09-19 by Mark VandeWettering

Contrary to appearances, I actually try to read blogs of people who are perhaps a bit different than me. I do this to help fight ...

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The Basics Work…

Published on 2005-09-19 by Mark VandeWettering

Well, a couple more hours of debugging has made the basics of my Atari 2600 project work. Have I mentioned what it is yet? No? ...

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San Pablo Dam Excursion

Published on 2005-09-18 by Mark VandeWettering

For reasons which actually remain entirely unclear, my wife has been muttering about renting a boat at the nearby San Pablo Dam and taking it ...

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How to tell if you’re a racist…

Published on 2005-09-18 by Mark VandeWettering

Some stories just make you shake your head . “I’m not racist or anything,” he said. “It’s just, some people I hate, some people I ...

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Blargg’s Video Game Sound Emulation

Published on 2005-09-17 by Mark VandeWettering

I was digging information up on old 8-bit video game ystem, and found Blargg’s Video Game Sound Emulation , which has some nice information and ...

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Still more 2600 hacking…

Published on 2005-09-15 by Mark VandeWettering

Well, today I added a block cursor that I could move around (first real time I’ve written a general motion code for the player missile ...

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Corporate Blogging

Published on 2005-09-15 by Mark VandeWettering

Boing Boing thinks that the Juicyfruit gum blog blows chunks for many of the same reasons that I mentioned in response to a WSJ article ...

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PDC Scorecard

Published on 2005-09-14 by Mark VandeWettering

Robert Scoble thoughtfully provided a list of all the revolutionary stuff he thinks is being introduced at PDC . To his credit, he includes links ...

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Progress on Programming the Atari VCS

Published on 2005-09-14 by Mark VandeWettering

My Atari 2600 programming projects needed two displays to enter characters on, so I built a little 5×6 matrix of characters (six characters are about ...

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TiVo turns to the dark side…

Published on 2005-09-14 by Mark VandeWettering

Sigh. I’ve been flaming Microsoft for not listening to its customers, so it is sad to see that TiVo has decided to screw their customers ...

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Camera Phone Test Image Gallery

Published on 2005-09-14 by Mark VandeWettering

Despite remarkably inconsistent remarks about the pictures (many are labelled with “sharp” which are not very sharp, and some are labelled “unacceptably blurry” which actually ...

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Platitudes Reach High Altitudes

Published on 2005-09-13 by Mark VandeWettering

I’ve been following the PDC blogging a bit this morning, and I can’t help but think that there is very little meat that is actually ...

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Press Your Luck

Published on 2005-09-12 by Mark VandeWettering

A crazy story I found while using Stumble Upon: Press Your Luck . As someone once said: The generation of random numbers is far too ...

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I won’t be buying an Xbox 360

Published on 2005-09-12 by Mark VandeWettering

It’s just not that I bought an original Xbox that died a month out of warranty (so Microsoft decided I needed to send them $129 ...

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Using Geraniums as Photo Paper

Published on 2005-09-12 by Mark VandeWettering

I have seen lots of wacky science projects before, but I hadn’t seen this one before. Basically, the idea is to project a bright image ...

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The Exorcism of Emily Rose

Published on 2005-09-11 by Mark VandeWettering

Last night’s movie was The Exorcism of Emily Rose , which appears to be getting the lion’s share of this weekend’s box office. Despite the ...

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A Year of Podcasting

Published on 2005-09-10 by Mark VandeWettering

One year ago today, I did my first podcast . I didn’t even call it a podcast, I think the term was yet to be ...

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More on Scoble…

Published on 2005-09-09 by Mark VandeWettering

I must admit, I find Robert Scoble to be a fascinating blogger. I think it is because I see him just as a person who ...

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Telecrapper 2000

Published on 2005-09-08 by Mark VandeWettering

Brilliant , courtesy of www.hackaday.com . First the TC2K computer (any standard PC) is connected to the phone line via a Caller ID modem or ...

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Katrina Damage

Published on 2005-09-08 by Mark VandeWettering

My brother-in-law is in Alabama helping out kidney dialysis patients. He sent my sister this photo, which she notes: This was taken in alabama, Dave ...

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More Retro Programming

Published on 2005-09-07 by Mark VandeWettering

I’ve been mucking around more with programming the Atari 2600, and have just begun to figure out the vagaries of moving the player missiles around. ...

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FPGA CPUs

Published on 2005-09-06 by Mark VandeWettering

This dive into the world of retro computing has rekindled my interest in field programmable gate array technologies. I found this page which contains interesting ...

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Retro Programming

Published on 2005-09-06 by Mark VandeWettering

From time to time, I get this curious nostalgia for the computers of my youth. Don’t get me wrong: I love having megaflops to burn, ...

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He didn’t just say that, did he?

Published on 2005-09-02 by Mark VandeWettering

Oh dear lord. President Arrives in Alabama, Briefed on Hurricane Katrina We’ve got a lot of rebuilding to do. First, we’re going to save lives ...

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Astrophotographs from Australia

Published on 2005-09-02 by Mark VandeWettering

While looking for an entirely different CD full of image, I uncovered the original PhotoCD that my friend Jeff Eaton and I made when we ...

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Drowning New Orleans

Published on 2005-09-01 by Mark VandeWettering

Scientific American published this article back in 2001. A major hurricane could swamp New Orleans under 20 feet of water, killing thousands. Human activities along ...

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Testing Missiles

Published on 2005-09-01 by Mark VandeWettering

Well, the destruction (and hopefully, eventual replacement) of my old rotting redwood retaining wall has begun. The guys really tore it up good today, hopefully, ...

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Bye Bye, Freeloaders

Published on 2005-08-31 by Mark VandeWettering

I received an email a couple of days ago from someone who thoughtfully noted that someone was stealing bandwidth from my by hotlinking to images ...

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Can you tell when people lie to you?

Published on 2005-08-30 by Mark VandeWettering

Lisa WIlliams provided an interesting link to this Science article which suggests that most people are very poor at detecting liars . Catastrophically, most people ...

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SIGGRAPH 2005 Post Mortem

Published on 2005-08-29 by Mark VandeWettering

Leo has shamed us all by writing up a webpage detailing all the things he found interesting at SIGGRAPH 2005 . Very nice. ...

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Katrina comes ashore

Published on 2005-08-29 by Mark VandeWettering

As I awaken, news reports are coming in from Lousiana and Mississippi regarding hurricaine Katrina. It doesn’t sound too good. They lowered the storm swell ...

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My Day

Published on 2005-08-28 by Mark VandeWettering

Most of the time when I bother to blog about things that are going on in my life, I tend to do it in the ...

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HOW TO make DVD Panoramas

Published on 2005-08-25 by Mark VandeWettering

Another cool project linked from Make: HOW TO make DVD Panoramas . The idea is simple: find a DVD that has some panning panoramic shot, ...

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Google Talk

Published on 2005-08-24 by Mark VandeWettering

Everyone is running articles about Google Talk this morning. Apparently Google has settled on the Jabber protocol for instant messaging (gasp, a standard) and has ...

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First Google Talk

Published on 2005-08-24 by Mark VandeWettering

Gordon Smith became my first contact on Google Talk, and mentioned that it was below freezing where was, which happens to be in rural Australia, ...

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I’ll put this on my bumper…

Published on 2005-08-22 by Mark VandeWettering

Over at boingboing, bpowah has designed a “walking fish” graphic for Pastafarians . I love it. I want one for the bumper of my car. ...

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Flickr Magazine Maker

Published on 2005-08-21 by Mark VandeWettering

Fun toy of the day: a gadget to make phony magazine covers from Flickr Photos . Yeah, I know, every blog in the universe has ...

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I’m converting to Pastafarianism

Published on 2005-08-20 by Mark VandeWettering

I got a chuckle out of this. Anyone who looks to Kent Hovind as the intellectual juggernaut of Creationism is obviously about as smart as ...

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Macro Photography Rig

Published on 2005-08-20 by Mark VandeWettering

Hack A Day has a link to an article about constructing a rig to take macro photographs . It’s a cool gadget which uses a ...

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Applied Geometry homepage

Published on 2005-08-18 by Mark VandeWettering

This is mostly just a reminder to myself to look on the Applied Geometry homepage for these course notes on Discrete Differential Geometry . ...

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Fluid Simulation for Games

Published on 2005-08-17 by Mark VandeWettering

Every once in a while, it disturbs me that there are parts of the computer graphics world that I rarely delve into, and simulation near ...

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Dr.Weil on EGCG

Published on 2005-08-16 by Mark VandeWettering

The other day I was watching TV and saw an advertisement for One a Day Weight Smart Vitamins . Most of the diet plans that ...

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Virtual Street Reality

Published on 2005-08-15 by Mark VandeWettering

From one of our internal mailing lists at work, here is a link to some of the work of English street artist Julian Beever. His ...

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Dr. Macro’s High Quality Movie Scans

Published on 2005-08-15 by Mark VandeWettering

Need some cool high resolution scans of old time Hollywood actors and actresses? Look no further than Doctor Macro’s High Quality Movie Scans . Courtesy ...

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SMS Message Courtesy of Yahoo!

Published on 2005-08-15 by Mark VandeWettering

I found out that you can use this link to send SMS messages via Yahoo! . Cool. I bet you could script this pretty easily ...

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A Homemade PBX

Published on 2005-08-14 by Mark VandeWettering

Frequent readers of this blog will note that I’m a bit of a gadget junkie, and I’m particularly interested in people who build rather than ...

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Stealth

Published on 2005-08-12 by Mark VandeWettering

Warning, there will be spoilers below, so if you haven’t seen the movie, don’t read further than this paragraph. I liked the movie, thought it ...

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The Tears of Saint Lawrence

Published on 2005-08-11 by Mark VandeWettering

This weekend marks the annual return of the Tears of Saint Lawrence: better known to those of us in the amateur astronomy community as the ...

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A’s Lead the AL West

Published on 2005-08-11 by Mark VandeWettering

For the second day in a row, the A’s pull out a come from behind victory over their rivals in the AL West, the Somewhere ...

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Nightline discusses Intelligent Design

Published on 2005-08-11 by Mark VandeWettering

You can download the torrent of last night’s episode of Nightline which discusses Intelligent Design here . I’ll review and let you know what I ...

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Digital Black and White

Published on 2005-08-10 by Mark VandeWettering

Courtesy of the Make blog, here is a nice article on using Photoshop to make better digital black and white photographs . The tutorial is ...

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Paul Phillips on evolution vs. ID

Published on 2005-08-10 by Mark VandeWettering

I began reading Paul Phillips’ blog when Wil Wheaton mentioned that he was a poker player and a regular blogger. I’ve since found out that ...

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Apologies for the downtime..

Published on 2005-08-06 by Mark VandeWettering

While I was off at SIGGRAPH, I had a problem with Comcast which unfortunately took a few days to resolve and resulted in some downtime. ...

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Hot Damn! Go A’s

Published on 2005-08-03 by Mark VandeWettering

Back on May 29th, I bitched about it being tough to be an A’s fan . On that day, they were 17-32, and looking at ...

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Back at SIGGRAPH…

Published on 2005-08-01 by Mark VandeWettering

Sorry to both all of my loyal readers, but I’ve been off with the family enjoying a brief vacation stint at Disneyland. We took the ...

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Doomsday Algorithm

Published on 2005-07-28 by Mark VandeWettering

Need to do calendar calculations in your head? Try this page which describes Conway’s Doomsday Algorithm , with lots of good links. Note: I found ...

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List of unusual deaths

Published on 2005-07-28 by Mark VandeWettering

Think you are having a bad day? Try the Wikipedia list of unusual deaths . At least no vultures have mistaken my head for a ...

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New “business” card…

Published on 2005-07-26 by Mark VandeWettering

I’ve been thinking for quite some time that I need to make some cards that I can hand out to people when I meet them ...

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Shuttle Discovery Launch Today?!

Published on 2005-07-26 by Mark VandeWettering

I’m watching the live feed on NASA TV. They are in a pre-programmed hold at 9:00 till launch, which should go on for another twelve ...

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Microsoft Virtual Earth is out…

Published on 2005-07-25 by Mark VandeWettering

This is getting a lot of play everywhere, but Microsoft’s new mapping application, Virtual Earth is now live. In most respects, I find it very ...

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Humble Pie

Published on 2005-07-25 by Mark VandeWettering

If there is ever a time that I seem like I sound too smug and self assured, just whisper “39th out of 40, and only ...

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Need more help with color blending?

Published on 2005-07-23 by Mark VandeWettering

I’m hopeless when it comes to color. But ColorBlender.com has a really nice interface that allows you to match and generate color palettes. Fun. ...

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Extra Stuff: Gambling Ramblings

Published on 2005-07-22 by Mark VandeWettering

I picked up a new book on my trip to Reno: Extra Stuff: Gambling Ramblings by Peter Griffin. Griffin is the author of one of ...

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Pixar Motorama 2005

Published on 2005-07-22 by Mark VandeWettering

Every year Pixar has a small auto show. People who work here bring in some of their classic cars, and a couple of local dealers ...

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Anyone going to SIGGRAPH?

Published on 2005-07-21 by Mark VandeWettering

I’ll be trundling off to SIGGRAPH at the end of the month. Any attendees (who I don’t see everyday at lunch here at Pixar) want ...

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On the Free Software Ecosystem

Published on 2005-07-21 by Mark VandeWettering

Apparently some people concerned that recent donations to the Drupal project are being used to buy computers from Dell, an operation which has done relatively ...

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Teaching a spam filter to play chess

Published on 2005-07-21 by Mark VandeWettering

Sometimes I’m amazed by webpages which answer profound or trivial questions that I’ve asked myself before. This time, I’m more amazed that someone would work ...

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The Wall

Published on 2005-07-21 by Mark VandeWettering

The Internet Archive has a version of the 1962 documentary The Wall about the first year of the Berlin Wall, including the murder of Peter ...

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DIY Stonehenge

Published on 2005-07-21 by Mark VandeWettering

Discovery Channel Canada has a cool video about Wally Wallington, a gentlemen from Michigan whose hobby is trying to duplicate the construction efforts of the ...

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Holy crap it is hot!

Published on 2005-07-20 by Mark VandeWettering

Driving back from Reno, and man is it hot! Thank you science for air conditioning. Update: It hit 108 degrees a few miles further down ...

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Relaxing

Published on 2005-07-18 by Mark VandeWettering

Nothing like relaxing with your new pair of Converse AllStars. ...

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What the heck is an “anti-reaction”?

Published on 2005-07-16 by Mark VandeWettering

Microsoft propaganda minster Robert Scoble has remarked that news that Longhorn will prevent playback of DRM’ed video unless it is to a sufficiently “secure” or ...

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Treason, Okay, Violence, Okay, but Sex?

Published on 2005-07-15 by Mark VandeWettering

I’ve been tracking Wil Wheaton’s amusing anecdotes about competing in the 2005 WSOP, but today the poker muse must have temporarily vacated him only to ...

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JuiceBox Revisited…

Published on 2005-07-15 by Mark VandeWettering

In a previous blog entry , I mentioned that I had picked up a $12 Mattel Juicebox that I was thinking about hacking. I’ve done ...

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So Long, Thanks for the Fish

Published on 2005-07-14 by Mark VandeWettering

It’s kind of a sad day for this Athletics fan. The A’s have been busy on the trading block, and have dealt two of my ...

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Gutenberg Gem: The Manual of Heraldry

Published on 2005-07-13 by Mark VandeWettering

Need to brush up on your heraldry before donning your armor and traipsing off to the Rennaissance Fair? Try checking out Project Gutenberg’s illustrated version ...

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Miggy wins MVP of the Allstar Game

Published on 2005-07-13 by Mark VandeWettering

One of my favorite Athletics, and now my favorite Oriole, Miguel Tejada just won himself a Corvette for his performance as All Star MVP. Congrats ...

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Electrostatic Machines

Published on 2005-07-12 by Mark VandeWettering

While sorting through some books that I had stacked on my floor, I found ::amazon(“0071373233”, “Homemade Lightning”):: on my shelf. Building a Wimhurst static machine ...

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The Incredible Edible Egg

Published on 2005-07-11 by Mark VandeWettering

Courtesy of lifehacker , here is the account of one intrepid hacker attempting to learn the secrets of egg poaching . Interestingly, he comes up ...

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Today’s T-shirt

Published on 2005-07-11 by Mark VandeWettering

Today’s T-shirt comes from a simpler time, a time when computers had only eight bits, and all colors were simple primaries. It is just beginning ...

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Fantastic 4

Published on 2005-07-10 by Mark VandeWettering

Yesterday I went out and caught the newest Marvel movie release Fantastic Four , the story of four (well, five really) individuals who are, who ...

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Sh*t metal screws…

Published on 2005-07-10 by Mark VandeWettering

I, of course, meant “sheet metal” screws. Ever notice how the simplest tasks can become annoying because of abject stupidity? Consider this mornings tiny project: ...

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Home Improvement, Round 2

Published on 2005-07-10 by Mark VandeWettering

Not content with merely screwing up one minor job, I had to go back to the well of human despair for a second time today. ...

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People helping people…

Published on 2005-07-08 by Mark VandeWettering

What doesn’t get reported in the media enough is all the little kindnesses that people can pay to one another when trouble unites them. I ...

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Upgrade to WordPress

Published on 2005-07-06 by Mark VandeWettering

I upgraded to WordPress 1.5.1.3 to help keep security up to scratch. I apologize for any temporary snafus. Polls seem not to work properly in ...

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Some 4th of July Links

Published on 2005-07-05 by Mark VandeWettering

Need some audio material? Try the Colonial Williamsburg Past to Present Podcasts . Or, you could just download The Declaration of Independence, available from Project ...

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Fireworks

Published on 2005-07-05 by Mark VandeWettering

Well, last year I recorded a simple quicktme of the fireworks using my little Nikon 4500 from Jack London Square. This year, I decided to ...

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Deep Impact, the Movie

Published on 2005-07-05 by Mark VandeWettering

<br /> </table> <p> Check out this movie of the impactor as viewed from the flyby spacecraft. Cool. </p> ...

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Pictures of Pennies

Published on 2005-07-04 by Mark VandeWettering

Got a few pennies lying around? Try building some of these impressive structures . Have lots of dollars? Try this page instead . Hey, you ...

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No Dinosaurs Left on Tempel 1

Published on 2005-07-04 by Mark VandeWettering

Tonight the Deep Impact space probe impacted Comet Tempel 1. I’m watching the coverage life on NASA TV. We can expect to see a photo ...

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Project Cryo

Published on 2005-07-03 by Mark VandeWettering

Need a kooky craft project for geeks? Look no further than Project Cryo , a spiffy mod to your mouse to… well… go have a ...

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How to Build a Telescope

Published on 2005-07-02 by Mark VandeWettering

Courtesy of the Make blog , here are some instructions on building a very simple refracting telescope . I’ve done something like this before by ...

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Fantasy Automobile

Published on 2005-07-01 by Mark VandeWettering

Right next to Pixar is a little outfit called Fantasy Junction that deals in customized and rare automobiles. Occasionally there are trucks parked outside delivering ...

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More on Google Maps API

Published on 2005-06-30 by Mark VandeWettering

In the previous post, a couple of people noted problems with the API. Just in case nobody realized this: the key that you use is ...

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Lose a little on every sale…

Published on 2005-06-30 by Mark VandeWettering

Make up for it in volume! According to this article on Slashdot , Gamespot claims that the Playstation 3 will cost $494 to make, but ...

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Map Flickr photos with Google Earth

Published on 2005-06-29 by Mark VandeWettering

Well, that didn’t take very long. The first cool hack for Google Earth has already appeared. As is reported on lifehacker, there is a hack ...

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Google Releases Google Map API

Published on 2005-06-29 by Mark VandeWettering

Now, you can embed google maps into your own websites. Like, well, this: Okay, it’s not working right yet. I’m still trying to figure it ...

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Google Earth

Published on 2005-06-29 by Mark VandeWettering

I know, everyone and their mother already knows about this, but…. My brother called me at 11:15 last night to tell me about Google Earth ...

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War of the Worlds, circa 1938

Published on 2005-06-29 by Mark VandeWettering

Today is the opening day for Spielberg’s War of the Worlds , but just in case you want to know what Orson Welles’ broadcast sounded ...

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Udderly Ridiculous

Published on 2005-06-29 by Mark VandeWettering

This little bit of Shockwave madness seems strangely appropriate today. Today, after all, is the opening of Spielberg’s War of the Worlds , and it ...

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Sage Words from Wil

Published on 2005-06-28 by Mark VandeWettering

Great minds think alike. Here’s a nice quote from Wil Wheaton: Here is the most important thing I can tell you: You do not need ...

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iTunes w/ Podcasting Released

Published on 2005-06-28 by Mark VandeWettering

Everybody else seems to be yapping about it: got to apple.com and get your fresh tasty new iTunes, complete with support for podcast subscriptions . ...

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Supreme Court Rules in Grokster

Published on 2005-06-27 by Mark VandeWettering

Well, I haven’t had a chance to read the ruling yet, but it appears that the SCOTUS has unanimously gutted the Sony decision and made ...

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A’s Complete The Sweep

Published on 2005-06-27 by Mark VandeWettering

The A’s completed the sweep of their cross Bay rivals today with a 16-0 victory which has to be one of the most one sided ...

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Google Video Search

Published on 2005-06-27 by Mark VandeWettering

Today Google released their own plugin for playing video on their Google Video Search page. Apparently it is based upon VLC, and you can get ...

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Why Blog about Random Stuff?

Published on 2005-06-27 by Mark VandeWettering

I do monitor various weblog indexers to see who is linking to this blog. Most of the time, they are really good at finding my ...

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Boffins create zombie dogs

Published on 2005-06-27 by Mark VandeWettering

I had to look up the word “boffin”. Seemed timely given the release of Romero’s Land of the Dead . News.com.au reports that scientists at ...

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The Poor Man’s Raid Array

Published on 2005-06-26 by Mark VandeWettering

Dear God. Some hacking projects seems horribly misguided. I like the idea of using junk and recycled components as much as the next guy, but ...

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The Cult of RSS

Published on 2005-06-26 by Mark VandeWettering

I keep scanning the news being blogged on Technorati about Gnomedex 2005 , and frankly, I’m still mystified. There seems to be a whole bunch ...

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As 6, Giants 3

Published on 2005-06-25 by Mark VandeWettering

Giants looked ugly, with five errors. Nice catch by Byrnes, who also had a bad running mistake on a Giants error. ...

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As versus Giants

Published on 2005-06-25 by Mark VandeWettering

Second inning. Addendum: Wow, how crappy is the zoom feature on my camera phone? Rhetorical question. Serious answer: really crappy. ...

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Testing…

Published on 2005-06-24 by Mark VandeWettering

Just testing some magic from A List Apart for doing CSS drop shadows. This requires all sorts of skullduggery with negative margins and the like ...

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I’m curious about Gnomedex 5.0

Published on 2005-06-24 by Mark VandeWettering

Take a look at their announcement , especially concentrating on the What is Gnomedex… section. Someone, please, explain it to me. Why is Gnomedex significant? ...

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Pear Photo

Published on 2005-06-24 by Mark VandeWettering

Pear Photo Originally uploaded by brainwagon . While in front of the Copia center in Napa last weekend, I tried snapping close up photos of ...

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Personal Expression is Just a Fad…

Published on 2005-06-24 by Mark VandeWettering

Every once in a while, you read something that makes you just shake your head. Dave Slusher mentioned David Coursey’s anti-podcasting article . I’m not ...

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BrickJournal

Published on 2005-06-24 by Mark VandeWettering

I have a couple of friends who are still Lego fanatics. Just in case they missed this, check out BrickJournal – the magazine for Adult ...

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Dave Brain

Published on 2005-06-23 by Mark VandeWettering

While scanning for reference photos of brains, I found this baseball card for David Leonard Brain. He played for the Reds, the Giants, the White ...

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Cool photo…

Published on 2005-06-23 by Mark VandeWettering

While browsing the photo and print collection at the Library of Congress , I found this really cool photo of a telescope set up in ...

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Cell Phone Warning

Published on 2005-06-23 by Mark VandeWettering

Cell Phone Warning Originally uploaded by brainwagon . Sometimes the inspiration to blog something strikes me at odd moments. As I was gassing up my ...

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Brain Science

Published on 2005-06-23 by Mark VandeWettering

The brain is a bizarre little meat computer. As proof witness this current article from nature.com : Quian Quiroga also found that a lone neuron ...

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Call me a traditionalist…

Published on 2005-06-22 by Mark VandeWettering

When it comes to most things, I’m about as geeky and gonzo for gizmos as you could possibly imagine, but in some things, I’m a ...

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Young Trekkie Persecuted

Published on 2005-06-21 by Mark VandeWettering

For those of you with a sense of humor, try reading this account of a young man who was suspended for reciting his own pledge ...

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My weekend

Published on 2005-06-20 by Mark VandeWettering

Yeah, my blog was a little sparse on the nerd front this weekend: Carmen and I were off for a short anniversary getaway in Napa, ...

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More Food Thoughts…

Published on 2005-06-20 by Mark VandeWettering

While I was out touring wine country this last weekend, I began to think a bit more about something that I’ve only recently become to ...

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JuiceBox Hacking

Published on 2005-06-20 by Mark VandeWettering

I can’t really stop geeking even when on vacation with my wife. We stopped in at the Target in Napa to pick up some toothbrushes ...

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Picnic at Clos du Val

Published on 2005-06-19 by Mark VandeWettering

Picnic at Clos du Val , originally uploaded by brainwagon . Enjoying a picnic lunch of bread and cheese with Carmen. ...

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On the Napa Wine Train

Published on 2005-06-18 by Mark VandeWettering

On the Napa Wine Train , originally uploaded by brainwagon . Having fun with Carmen ...

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I can appreciate sarcasm…

Published on 2005-06-16 by Mark VandeWettering

If you can as well, try checking out this Open Letter to the Kansas school board who is struggling with the idea of teaching so-called ...

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More Scoble Mush

Published on 2005-06-16 by Mark VandeWettering

Some things just make you blink. A Day in the Life is reporting that MSN is only blocking the words democracy and freedom in the ...

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Cheating in Baseball

Published on 2005-06-16 by Mark VandeWettering

I have a romantic view of baseball, and it is always startling when confronted with the reality that baseball is a business first, and the ...

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Google SiteRank Patent

Published on 2005-06-16 by Mark VandeWettering

Slashdot mentioned that the Google SiteRank patent application was available, so here it is for your perusal . ...

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Anti-Spam Experiment

Published on 2005-06-15 by Mark VandeWettering

Yesterday I did some thinking bout how to prevent more of the spam that floods (or at least leaks into) my sight, and decided to ...

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Wikipedia

Published on 2005-06-15 by Mark VandeWettering

I like Wikipedia . I think it is a great resource, maintained by the efforts of many talented and knowledgeable individuals, even in the face ...

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EFF: Legal Guide for Bloggers

Published on 2005-06-14 by Mark VandeWettering

Something no blogger should be without: the EFF Legal Guide for Bloggers . I’ve only skimmed it, but there seems to be a lot of ...

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Comment Spams Per Day

Published on 2005-06-14 by Mark VandeWettering

Since the beginning of the year, I’ve had 1300 or so comment spam messages enter my queue. I thought I’d make a graph to see ...

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The dullest blog in the world

Published on 2005-06-14 by Mark VandeWettering

No, it’s not brainwagon , but it looked like this guy had to really work to take the crown away from me. Courtesy of Alan ...

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Michael Jackson Acquitted

Published on 2005-06-13 by Mark VandeWettering

After months and months of trial, the King of Pop has been acquitted on all counts . Just prior to the verdict, I had this ...

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Scoble on Human Rights…

Published on 2005-06-13 by Mark VandeWettering

In one of his recent posts , Robert Scoble reveals a certain pragmatism when it comes to human rights. When doing business in various countries ...

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Moon, ala JVC GR-D270

Published on 2005-06-13 by Mark VandeWettering

Here is a picture of the crescent moon, captured at 25x zoom on my JVC GR-D270 camcorder. I punched it up just a tiny bit ...

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Masked Bandits Attack!

Published on 2005-06-13 by Mark VandeWettering

Well, okay, so these bandits were really just stealing Scrappy’s cat food from the patio, but this time I had my new trusty JVC GR-D270 ...

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Why Daily Blogging Is A Good Idea

Published on 2005-06-13 by Mark VandeWettering

or, at least not a bad idea. Amy Gahran over at Contentious wrote a nice article entitled Why Daily Blogging Usually Is a Bad Idea ...

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Water Bottle Jetpack

Published on 2005-06-13 by Mark VandeWettering

Damn! I hesitate to claim fraud, but is this really possible? Courtesy of the Make Blog . ...

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Butterflies from Flutterby

Published on 2005-06-12 by Mark VandeWettering

Dan has put up a nice photo of a butterfly that he took while zipping around China Grove Camp. Now that my weekend chore is ...

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How to REALLY handle spam…

Published on 2005-06-11 by Mark VandeWettering

Tom sent me a pointer to Jef Poskanzer’s notes on how he handles a million spam messages every day . No, that’s note an exaggeration, ...

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Internet Explorer Security Plans

Published on 2005-06-10 by Mark VandeWettering

Courtesy of Scoble’s blog, here is a post concerning “Low Rights Internet Explorerer”: IEBlog : Clarifying Low-Rights IE Low-rights IE will only be available in ...

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Escher Photoshop Contest

Published on 2005-06-10 by Mark VandeWettering

Those guys on worth1000.com have truly amazing Photoshop contents, and this contest themed “Escher Blowout” has some incredibly cool stuff. Check it out. ...

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Tutorial on Deconvolution

Published on 2005-06-10 by Mark VandeWettering

By way of (gasp!) a useful Slashdot comment , here is a tutorial on deconvolution produced by the NRAO. What can I say? I read ...

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TiVoToGo, to go!

Published on 2005-06-09 by Mark VandeWettering

Reuters is reporting that TiVO To Go supports transfers to Windows Mobile devices . I’ll dig into this later tonight to see if I can ...

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Movie Making Manual

Published on 2005-06-09 by Mark VandeWettering

Now that I have a little camcorder, I’m interested in free software that I can use to build cool bits of media. Wikibooks has a ...

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I’m becoming less popular…

Published on 2005-06-08 by Mark VandeWettering

My popularity over the last thirty days appears to be falling. Perhaps I should bath more regularly. Or maybe I’m just more boring this month. ...

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Sue’s Betta

Published on 2005-06-08 by Mark VandeWettering

As a brief test of the macro capabilities of my video camera, here’s a brief clip of Sue’s new Betta splendens (Windows Media Video, sorry ...

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Pentium M

Published on 2005-06-07 by Mark VandeWettering

I was trying to justify my inner hunch that the Apple announcement was all about laptops, and found the wikipedia page on the Pentium M ...

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WWDC Keynote

Published on 2005-06-06 by Mark VandeWettering

Off to go watch the Apple World Wide Developer’s conference keynote, mainly to see if Apple is going to switch from IBM PowerPC chips to ...

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Butterfly Gardening

Published on 2005-06-06 by Mark VandeWettering

In the last couple of days, we’ve seen an explosion of butterflies (well, I mean a lot of butterflies, not actually exploding butterflies) around the ...

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SLAX Linux Live, with some questions

Published on 2005-06-06 by Mark VandeWettering

Previously I’ve mentioned my appreciation for both Knoppix and Damn Small Linux , both fairly cute LiveCD versions of Linux. The problem is that Damn ...

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Book Assembly Photo-Journal

Published on 2005-06-06 by Mark VandeWettering

I entertained the notion of self-publishing a book on telescope making a while back, and even dabbled in the idea of self-printing a few copies. ...

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Two Musical Bits

Published on 2005-06-06 by Mark VandeWettering

Two musical links from the Make Magazine blog : A streaming radio station called rand()% which consists entirely of audio generated by programs in real ...

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The Magic of Baseball

Published on 2005-06-06 by Mark VandeWettering

Check out the beautiful sunset forming the backdrop for the minor league team the North Shore Spirit. Damn! Makes me wish I could have a ...

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Be Skeptable!

Published on 2005-06-06 by Mark VandeWettering

I found the rather curious non-word “skeptable” in a posting, and wondered just how often people used this particular bastardization of the word skeptical. The ...

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Aximsite – x50v Quicklinks

Published on 2005-06-05 by Mark VandeWettering

Just some cool links to information about the Dell Axim X50v, the PDA that I use to record all my recent podcasts. Some good stuff ...

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Robby the Robot

Published on 2005-06-04 by Mark VandeWettering

Robby the Robot , originally uploaded by brainwagon . Just celebrity spotting in SF. Addendum: Check out the Robby the Robot Fan Site . ...

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Gnuplot usage

Published on 2005-06-03 by Mark VandeWettering

Lisa uses her weblog to remind her of things that are hard to remember like the instructions to her watch . I have done a ...

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The Weirdest Book I Ever Got

Published on 2005-06-03 by Mark VandeWettering

Check out this blogger’s report about theferrett: The Weirdest Book I Ever Got , his exposure to The Creationist’s View of the DINOSAURS and the ...

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What I want to know is…

Published on 2005-06-02 by Mark VandeWettering

just how did this seem like a good idea ? I mean really, did someone pitch the idea like “I know, to emphasize how the ...

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Brainwagon Radio: Mystery Podcast

Published on 2005-06-02 by Mark VandeWettering

Yesterday I recorded a podcast on the way to work, but due to a computer glitch at work, I was unable to upload it immediately. ...

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Ukulele Beatles Fun!

Published on 2005-06-02 by Mark VandeWettering

Previously I mentioned a $22 build it yourself ukulele kit and also found an inspiring rendition of Live and Let Die performed on the ukulele ...

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My bookshelf

Published on 2005-06-01 by Mark VandeWettering

Just another test of my camera phone and automatic posting. I think my copy of Darwin’s Origin of Species is on the shelf above though. ...

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Oakland Shows Signs of Life

Published on 2005-06-01 by Mark VandeWettering

Well, I bitched about Oakland a couple of days ago, and today I’m watching the possibility that they might string two wins in a row. ...

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B-A-N-A-N-A

Published on 2005-06-01 by Mark VandeWettering

I have a lot of fun with digital cameras, just taking pictures of objects in isolation. A bit of work with Gimp , and you ...

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Optics Fun With Gelatin

Published on 2005-06-01 by Mark VandeWettering

Today’s bizarre science link of the day comes from the opticsforkids.com website, and is entitled Optics Fun With Gelatin . Edible optics? What optical phenomena ...

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Me

Published on 2005-05-31 by Mark VandeWettering

Just a picture of me from my cell phone Addendum: This post was really just created as a test of Flickr ‘s ability to post ...

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Tough to be an A’s fan…

Published on 2005-05-29 by Mark VandeWettering

I suspected that the A’s may have a difficult time getting to the playoffs this year. All three of the other AL West teams had ...

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Movie Review: Madagascar

Published on 2005-05-28 by Mark VandeWettering

Last night we had a screening of the new Dreamworks film Madagascar and I must say, it was one of the most enjoyable, light, fun, ...

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How the THX sound was made…

Published on 2005-05-27 by Mark VandeWettering

Andy Moorer’s story on how he created the THX sound. He did it the old fashioned way: he wrote 20,000 lines of C code! Music ...

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Seamless Data Distribution System

Published on 2005-05-27 by Mark VandeWettering

Google Maps is pretty cool, but they watermark all their images which makes their satellite data a little less than entirely useful for goofing around ...

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Recipe: Pulled Turkey

Published on 2005-05-26 by Mark VandeWettering

I haven’t posted any of my culinary explorations lately, so I thought that I would rectify this wrong by detailing something that I tried for ...

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Project Dalek

Published on 2005-05-25 by Mark VandeWettering

All sorts of projects based upon the Star Wars universe are making the rounds of various blogs, so why not take a break and build ...

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SnapStream Store: Medusa PVR

Published on 2005-05-25 by Mark VandeWettering

Crazy. The gents at SnapStream built PVR using their software and six capture cards. Then, they redid it with the new Hauppauge dual tuner cards. ...

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Game Review: Katamari Damacy

Published on 2005-05-24 by Mark VandeWettering

I was in Fry’s last weekend, and was just browsing the cheap video game aisle’s with my wife, when I noticed that the quirky Japanese ...

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Systm

Published on 2005-05-24 by Mark VandeWettering

Another fun link from the make blog: Systm , a video show produced by a couple of young geeks. In their first episode, they build ...

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New version of Neat Image

Published on 2005-05-23 by Mark VandeWettering

The incredibly useful dpreview.com has an announcement for a new release of the image noise reduction program Neat Image . If you’ve got photos which ...

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Experimental IRC on brainwagon

Published on 2005-05-22 by Mark VandeWettering

For grins I’ve set up a simple IRC daemon on brainwagon.org. Go ahead and try it out if you like, my nickname is likely to ...

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Philips DVP642 DVD Player Deal

Published on 2005-05-21 by Mark VandeWettering

Isn’t it always the way, two days after I buy a DVD player, the same model goes on sale on Amazon and $10 cheaper with ...

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Video Encoding Experiments

Published on 2005-05-20 by Mark VandeWettering

I did some quick experiments to check the compatibility of video files that I converted and my new Philips DVP 642 DVD player. I wanted ...

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Smile and Say “Olympus Mons”!

Published on 2005-05-20 by Mark VandeWettering

NASA does churn out some fairly interesting snapshots from their Mars missions, and this is no exception. The Mars Orbiter Camera onboard the Mars Global ...

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My New Toy: Philips DVP 642

Published on 2005-05-19 by Mark VandeWettering

On a whim, I decided I needed a new DVD player. It’s not like I don’t have DVD players, but the one I had in ...

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Context Free

Published on 2005-05-18 by Mark VandeWettering

Courtesy of Mark Lentczer, have a gander at Context Free , an implementation of Chris Coyne’s design grammars . This puts me in mind of ...

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More fun with reflecting balls

Published on 2005-05-17 by Mark VandeWettering

After yesterday’s post, I decided that I’d like to try to make some better reflection maps. So I shot this image of my office reflecting ...

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Revenge of the Sith

Published on 2005-05-17 by Mark VandeWettering

Well, once again, working for Pixar Animation has its perks: yesterday we had company screenings for the prerelease of George Lucas’ sixth installment in the ...

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UTARC UX-1 Balloon Launch

Published on 2005-05-17 by Mark VandeWettering

Cool science link of the day: an amateur launch of an amateur balloon to a height fo 52,000 feet. Pretty nifty pictures UTARC UX-1 Balloon ...

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Juicebox

Published on 2005-05-16 by Mark VandeWettering

The Make blog listed the Juicebox , a cute little embedded microcontroller board based upon the Atmel AVR chips. Pretty neat. ...

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Cool video experiment

Published on 2005-05-16 by Mark VandeWettering

Video Thing has a cool experiment in shooting panoramic video using a Christmas tree ball mounted on a boom in front of a DV cam. ...

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Bay To Breakers

Published on 2005-05-16 by Mark VandeWettering

Well, according to the Bay To Breakers website, I came in 21,753rd. Carmen came in 21,747th. Yesterday it seemed to be different: we saw 2174 ...

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Bay To Breakers

Published on 2005-05-16 by Mark VandeWettering

Well, I’m back from the Bay to Breakers. Carmen and I mostly walked the course at a fairly brisk pace, we completed in about 2h ...

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Bizarre Camera Phone Picture

Published on 2005-05-16 by Mark VandeWettering

Well, after I crossed the finish line of the Bay To Breakers yesterday, I snapped the picture on the right. It seems that exercise can ...

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Heart Rate Monitor Output

Published on 2005-05-14 by Mark VandeWettering

Well, my new Polar S410 heart rate monitor seems to work: I wore it for the first time at the gym last night when I ...

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Childish Rant of the Day

Published on 2005-05-14 by Mark VandeWettering

For some reason, Dave Winer’s Scripting News hasn’t fallen off my blogslines blogroll. It must be for the “reality TV” factor, where people who should ...

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Worst Product Intro Ever!

Published on 2005-05-13 by Mark VandeWettering

Sweet Zombie Jesus, does Microsoft need some lessons on introducing products? It’s a rhetorical question: the answer is yes, yes, they do. Yesterday was the ...

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NASA World Wind

Published on 2005-05-11 by Mark VandeWettering

I ran across a cool Windows program the other day: NASA World Wind . It’s an application that allows you to view landsat and shuttle ...

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Make Graph Paper and Grid Paper

Published on 2005-05-11 by Mark VandeWettering

Courtesy of the Make Blog, here’s a link to a site which contains site with PDF files you can print to make all different kinds ...

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Brainwagon Radio: Happy Birthday!

Published on 2005-05-10 by Mark VandeWettering

Where your host wishes himself a happy birthday , queries about the percieved quality of his commute-time podcasts, and reviews a number of cool papers ...

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Thought Thieves

Published on 2005-05-10 by Mark VandeWettering

Microsoft is sponsoring a short film competition in the UK entitled Thought Thieves on the subject of intellectual property theft. Thought Thieves is about people ...

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So Long and Thanks for the Fish…

Published on 2005-05-09 by Mark VandeWettering

Upon returning from my SIGGRAPH sketch jury duty, I decided that Carmen deserved a lunch out and a movie. We chose The Hitchhiker’s Guide To ...

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Grump!

Published on 2005-05-09 by Mark VandeWettering

Know how to get grumpy? Spend consecutive weekends in Reno and San Franscisco in the company of lots of people and food, and then go ...

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OCaml Ray Tracer

Published on 2005-05-08 by Mark VandeWettering

I’m always interested in raytracing and programming languages, so the OCaml Ray Tracer seems pretty cool to me. What’s nice about it as an example ...

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Facepunch Studios – Just Goldbergs

Published on 2005-05-08 by Mark VandeWettering

Thanks to long time raytracer Eric Haines for recommending this link to general craziness: Facepunch Studios – Just Goldbergs People with too much time on ...

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PhotoPermit.Org

Published on 2005-05-07 by Mark VandeWettering

I had dinner tonight with fellow SIGGRAPH sketch jury member Kevin Bjorke, whom I found out is the brains behind PhotoPermit.Org , a website that ...

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Strangest form of vandalism ever!

Published on 2005-05-05 by Mark VandeWettering

Not content with using gauche spray paint, some people have learned how to create mossgraffiti , living moss that is stenciled onto suitably damp stone ...

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Bum Lee > Deanimator

Published on 2005-05-05 by Mark VandeWettering

Half shadow puppet theater, half first person shooter: Deanimator . Link courtesy of Dan. ...

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Chuckle o’ the Day

Published on 2005-05-05 by Mark VandeWettering

Andy Rooney Quotes – The Quotations Page Computers make it easier to do a lot of things, but most of the things they make it ...

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Brainwagon Radio: Oroboros

Published on 2005-05-03 by Mark VandeWettering

A bonus podcast , relating mostly why I’m neither excited nor dismayed by commercial podcasting ventures. Just a short one piggybacking on my previous one. ...

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Remarkable Fan Film

Published on 2005-05-03 by Mark VandeWettering

Last night I finally got around to watching Revelations , a Star Wars fan film which I found to be truly remarkable. It is not ...

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Dell Axim X50(v) A03 ROM update

Published on 2005-05-03 by Mark VandeWettering

It appears that Dell has released a new ROM update (A03) for the Dell Axim x50v. Haven’t tried this out yet, but I will this ...

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Oroboros

Published on 2005-05-02 by Mark VandeWettering

The more things change, the more things stay the same, and the snake continues to eat its tail. Dave Slusher expressed a certain disgruntlement with ...

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No Intelligence in Intelligent Design

Published on 2005-05-02 by Mark VandeWettering

Periodically Slashdot runs a story to punch the creation versus evolution button. I must admit, it’s one of my hot button topics. I’d could rant ...

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Weekend Pic

Published on 2005-05-02 by Mark VandeWettering

Carmen and I spent a short weekend at Reno/Tahoe, and I snapped this picture of her at the shore of Lake Tahoe. A nice trip, ...

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SIGGRAPH 2005 Papers

Published on 2005-04-29 by Mark VandeWettering

Here is the usual page of links to SIGGRAPH 2005 Papers . Not many have been filled in, but as usual, I suspect that as ...

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Pinhole photography

Published on 2005-04-29 by Mark VandeWettering

The article on the Dirkon Paper Camera reminded me of the couple of pinhole photographs I made using a simple cylinder of cardboard and some ...

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I hate cars.

Published on 2005-04-28 by Mark VandeWettering

My son’s Chevy was in the shop this week for difficulty starting. Today, I got it back, after paying $700 and replacing three seemingly unrelated ...

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Dirkon – The Paper Camera

Published on 2005-04-28 by Mark VandeWettering

Courtesy of the the Make magazine blog , here is the instructions for Dirkon – The Paper Camera [pinhole.cz] , a pinhole camera design first ...

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I like large LCD monitors.

Published on 2005-04-28 by Mark VandeWettering

On the other hand, my new Dell 20.1″ LCD monitor is the bee’s knees. Beautiful 1600×1200 resolution, with no bad pixels. Yum. ...

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Mobile version of brainwagon

Published on 2005-04-28 by Mark VandeWettering

The Make blog this morning also mentioned WINKsite , a service which allows the simple creation of mobile websites. It’s pretty nifty, check out brainwagon ...

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More on RAW formats and encryption

Published on 2005-04-27 by Mark VandeWettering

There is a nice interview on dpreview.com with David Coffin , author of dcraw.c , a nice little Linux program that decodes most RAW formats ...

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Mars Rover Suspension Patent

Published on 2005-04-27 by Mark VandeWettering

I ran across a reference to the patent on the wheel system used by NASA in their Mars Rovers, and thought that Patent 4,840,394 – ...

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Thoughts on ClearPlay

Published on 2005-04-27 by Mark VandeWettering

This morning as I was driving in (and running late since traffic was bad, and the UPS outlet where I was supposed to be able ...

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You and Your Research

Published on 2005-04-26 by Mark VandeWettering

Courtesy of Lambda the Ultimate, here is your inspiration for the day, a transcript of Hamming’s lecture: You and Your Research . Addendum: John W. ...

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Free Mag 7 Star Charts

Published on 2005-04-26 by Mark VandeWettering

A cool freebie: Free Mag 7 Star Charts distributed under a Creative Commons license. Can’t beat the cost! ...

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Weekend Experiment

Published on 2005-04-25 by Mark VandeWettering

Eric’s exploration of digital infrared photography over on flutterby has urged me to try to take some more infrared photographs. Toward that end, I’ve created ...

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Stadiums ala Google Maps…

Published on 2005-04-23 by Mark VandeWettering

Tom Duff generated a nice list of MLB ballparks via Google Maps , and I found that Julian made a similar list of hockey stadiums ...

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Recipes and Encouragement

Published on 2005-04-23 by Mark VandeWettering

While I was on Julian’s website , I noticed that he still hadn’t mastered the fine art of meat loaf. I thought that he should ...

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GCC 4.0 Released

Published on 2005-04-22 by Mark VandeWettering

GCC 4.0 is now released, try checking out the release notes on gnu.org . ...

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Robot Dreams

Published on 2005-04-22 by Mark VandeWettering

Lem Fugitt has a nice robotics blog, and found my pictures of Robogames 2005. He nicely linked from his blog, so I thought I’d return ...

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Experimental Balloon Building

Published on 2005-04-22 by Mark VandeWettering

Another cool but relatively useless link from the Make Blog, a site entirely dedicated to Experimental Balloon Building . Become a modern day Montgolfier! ...

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A self-referential puzzle

Published on 2005-04-21 by Mark VandeWettering

I’m bored, so I decided to amuse myself with a self-referential puzzle. This post on brainwagon.org (including the title “a self-referential puzzle” but not any ...

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Wil Out…

Published on 2005-04-21 by Mark VandeWettering

This just off the pokerwire.com WPT ticker … Annie Duke eliminates Wil Wheaton; John Kabbaj out Ten minutes after being crippled when an opponent hit ...

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EVDO StompBox Project

Published on 2005-04-20 by Mark VandeWettering

Okay, I got it from slashdot , but the EVDO StompBox Project is pretty darned cool. The guy uses a Soekris single board computer running ...

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The C.L.I.V.E. Project

Published on 2005-04-20 by Mark VandeWettering

As a link from the previous story, I also ran accross The C.L.I.V.E. Project , a custom gadget that tracks Iridium flares. Very cool. ...

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Being Fat No Longer #2

Published on 2005-04-19 by Mark VandeWettering

The CDC guidelines say that obesity is the #2 cause of death in America, right after smoking. But a new paper in JAMA suggests that ...

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White Smoke

Published on 2005-04-19 by Mark VandeWettering

Minutes ago, Yahoo! News reported that Cardinal Ratzinger of Germany has been elected the new Pope , and will be known as Pope Benedict XVI. ...

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Still more Google Maps…

Published on 2005-04-19 by Mark VandeWettering

Your tax dollars at work . Gleaned from Google Site Seeing , which I just added to my bloglines blogroll… ...

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MAKE: DIYcast

Published on 2005-04-18 by Mark VandeWettering

I’m a big fan of Make magazine , and what’s super cool is they are going to have a twice weekly podcast show . Awesome. ...

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Positively Short Stacked…

Published on 2005-04-18 by Mark VandeWettering

Wil Wheaton is apparently off to play Texas Hold’em in Vegas in the World Poker Tour Championship. He has no real hope that he’ll last ...

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My Wife is Quite the Shopper…

Published on 2005-04-17 by Mark VandeWettering

I thought I got a good deal on my wireless notebook, but I just found out that she managed to get a wireless notebook for ...

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Hacking to save lives…

Published on 2005-04-16 by Mark VandeWettering

From the MakeZine Blog, a report of an attempt to aid American troops in Iraq. Roadside bombs are jury rigged from FRS radios, and set ...

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Wiper Motor Page

Published on 2005-04-16 by Mark VandeWettering

I’ve made no progress on my robot project, but the makeblog linked to Wiper Motor Page , which had a LOT of useful information about ...

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‘Cool it, Linus’ – Bruce Perens

Published on 2005-04-16 by Mark VandeWettering

Over on the Register, there is an article on the ongoing row between Linus Torvalds, Andrew Tridgell, author of the Samba software you’ll find as ...

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blueprintphotography

Published on 2005-04-15 by Mark VandeWettering

I’ve been interested in alternative photographic techniques for quite some time, so it was cool to see blueprintphotography mentioned on the Make blog. Very cool ...

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Participatory Culture Foundation

Published on 2005-04-15 by Mark VandeWettering

One of the things that draws me to blogging and podcast (and which I mention from time to time) is that it allows individuals to ...

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Scalia: Worst Justice Ever?

Published on 2005-04-15 by Mark VandeWettering

I’m not a big scholar of the history of the Supreme Court, but could it just be possible that Justice Scalia is the worst justice ...

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High Dynamic Range Imaging

Published on 2005-04-15 by Mark VandeWettering

I’m tinkering a bit with high dynamic range imaging lately, and decided to code up a simple tone-mapping program so that I could begin to ...

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IRC Poker Database

Published on 2005-04-15 by Mark VandeWettering

While reading ::amazon(“1880685000”, “Skylanski’s Theory of Poker “)::, my brain was tickled into remembering vaguely hearing about a database of millions of poker hands. A ...

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Google Maps – SR71s

Published on 2005-04-15 by Mark VandeWettering

Two of the coolest airplanes ever to fly , made visible via Google Maps. More mundane: airplane on approach to Oakland , a flight I’ve ...

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Doctor Who, Back on the Air

Published on 2005-04-14 by Mark VandeWettering

Jeff reminds me that Doctor Who is back on the air . Jeff was the guy who got me hooked on Doctor Who while were ...

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The CSI Home Game

Published on 2005-04-14 by Mark VandeWettering

Steve Lodefink returned to a parking garage and found his car mashed by some hit and run jerk. What did he do? He got all ...

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Coin Sampler

Published on 2005-04-13 by Mark VandeWettering

Thiago has created a Coin Sampler , basically a loop based synthesizer that is programmed by moving coins on a rotating turntable. As each coin ...

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Using Terraserver…

Published on 2005-04-13 by Mark VandeWettering

Dan bookmarked this site on how to use the Terraserver so he could remember it later, so I’m doing the same. Other things of interest ...

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More Fun with Google Maps

Published on 2005-04-13 by Mark VandeWettering

Just some random links: The Statue of Liberty Former site of the Twin Towers , which are still visible in Terraserver data Bombers at Travis ...

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Opening Day 2005

Published on 2005-04-12 by Mark VandeWettering

Well, the game was not the epic stuff that dreams are made of. The Blue Jays roughed up the A’s pretty good, they lead 10-0 ...

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What have you got to fear?

Published on 2005-04-12 by Mark VandeWettering

Maybe you have been sitting on the sideline with respect to some of the intellectual property issues that I raise here from time to time. ...

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Sarge vs. The Hoary Hedgehog?

Published on 2005-04-12 by Mark VandeWettering

Internetnews.com ran an interesting article about the synergy and tension beween Ubuntu Linux and classic . Ian Murdoch had this to say… Sarge vs. The ...

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Scanner Cameras

Published on 2005-04-11 by Mark VandeWettering

Courtesy of the Make Blog, here is Mike Golembewski’s page on Scanner Cameras . You can get more details on building a similar camera from ...

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Spammers wear an IE hat…

Published on 2005-04-11 by Mark VandeWettering

I must admit, I’ve been a teeny bit perplexed by one of my website statistics: the majority of my traffic appears to still be using ...

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Learn Chinese Characters

Published on 2005-04-11 by Mark VandeWettering

Thanks to Susan for telling me about zhongwen.com , really cool site for learning chinese characters . I’m not sure how long this particular brain ...

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A’s v. Blue Jays

Published on 2005-04-11 by Mark VandeWettering

With any luck, I’ll be podcasting, blogging, and posting photos from the A’s home opener later tonight. Update: It’s looking good. I have three separate ...

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On the pope’s funeral…

Published on 2005-04-11 by Mark VandeWettering

Estimates are varied, but it seems clear that over a million people saw the pope’s body before he was finally buried over the weekend. Keeping ...

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Texas Hold’em Trivia…

Published on 2005-04-10 by Mark VandeWettering

While watching the World Poker Tour today, I saw Mike Madusow survive going all in against a pair of aces, and surviving by hitting three ...

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Where has my country gone?

Published on 2005-04-09 by Mark VandeWettering

Witness this article from the Washinton Post: And the Verdict on Justice Kennedy Is: Guilty (washingtonpost.com) Conservative leaders meeting in Washington yesterday for a discussion ...

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A rose by any other name…

Published on 2005-04-09 by Mark VandeWettering

In the prehistory of Pixar, before Toy Story , we did lots of things to make ends meet. One of the things I worked on ...

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New Release of Ubuntu Linux

Published on 2005-04-09 by Mark VandeWettering

The 5.04 version of Ubuntu Linux is freshly released, and is now running on my test machine. I must admit, I am really, really impressed ...

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Two Jokes

Published on 2005-04-09 by Mark VandeWettering

A crook decided to break into the counterfeiting business. To ensure success, he decided that he would only try to pass his phony currency in ...

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United States Patent: 5,533,051

Published on 2005-04-08 by Mark VandeWettering

Apparently you really can patent nonsense. In United States Patent 5,533,051 , we get the following intriguing claim: A second aspect of the present invention ...

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EFF on Blogging Anonymously

Published on 2005-04-08 by Mark VandeWettering

The EFF has an interesting article on Howto Blog Anonymously . What’s a more interesting question is why would you want to? It’s not that ...

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Hitachi Reports on Storage Technology

Published on 2005-04-08 by Mark VandeWettering

Hitachi has a technical briefing the breakthrough Storage Technology which is used in their latest drives, destined for an mp3 player or cell phone near ...

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Flashback…

Published on 2005-04-08 by Mark VandeWettering

I just had the urge to see what my website looked like a couple of years ago, and used the Internet Wayback machine to find ...

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Big Thoughts for a Friday

Published on 2005-04-08 by Mark VandeWettering

On a mailing list I subscribe to, Tom Duff pointed me at Conway’s Proof of the Free Will Theorem . From the background: In mid-2004, ...

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More fun with Google Maps…

Published on 2005-04-08 by Mark VandeWettering

Soren Ragsdale added some interesting Google satellite images to the wikipedia, including an overall view of the Kennedy Space Center. Here is a much tighter ...

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Gift for Baseball Fans

Published on 2005-04-07 by Mark VandeWettering

I wanted to get a file with the schedule for all the major league baseball games this season, but remarkably, it seemed difficult. Sure, you ...

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Brad Bird on NPR

Published on 2005-04-07 by Mark VandeWettering

While driving home today, I flipped on KQED, our local NPR affiliate and heard a voice I’m rather accustomed to hearing: the director of The ...

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Preserving Player Piano Rolls

Published on 2005-04-06 by Mark VandeWettering

Courtesy of the MAKE blog , here’s a link to Terry Smith’s Player Piano Rebirth page. Terry takes old player piano rolls, scans them and ...

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Why Blog?

Published on 2005-04-06 by Mark VandeWettering

Over at Contentious , Amy is trying to answer the age old introspective question facing most bloggers: “Why do you blog?” I meet quite a ...

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More good philosophy from Lisa

Published on 2005-04-05 by Mark VandeWettering

Lisa has really got a lot on the ball . Enough so that I’m nominating this for the quote of the day: Art and thinking ...

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The Voidspace Techie Blog reviews Panda3D

Published on 2005-04-05 by Mark VandeWettering

The Voidspace Techie Blog has a brief review of Panda3D , an interactive graphics environment based on Python created by Disney and CMU’s Entertainment Technology ...

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Epia Information

Published on 2005-04-05 by Mark VandeWettering

EpiaWiki.org is trying to become the primary source of information on using the EPIA motherboards produced by VIA. This website currently runs on just such ...

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Drive cloning software…

Published on 2005-04-05 by Mark VandeWettering

I recently began to have difficulties with my Windows XP box. For reasons which were not clear (and given XP’s “weld the hood shut” architecture, ...

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I’m noticed!

Published on 2005-04-04 by Mark VandeWettering

Andrew noticed my name in the credits for The Incredibles . Woohoo! I’m famous! Note: I actually have two listings in the credits. ...

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Opening Day!

Published on 2005-04-04 by Mark VandeWettering

Ah, baseball season begins today . Okay, I guess it really started yesterday with the Yankees/Sox game, but today is the first Oakland game. Unfortunately, ...

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Sorry for the lack of updates…

Published on 2005-04-04 by Mark VandeWettering

I’ve been busy all weekend, caught Sin City , the Courbet exhibit at the Legion of Honor museum, spent some quality time with my wife ...

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Slusher on MGM Vs Grokster

Published on 2005-04-04 by Mark VandeWettering

Dave Slusher has an excellent article detailing just what is at stake in the case of MGM v. Grokster . He says: I am the ...

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Flutterby! : flippin’ the bird

Published on 2005-04-04 by Mark VandeWettering

Dan took some nice pictures while walking around San Francisco today. He snapped this picture: which I liked, but I thought could use a bit ...

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More Chinese Calligraphy

Published on 2005-04-01 by Mark VandeWettering

Well, today was Chinese Calligraphy class again. This is one of the better attempts at writing the character for “Dragon” 龍 or long2 as writin ...

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Tale of our times…

Published on 2005-03-31 by Mark VandeWettering

New instant messaging phone for your son <td> Free </td> Ability to have him ignore your calls when you call him <td> Free </td> Ability ...

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Cigar Box Guitars

Published on 2005-03-31 by Mark VandeWettering

Courtesy of Make magazine blog , here is a whacky DIY site on building your own Cigar Box Guitars . It seems like the kind ...

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SiteLight highlights yours truly!

Published on 2005-03-30 by Mark VandeWettering

Steve Ivy over at redmonk.net sent me a few questions by email, and nicely presented my my answers as a Sitelight : his own way ...

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What has John Carmack been up to?

Published on 2005-03-30 by Mark VandeWettering

Apparently, goofing around with programming his cell phone . It’s cool that someone with such impressive skills chooses to waste his time doing things like ...

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Robogames 2005

Published on 2005-03-27 by Mark VandeWettering

Well, just got back from a day of watching robot combat at the Robogames competition in at San Francisco State. It continues tomorrow. You can ...

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How to tune your BS-o-meter

Published on 2005-03-25 by Mark VandeWettering

My BS-o-meter was tripped today while I was reading this article on Media Matters . One of the doctors appointed by the Florida court to ...

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RoboGames (formerly ROBOlympics)

Published on 2005-03-24 by Mark VandeWettering

RoboGames (formerly ROBOlympics) is going to be held this weekend in San Francisco! How did I let this sneak up on me? II’ll have to ...

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The Next Big Thing in Online Type

Published on 2005-03-23 by Mark VandeWettering

Microsoft will be releasing six new fonts in 2006, and this preview shows some type specimens . I’m actually a big fan of Georgia and ...

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itsyBSD

Published on 2005-03-22 by Mark VandeWettering

Well, I’ve decided on a name for my tiny FreeBSD LiveCD project: itsyBSD , pronouced “itsybitsy”. 🙂 I haven’t got any files to download yet, ...

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Is Software Engineering an Oxymoron?

Published on 2005-03-22 by Mark VandeWettering

SD Times – Is Software Engineering an Oxymoron? The problem, then, is that programming has changed from the study and implementation of algorithms to the ...

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FeedHacks.com

Published on 2005-03-21 by Mark VandeWettering

Russell Beattie mentioned Mike Rowehl’s new feedhacks.com blog. His major hack is a WordPress plugin that allows you to include RSS feeds in posts. For ...

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Poor Scrappy

Published on 2005-03-21 by Mark VandeWettering

Our cat Scrappy seems no better. He just lies on our couch, completely zonked out. I got him to eat and drink a little, but ...

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Minor Project Success

Published on 2005-03-20 by Mark VandeWettering

Well, I figured out why my attempt to create a LiveCD for FreeBSD was dying: init was compiled with shared libraries, and something was apparently ...

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Programs Designed For USB Drives

Published on 2005-03-20 by Mark VandeWettering

Courtesy of the MAKE: Blog , check out Jeremy Wagstaff’s list of programs that can be run from USB thumb drives . Good stuff, including ...

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New Cholesterol Numbers

Published on 2005-03-19 by Mark VandeWettering

Congratulations and huzzahs for me. By dropping 67 lbs and exercising over the last year, I managed to cut my total cholesterol from 262 to ...

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Gutenberg Gem: The Cyder-Maker’s Instructor

Published on 2005-03-19 by Mark VandeWettering

I’m fascinated by old cookbooks and the like, which is why I found The Cyder-Maker’s Instructor, Sweet-Maker’s Assistant, and Victualler’s and Housekeeper’s Director to be ...

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Duct Tape is like The Force

Published on 2005-03-19 by Mark VandeWettering

It has a light side, and a dark side, and it binds the universe together. You can also turn it into wallets. ...

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Scrappy in a Scrap

Published on 2005-03-19 by Mark VandeWettering

Our sometimes-feral cat Scrappy has been fiesty lately. The previous two nights I’ve heard him picking a fight with random cats which stray into our ...

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Any comments on my mobile podcasts?

Published on 2005-03-18 by Mark VandeWettering

Has anyone got any comments, positive or negative, regarding the quality and/or content of my last two podcasts which I recorded in my car using ...

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Towards my own LiveCD…

Published on 2005-03-18 by Mark VandeWettering

Well, I’ve bit the bullet. I’ve decided that I have a couple of projects that could benefit from my own ability to produce a customized ...

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The LiveCD List

Published on 2005-03-18 by Mark VandeWettering

A giant list of LiveCD projects. Hopefully I’ll have one joining the list soon. ...

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Have a piece of Pi

Published on 2005-03-18 by Mark VandeWettering

a[52514],b,c=52514,d,e,f=1e4,g,h;main(){for(;b=c-=14;h=printf("%04d", e+d/f))for(e=d%=f;g=--b*2;d/=g)d=d*b+f*(h?a[b]:f/5),a[b]=d%--g;} Try reading this interesting paper to learn more . Source code , since WordPress insists on doing something to the quotes in the ...

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Howto Podcast!

Published on 2005-03-17 by Mark VandeWettering

If you’d like to put out a good sounding podcast, or at least spend some money in an attempt to do so, check out this ...

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Feral Robotic Dogs

Published on 2005-03-17 by Mark VandeWettering

If you’ve got your copy of Make , you know what this is all about. Feral Robotic Dogs ...

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Online computer science archives

Published on 2005-03-17 by Mark VandeWettering

Those gents over at Lambda the Ultimate have a nice list of online computer science archives . I read stuff like this for fun, so ...

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Choice alone is not enough

Published on 2005-03-16 by Mark VandeWettering

My blog is mostly a lark. Someone once said that sports were invented just so men would have something to talk about besides themselves and ...

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Compressed Filesystems

Published on 2005-03-16 by Mark VandeWettering

While investigating the creation of my own Knoppix distribution, I encountered a reference to the FreeSBIE project, which is a LiveCD version of my personal ...

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Fedora Core n+1

Published on 2005-03-16 by Mark VandeWettering

OSNews reports that Fedora Core 4 Test 1 has been released . New goodies: gcc 4.0 Gnome 2.10 Eclipse IDE lots of Java goodness If ...

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Brainwagon Radio: Live Linux CDs!

Published on 2005-03-16 by Mark VandeWettering

Another mobile podcast , recorded with my Dell Axim x50v PDA and Resco Audio Recorder. This morning I chat a bit about various LiveCDs on ...

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A special circle of hell…

Published on 2005-03-16 by Mark VandeWettering

A special circle of hell is reserved just for this guy , where rabbits will gnaw on this guys privates for eternity while munching on ...

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CeBIT 2005 video coverage

Published on 2005-03-14 by Mark VandeWettering

This guy walked around CeBIT with a headmounted video camera and a portable MPEG4 video recorder, and then made the CeBIT 2005 video coverage available ...

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Apologies for late podcast…

Published on 2005-03-14 by Mark VandeWettering

I didn’t get my podcast recorded last night, but one will be coming shortly… tonight. I’ve got it all recorded on my PDA, but unfortunately ...

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Contraption Video

Published on 2005-03-13 by Mark VandeWettering

Remember the Honda advert? Perhaps with less flair but still pretty damned cool, here is another Rube Goldberg contraption. Yeah, I know, it was on ...

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Tiny Dual Processor Boards…

Published on 2005-03-11 by Mark VandeWettering

Oooh. Via has released a dual-processor mini-ITX board . It’s got two 1ghz Eden-N processors, serial ATA, and gigabit ethernet. And it draws a mere ...

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Podcasting with a Dell Axim x50v

Published on 2005-03-11 by Mark VandeWettering

Josh Bancroft recorded his TinyPodcast at a McDonald’s using his Dell Axim x50v and a $20 audio recording application. It sounds pretty darned good, much ...

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Movie Review of Robots

Published on 2005-03-11 by Mark VandeWettering

I’ll be out to see Robots this weekend (hey, have to keep the demand for CG up somehow), but in my browsing with Google News, ...

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It’s not whether you win or lose..

Published on 2005-03-11 by Mark VandeWettering

It’s whether you end up in Cooperstown. I was reading yesterday’s entry on my Major League Baseball calendar, and was greeted with this Dubious Achievement: ...

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Google Maps

Published on 2005-03-10 by Mark VandeWettering

I like maps. Maps are cool. Google Maps are therefore really cool. What’s also cool is all the hacking that people are doing, such as ...

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If I was from South Park

Published on 2005-03-09 by Mark VandeWettering

Inspired by GeekBlog.org , here is myself rendered as a Southpark character. You can create one of your own by clicking here . ...

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Robosapien Dance Machine

Published on 2005-03-08 by Mark VandeWettering

The Robosapien Dance Machine promises to be an open source program that allows you to program your Robosapien to boogie-down. Check out the screenshots here ...

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Car Physics

Published on 2005-03-07 by Mark VandeWettering

Marco Monster has a nice tutorial article on Car Physics (mirrored here ) that’s worth reading if you are thinking about writing your own version ...

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Screw You, America West

Published on 2005-03-07 by Mark VandeWettering

Well, it’s one o’clock in the morning on Monday. If everything was right with the world, I probably would be at the Oakland Airport awaiting ...

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Coroutines in C

Published on 2005-03-06 by Mark VandeWettering

I remember blinking a few times the first time someone showed me Duff’s device. It made me ask “is that really legal C”. Simon Tatham’s ...

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Robot Motor Test

Published on 2005-03-06 by Mark VandeWettering

Well, yesterday’s voyage to various Silicon Valley surplus locations didn’t yield many very many good buys, so my robot project is still proceeding rather slowly. ...

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Constantine

Published on 2005-03-06 by Mark VandeWettering

Well, the wife is off to San Antonio this weekend (miss ya honey!) so I decided to go catch a movie. After mulling the choices ...

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Chinese Calligraphy

Published on 2005-03-05 by Mark VandeWettering

You know, the thing I really like about Chinese calligraphy isn’t that I have an abiding interest in China, or in learning the Chinese language, ...

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Sick of Rain

Published on 2005-03-04 by Mark VandeWettering

Damnit, when I was living in Oregon, I could put up with this crappy weather, but I live in California now. Can’t we just call ...

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Damn Small Linux Update

Published on 2005-03-03 by Mark VandeWettering

I installed Damn Small Linux onto one of those 64 megabyte USB dongle thingies, and walked it around to various machines to see if I ...

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WB on DVD

Published on 2005-03-03 by Mark VandeWettering

While I may have struck Slashdot from my sidebar, I do still read it on occasion. And occasionally reference to a pearl drops from its ...

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Damn Small Linux: Two Thumbs Up

Published on 2005-03-02 by Mark VandeWettering

I’ve been playing with various Linux distributions. I usually keep a Knoppix CD in my laptop bag so that I can use computers in a ...

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I’ve Got The Worst Podcast of All

Published on 2005-03-02 by Mark VandeWettering

I’d like everyone who has downloaded one of my podcasts to run to your nearest podcasting rating service and vote my podcast down. Give it ...

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FeedBurner Experiment

Published on 2005-03-02 by Mark VandeWettering

On a suggestion from a reader, I’ve decided to try to get better statistics on my RSS subscribers by managing my RSS feed via feedburner.com ...

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Robot motors have arrived!

Published on 2005-03-01 by Mark VandeWettering

The motors that I ordered from American Science and Surplus arrived this morning. I got a pair of Trico windshield wiper motors, originally destined for ...

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Brainwagon Has No Daily Readers

Published on 2005-02-28 by Mark VandeWettering

I’ve noticed something which I sort of find surprising: this website has no daily readers. I’ve been scanning the logs of all the people who ...

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Must Have Magazine: Make

Published on 2005-02-28 by Mark VandeWettering

I just got my first issue of Make , and all I can say is Wow! Terrific magazine. Fifteen minutes after cracking it, I went ...

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More stencil stuff…

Published on 2005-02-28 by Mark VandeWettering

I liked this tutorial on making stencils from freezer paper . Apparently the shiny wax that is on freezer paper allows you to iron it ...

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Win for The Incredibles

Published on 2005-02-28 by Mark VandeWettering

Well, the Oscars have more or less just begun, but the news is good for us Pixarians: The Incredibles won an Oscar for Best Animated ...

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PubSub: The Game’s Afoot!

Published on 2005-02-28 by Mark VandeWettering

I went to check the PubSub LinkRanks for brainwagon today, only to find that my ranking, which had been floating in the mid 50,000 range, ...

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Music download prices to rise

Published on 2005-02-28 by Mark VandeWettering

The Register reports that major music labels are trying to get music retailers to increase prices . What a good idea! Let’s make it even ...

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Grand Tourismo Goody

Published on 2005-02-27 by Mark VandeWettering

I bought Grand Tourismo 4 the other day for my son (hey, it’s cheaper than buying him a real car) and I must admit, it’s ...

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Jef Raskin

Published on 2005-02-27 by Mark VandeWettering

It is with considerable surprise and sadness that I heard of the passing of Jef Raskin this weekend. I wasn’t a friend: merely an admirer ...

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Quest for MythTV…

Published on 2005-02-26 by Mark VandeWettering

Well, I am now closing in on a working MythTV installation (I hope), although a few problems remain. The quality of video coming from this ...

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Hardware Mysteries Resolving…

Published on 2005-02-26 by Mark VandeWettering

Underneath my relentless attention, I believe I’ve figured out one of the problems with my SV24 computer that I complained about earlier. I complained that ...

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Followup to the Gorman piece…

Published on 2005-02-26 by Mark VandeWettering

Michael Gorman explains his previous article as “satirical”. I think that his piece could be described as many things, but satire is not one of ...

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Millenium Post!

Published on 2005-02-25 by Mark VandeWettering

This post marks the 1000th entry in my weblog. Quite a milestone for me. I hope you all have found something useful or thought provoking ...

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Slashdot? Slash not…

Published on 2005-02-25 by Mark VandeWettering

Dan Lyke is right: Slashdot has become a joke. It isn’t just the commentary. I expect that when you get 100 people to comment on ...

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Argh, Debugging…

Published on 2005-02-25 by Mark VandeWettering

What do you do when you have the flu? Well, I sit down and try to debug a computer system which has become unreliable. In ...

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Goodbye Speedy

Published on 2005-02-25 by Mark VandeWettering

It’s kind of a bummer day. Speedy, one of a pair of Betta Splendens that my wife and son bought for me over a year ...

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Word of the Day: Influenza!

Published on 2005-02-24 by Mark VandeWettering

Yes, it’s not just for the Pope, yours truly is experiencing the high fever, bodyaches, headache and general crappiness that marks the arrival of the ...

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Apple to buy TiVo?

Published on 2005-02-24 by Mark VandeWettering

Intriguing rumor that hit Wall Street today. It would be great if my favorite consumer appliance got acquired by someone who could prevent its long, ...

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Robot Motors Ordered

Published on 2005-02-23 by Mark VandeWettering

Well, in an effort to push my as-yet unstarted robotics project forward, I decided to begin as I always do: by spending money! I ordered ...

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BowGo

Published on 2005-02-23 by Mark VandeWettering

Those crazy guys at CMU have invented a cool gadget: the BowGo . It’s basically a regular pogostick gone high tech: instead of using a ...

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Double Take

Published on 2005-02-23 by Mark VandeWettering

I’m not sure who would buy this thing, and I’m pretty sure I wouldn’t want to know them. ...

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Minimo on Pocket PC

Published on 2005-02-23 by Mark VandeWettering

I had heard about the open source browser Minimo, but they just recently released their first trial build . You can download a sneak peak ...

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Back!

Published on 2005-02-22 by Mark VandeWettering

Sorry about the lack of updates yesterday, I took the wife off to a whirlwind 1-day Reno vacation. Got a spa suite at the Silver ...

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On Blogging and Marketing…

Published on 2005-02-19 by Mark VandeWettering

Ah, another rant about Scoble. He’s got a fresh “rant” (rant is in parenthesis because it’s pretty mild by my standards) about a group in ...

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gapingvoid: blogs are my life

Published on 2005-02-18 by Mark VandeWettering

Hey, I resemble that remark! Well, not really. I’d do this for free. How do I know? Because I do it for free. ...

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Upgrade Completed!

Published on 2005-02-18 by Mark VandeWettering

Well, I’m running WordPress 1.5 ! A few minor glitches, and undoubtably I still work on the “theme” a bit, but the RSS and permalinks ...

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WPVI.com: If It Ain’t Broke….

Published on 2005-02-18 by Mark VandeWettering

Not all things which are new should be construed as progress. WPVI.com: If It Ain’t Broke…. The “reimagined” Bugs Bunny is going to be renamed ...

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Build Your Own All-Terrain Robot

Published on 2005-02-18 by Mark VandeWettering

Today’s book recommendation is Brad Graham and Kathy McGowan’s Build Your Own All-Terrain Robot . Brad and Kathy are the authors of a book which ...

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An Oldie, but A Goody

Published on 2005-02-18 by Mark VandeWettering

For some reason, this old Dr. Fun comic popped into my head. I found out that ibiblio.org keeps these all archived, complete with a search ...

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First Try at WordPress 1.5

Published on 2005-02-17 by Mark VandeWettering

Well, I cloned this weblog and tried out the newest release of WordPress on the clone . Basically I used mysqldump to save everything out ...

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Porter Garden Telescope

Published on 2005-02-17 by Mark VandeWettering

Want to own a tiny bit of telescope making history? Check out the Porter Garden Telescope , which according to an email from the owner ...

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Time for an upgrade…

Published on 2005-02-16 by Mark VandeWettering

The release of WordPress 1.5 happened sometime, and I missed it. I’ll be doing an upgrade (and a bit of tidying of my generally messy ...

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Elementary Crypto Lesson

Published on 2005-02-15 by Mark VandeWettering

I’ve been interested in codes and cryptography for quite some time. I find them at the fascinating intersection of history, mathematics and computer science: all ...

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More Long Hair Hippy Talk

Published on 2005-02-15 by Mark VandeWettering

Back on February 9th, I wrote a post about how I was feeling like a podcasting hippy, because I asserted that I wasn’t going to ...

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Scoble is laying down fertilizer

Published on 2005-02-15 by Mark VandeWettering

Mark Hughes reacts in much the same way (but far more entertainingly) than I have to the cheerleading that Scoble is doing for his corporate ...

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That Whiff of Decay…

Published on 2005-02-14 by Mark VandeWettering

Michael Malone has an article which has been going around the blog circuit, hypothesizing that there may be a whiff of decay about Microsoft , ...

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Valentine’s Day Blogging Sonnet

Published on 2005-02-14 by Mark VandeWettering

Lisa Williams waxes poetic with a Valentine’s Day sonnet on blogging . She apparently also knows of Jef’s Candy Heartmaker. ...

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Happy Valentine’s Day!

Published on 2005-02-14 by Mark VandeWettering

In an article which was nominally about Robert Scoble, Hugh Macleod of gapingvoid had one of his brilliant cartoons on the back of a business ...

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The Aviator

Published on 2005-02-13 by Mark VandeWettering

Carmen and I haven’t been to nearly enough movies lately, but today we got up early enough to go out and catch the nearly three ...

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Sliding down the slippery slope

Published on 2005-02-12 by Mark VandeWettering

I’m not paranoid. Damn, I just realized that by saying it, I probably am, but holy-land-o-mercy. Have people gone completely insane? A high school in ...

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Untapped Gmail Generosity

Published on 2005-02-12 by Mark VandeWettering

Well, I was kind of depressed that only one person stepped forward to request a gmail account. Does everyone already have a gmail account? Well, ...

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Motorola MPx220 – software update

Published on 2005-02-11 by Mark VandeWettering

As I have mentioned previously, I’m the owner of the Motorola MPX220 SmartPhone. Overall I’ve had generally mixed feelings about it, but two things which ...

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HollerBot: Open Internet Robot

Published on 2005-02-10 by Mark VandeWettering

Want a simple (but not too simple) robot project, using easily available, off the shelf components? Try checking out Overview – HollerBot: Open Internet Robot ...

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Got Gmail?

Published on 2005-02-10 by Mark VandeWettering

Todd over at Geek News Central was handing out Gmail accounts to all his loyal listeners. What a good idea! I’ve got 49 invites I ...

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American Idol blocking fast forwards

Published on 2005-02-10 by Mark VandeWettering

I must admit that I’m vaguely scared of the much-rumored impending doom of TiVo . Ironically the issue which causes it to be unprofitable (lack ...

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News Flash: Listeners Hate Commercials

Published on 2005-02-09 by Mark VandeWettering

Courtesy of I Love Radio.org, read this remarkable study: News Flash: Listeners Hate Commercials . How surprising, that people resent being pummelled by twenty or ...

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Why Try To Improve on Perfection?

Published on 2005-02-09 by Mark VandeWettering

Slashdot is running an article which suggests that the FreeBSD core team is running a contest to design a new logo to supplant the ubiquitous ...

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Podcasting gives Weblogs a voice

Published on 2005-02-07 by Mark VandeWettering

Well, thanks to Ruth Meers at podcast.net , yours truly was interviewed briefly by Matthew Fordahl, an AP Tech reporter. The article is a fairly ...

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Help Stamp Out Boredom

Published on 2005-02-07 by Mark VandeWettering

Today I’m home sick. I’m going to prepare some notes for a meeting I should have tomorrow if I’m not still coughing up phlegm, but ...

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Four Minutes About Podcasting

Published on 2005-02-06 by Mark VandeWettering

Lisa Williams has done it again. She’s created a nice little four (closer to five, actually) minute video that will tell you all you need ...

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Super Bowl or Sleeper Bowl?

Published on 2005-02-06 by Mark VandeWettering

One thing I didn’t mention on today’s podcast was the Super Bowl. I understand it’s supposed to happen sometime today. While listening to some of ...

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Good Tips from Russell Beattie

Published on 2005-02-06 by Mark VandeWettering

Russell posted a plea to Jeeves, who has just acquired bloglines.com , my preferred method of RSS aggregator, asking them to please, oh please, don’t ...

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Pyramids, In Stereo

Published on 2005-02-04 by Mark VandeWettering

I must admit to a certain fascination with ancient Egypt, so it was kind of cool to note that the Library of Congress has a ...

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The Xbox 360?

Published on 2005-02-04 by Mark VandeWettering

According to Engadget, the rumor mill has ground out the name Xbox 360 for the successor to Microsoft’s Xbox . To give you a head ...

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IPOD-Photo Stereoscope

Published on 2005-02-04 by Mark VandeWettering

Oh good lord! IPOD-Photo Stereoscope Addendum: Kind of timely, after looking at all these old stereograms on the Library of Congress Website. Paul Bourke has ...

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Sushi Prepared on a Printer

Published on 2005-02-03 by Mark VandeWettering

I’m about as much of a technology geek as you can imagine, but when I read the Slashdot headline Sushi Prepared on a Printer I ...

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Copyright the Eiffel Tower?

Published on 2005-02-03 by Mark VandeWettering

{.alignright}Over at BoingBoing, David Pescowitz noted that taking pictures of the Eiffel Tower at night is now illegal, as the gents who installed the new ...

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InformationWeek Weblog

Published on 2005-02-03 by Mark VandeWettering

“If you’re getting into open source because you see it as a career path, you’re doing something wrong.” It’s not that Linux creator Linus Torvalds ...

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Greetings World Travelers!

Published on 2005-02-03 by Mark VandeWettering

As I mentioned in a previous post, I’ve begun to use statcounter.com to help figure out various statistics about people who visit my blog. It’s ...

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We offer free next day shipping!

Published on 2005-02-02 by Mark VandeWettering

I just completed ordering a product from a website which claimed “free next day delivery!”. “Golly”, I think to myself. “It will be nice to ...

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MSN Search: brain wagon

Published on 2005-02-02 by Mark VandeWettering

[MSN Search: brain wagon][1] Other names for a railroad caboose are crumb box, brain wagon, bazoo wagon, strawberry patch, and loose cage. [1]: http://search.msn.com/results.aspx?q=brain wagon&FORM=SSRE ...

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How?

Published on 2005-02-01 by Mark VandeWettering

How in the world does this book get to be ranked #15 on amazon.com? Truly, the end times must be upon us. Or, they would ...

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Holy Crap!

Published on 2005-02-01 by Mark VandeWettering

While testing MSN Search using my name, I found Topics in Animation: The Pinscreen in the Era of the Digital Image which includes a reference ...

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Gumstix

Published on 2005-02-01 by Mark VandeWettering

Allright, allright, I’m getting too fascinated by these tiny computer things, but I was reminded of these guys gumstix.com – all things small . Cute ...

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Carmen eating Dim Sum

Published on 2005-01-31 by Mark VandeWettering

This is mostly just a test designed to try out Flickr ‘s Post-To-Blog functionality. Still, it’s a nice picture of my lovely wife munching Dim ...

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Hey Garmin, Learn from Apple

Published on 2005-01-31 by Mark VandeWettering

Garmen just released a new product: the GPS 10 , a simple Bluetooth GPS that you can use with your PDA or laptop. A great ...

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Gutenberg Gem: The Moon Pool

Published on 2005-01-30 by Mark VandeWettering

Science fiction entries in Project Gutenberg are fairly hard to find, but here is one I haven’t read in a very long time: The Moon ...

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The Sound of iPod

Published on 2005-01-30 by Mark VandeWettering

Awesome hack, courtesy of ipodlinux.org . Ran on the front page of slashdot, but they don’t need my link. ...

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FM 34-40-2 Basic Cryptanalysis

Published on 2005-01-30 by Mark VandeWettering

Interesting link of the day, courtesy of Boing Boing: FM 34-40-2 Basic Cryptanalysis . The truth is this kind of cryptography is pretty much of ...

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Hormel can ukelele

Published on 2005-01-29 by Mark VandeWettering

Those clever BoingBoing-ers found another cool item for you “music” loves: a Hormel can ukelele . It doubles as a lunchbox. It’s a pity that ...

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Tasty Musings on Blogs

Published on 2005-01-29 by Mark VandeWettering

Thanks to Doc Searls for pointing me at Jack Shafer’s article Blog Overkill at Slate. I think Shafer makes some excellent points. I do feel ...

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Wikipes

Published on 2005-01-29 by Mark VandeWettering

Wikipes is a cool site which creates a global cookbook using Wiki technology. There aren’t a whole lot of recipes yet, and they seem to ...

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Fun with SLUGs

Published on 2005-01-28 by Mark VandeWettering

Well, I couldn’t resist. I went ahead and bought one of the aforementioned Linksys NSLU2 boxes (colloquially referred to as a slug) and began tinkering. ...

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HomeSeries Net-Box

Published on 2005-01-27 by Mark VandeWettering

In a previous post I talked about my desire for a digital homestead , an appliance which you could use to create your own persistant ...

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Warner Bros. Cartoons Filmography

Published on 2005-01-26 by Mark VandeWettering

Courtesy of a link on BoingBoing , here is a nicely done Warner Bros. Cartoons Filmography with frame grabs of lots of title cards. I’ve ...

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On Crime Dramas…

Published on 2005-01-25 by Mark VandeWettering

I watch a fair number of crime drama shows. Early on, I really liked CSI . It had some fairly interesting characters, and tried to ...

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Blog vs. Audioblog

Published on 2005-01-25 by Mark VandeWettering

Try comparing this blog entry with the audioblog that I mentioned yesterday . Same event, different media, different impressions. Thanks Wil! Addendum: Perhaps I should ...

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Oscar Nominations for The Incredibles

Published on 2005-01-25 by Mark VandeWettering

Well, the Academy has released their Oscar Nominees, and I’m pleased to see that The Incredibles was nominated in four categories: Best Animated Feature Best ...

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flickr.py

Published on 2005-01-24 by Mark VandeWettering

While playing around with Flickr, I did a quick grovel through their services API. It appears that James Clarke has already written a Python binding. ...

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Mini Surgery

Published on 2005-01-24 by Mark VandeWettering

I remember hearing the following question: Q: An alien comes down in a spaceship and hands you a small oblong gizmo. He tells you that ...

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Ah, Baseball…

Published on 2005-01-23 by Mark VandeWettering

Well, it’s just past the middle of January, but already this fan’s mind is turning toward opening day at the ballpark. I was following my ...

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Cheap Hardware Projects

Published on 2005-01-23 by Mark VandeWettering

If anyone has been following this blog for any period of time, you know I’m a bit of a gizmo freak. It’s not that I ...

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The Problem with Podcasting

Published on 2005-01-23 by Mark VandeWettering

It’s been about a week since I last put out a podcast. I wanted to do one today. After all, I’d hate to think that ...

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Vonage Doo-Hickey Arrived…

Published on 2005-01-22 by Mark VandeWettering

I finally had it with the phone company. I end up spending close to $100 most months with minimal long distance charges, and that seemed ...

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Today’s Geek Adventure

Published on 2005-01-22 by Mark VandeWettering

God, it’s 7:25AM and I’m awake on a Saturday. What am I thinking ? Well, I’m thinking that the Apple Store opens in 90 minutes, ...

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Giant squid ‘taking over world’

Published on 2005-01-21 by Mark VandeWettering

NEWS.com.au | Giant squid ‘taking over world’ According to scientists, squid have overtaken humans in terms of total bio-mass. That means they take up more ...

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Gathering Statistics for Your Weblog

Published on 2005-01-21 by Mark VandeWettering

I have to thank Russell Beattie for writing about StatCounter.com , the service that he uses to monitor his website. In the days immediately after ...

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Jumping on the Bed Stories…

Published on 2005-01-21 by Mark VandeWettering

Apparently over in Lisa’s world , her little one took a header off the bed and bumped his noggin. All seems to be well (phew!) ...

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Brainwagon Radio Comment Line

Published on 2005-01-21 by Mark VandeWettering

Well, everyone in the universe seems to be having fun with Skype, so I thought I would join the fun and open my very own: ...

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Apollo Guidance Computer Replica

Published on 2005-01-20 by Mark VandeWettering

While chatting with Tom over lunch, I was reminded of a guy who built his own Apollo Guidance Computer Replica . Tom was the guy ...

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Iron/Nickel Meteorite Found

Published on 2005-01-20 by Mark VandeWettering

In itself, meteorites are not uncommon, but what’s pretty cool is that the Mars rover Opportunity managed to land close to a basketball sized one ...

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Google Blog on Preventing Blog Spam

Published on 2005-01-19 by Mark VandeWettering

Google Blog If you’re a blogger (or a blog reader), you’re painfully familiar with people who try to raise their own websites’ search engine rankings ...

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Would you buy a house here?

Published on 2005-01-19 by Mark VandeWettering

Doc Searles snapped a picture of the town of La Conchita on a flight to Santa Barbara. Surf on over there and check out the ...

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GTA San Andreas

Published on 2005-01-18 by Mark VandeWettering

One industrious hacker created this master list of Grand Theft Auto: San Andreas cheat codes by wiring a PS/2 controller to his PC’s parallel port ...

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Gizmodo : NFL on iPod

Published on 2005-01-18 by Mark VandeWettering

In the first of what will likely be many attempts at commercializing podcasting, Gizmodo is reporting that the [NFL has inked a deal with audible.com ...

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One metachlorian short of a Jedi…

Published on 2005-01-17 by Mark VandeWettering

One last, long campout for ‘the Star Wars guy’ Jeff Tweiten lives on a periwinkle blue, fold-out futon on the sidewalk in front of the ...

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iPod returned!

Published on 2005-01-17 by Mark VandeWettering

My wife called and informed me that a Fedex Box had shown up from Apple with my newly repaired iPod tucked inside. Neat! Now I ...

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Comcast to raise broadband speed

Published on 2005-01-17 by Mark VandeWettering

[CNET News.com reports:][1] With Baby Bell local phone providers making inroads with cheaper but slower DSL service, Comcast and other cable companies hope to fight ...

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Ghost Busted!

Published on 2005-01-17 by Mark VandeWettering

From Italy, we get this story: A real-life Scooby-Doo villain has been jailed in Italy for four months for pretending to be a ghost. And ...

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Quiz for the Day

Published on 2005-01-17 by Mark VandeWettering

I score 38.5. I’m not sure if I wanted it to be higher or lower. (Found via mobitopia). ...

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Elektra

Published on 2005-01-15 by Mark VandeWettering

I had intended to go catch Elektra , the latest of the many Marvel epics, last night after Wil Wheaton’s booksigning, but by the time ...

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Webcam Images From Titan

Published on 2005-01-15 by Mark VandeWettering

The ESA/JPL has released the tiny image you see to the right and provided us with some background , but this image is as big ...

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Cassini snaps pictures of Iapetus

Published on 2005-01-14 by Mark VandeWettering

The Cassini probe has taken some awfully nice pictures, including this one of the moon Iapetus. The equatorial ridge is really very odd. The most ...

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jabber quickie

Published on 2005-01-14 by Mark VandeWettering

Over at random thoughts, they’ve got a nice quickie: Python code to talk to a jabber server . ...

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Lisa William’s on Blogging Policies

Published on 2005-01-14 by Mark VandeWettering

Lisa Williams has a terrific article on the policies and ethics which surround blogging . I’m actually most concerned with the actions of employers: the ...

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Python Gadget of the Day – Pydot

Published on 2005-01-13 by Mark VandeWettering

pydot is an interface to the GraphViz suite of programs for drawing abstract graphs and networks. Nifty. I’ve had need of such a thing quite ...

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Rx For XP

Published on 2005-01-12 by Mark VandeWettering

Microsoft has released a Malicious Software Removal Tool . I thought that’s what Linux install disks did. Bad-dump-pump. ...

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Call for topics!

Published on 2005-01-12 by Mark VandeWettering

I must admit it, I’m pretty empty today. I have a couple of topics that I could talk about in today’s podcast, but they seem ...

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Gutenberg Gem: Thinks to Make

Published on 2005-01-12 by Mark VandeWettering

Today’s Gem is Things to Make , by Archibald Williams . Yes, it’s dated, but c’mon! Where else are you going to find plans for ...

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Free beer that’s free as in speech

Published on 2005-01-11 by Mark VandeWettering

Not content with OpenCola? How ’bout Our Beer instead? It does have one drawback: It is based on classic ale brewing traditions but with added ...

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MacWorld Keynote Underway

Published on 2005-01-11 by Mark VandeWettering

What can I say, Steve is a master. Short list of stuff so far: Tiger improvements include: Spotlight Desktop Search Dashboard Quicktime 7, with H.264 ...

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Tiny DLP Projectors with LED Bulbs

Published on 2005-01-11 by Mark VandeWettering

Gizmodo reports about Tiny DLP Projectors with LED Bulbs . Interesting! Using LEDs as light sources may limit the ultimate size, but should result in ...

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OpenCola

Published on 2005-01-10 by Mark VandeWettering

While researching Cory Doctorow, I found he founded a company called Opencola. Now defunct, the primary result of their company seems to have been the ...

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The Hipster PDA

Published on 2005-01-09 by Mark VandeWettering

I’m 40 years old now, and I’ve realized two things: I’m much wiser than I was when I was 25, or even 35. My raw ...

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White Noise

Published on 2005-01-09 by Mark VandeWettering

I haven’t done a movie review in quite some time, but I did manage to get out with my better half to see White Noise ...

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Personal Achievement

Published on 2005-01-09 by Mark VandeWettering

I ran a mile today. A real mile, at a real run. I probably last did that at age 25. It probably doesn’t mean much ...

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Creative Commies T-Shirts

Published on 2005-01-09 by Mark VandeWettering

Bill Gates apparently think that those who seek to reform copyright terms are communists. The silliness of that claim has spawned a number of cool ...

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Deluo Bluetooth GPS Lite

Published on 2005-01-09 by Mark VandeWettering

While digging around, I found a Bluetooth GPS near the $100 price point: the Deluo Bluetooth GPS Lite . About $40 cheaper than the Delormé ...

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What is your alternative?

Published on 2005-01-08 by Mark VandeWettering

Over at evilgeniuschronicles, Dave Slusher has dug out yet another Internet pundit who proclaims that the idea of allowing every individual to have their own ...

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pypod

Published on 2005-01-08 by Mark VandeWettering

My ipod is on the fritz, so this isn’t immediately useful to me, but check out pypod : a Python library and script for manipulating ...

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A Day in Marin, In Pictures

Published on 2005-01-07 by Mark VandeWettering

I just created a new gallery of Carmen and my Day in Marin in my brainwagon photo gallery . We marched around Muir Beach for ...

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Vacation Day!

Published on 2005-01-06 by Mark VandeWettering

I could spend the day stewing over my laptop, my broken ipod, the mixer, or going to the store to buy a new microphone or ...

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Fickle Operating System of the Day

Published on 2005-01-06 by Mark VandeWettering

After a bit of frustration with the sound quality on Linux, I decided to go back to ground I’m more familiar with me: I installed ...

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Curious Laptop Behavior

Published on 2005-01-06 by Mark VandeWettering

The mystery deepens. I had a couple of mysterious crashes while using Fedora Core 3, and when I installed FreeBSD 5.3, tried a kernel recompile ...

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Podcasts stalled by crappy sound

Published on 2005-01-05 by Mark VandeWettering

I’m mostly satisfied with running Fedora Core 3, but I’m having some difficulty getting rid of the crackly, popping sound that you heard in my ...

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TiVo to Go Released

Published on 2005-01-03 by Mark VandeWettering

Slashdot reports that TiVo to Go has been released . I’ll download it later, and let you know how it works! (For those of you ...

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Whew! Back!

Published on 2005-01-03 by Mark VandeWettering

After an 11 hour drive from Portland back home, I’ve got the laptop in front of me, the Tivo playing all the shows I missed, ...

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I’ve had it!

Published on 2005-01-03 by Mark VandeWettering

I have finally decided to take the plunge: my laptop is now running Linux instead of Windows XP. I got tired of trying to debug ...

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Hercules

Published on 2005-01-01 by Mark VandeWettering

Ah, another “classic” movie has been released by archive.org : Hercules , starring Steve Reeves. Like so many of the feature films on archive.org, this ...

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Happy New Years!

Published on 2005-01-01 by Mark VandeWettering

Welcome to 2005! Hope everyone has had a pleasant holiday and is ready to get back to the serious work that we all have: namely ...

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Bridging San Francisco Bay

Published on 2005-01-01 by Mark VandeWettering

Another small video of some interest: Bridging San Francisco Bay , an industrial film created by U.S. Steel Co. to crow about the construction of ...

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Sidekick II

Published on 2005-01-01 by Mark VandeWettering

My wife got the new Sidekick II as her present to herself this year. I must admit: it’s nice. It’s got a nicer keyboard, nicer ...

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Opening Al Capones Safe…

Published on 2004-12-31 by Mark VandeWettering

I was out geocaching with Jeff and Marla yesterday, and we searched for one of their caches. In the second stage, we were required to ...

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Sad tale of device woe…

Published on 2004-12-30 by Mark VandeWettering

Tis a sad, sad day. My trusty Garmin GPS III was being carried by my wife down the stairs when she missed a step and ...

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EPIC 2014

Published on 2004-12-28 by Mark VandeWettering

A Flash Presentation on the Future of Media Thought provoking look at a possible future where collaborative media replaces traditional news media. ...

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Snell’s Law Song

Published on 2004-12-28 by Mark VandeWettering

Need a ballad dedicated to Willebrord van Roijen Snell? Look no further than the Snell’s Law Song . Found via the MASSIVE search engine. ...

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Christmas Music, ala PDP-1

Published on 2004-12-25 by Mark VandeWettering

In case you weren’t impressed by the 8-bit Christmas music, how ’bout these Christmas Carols generated on a PDP-1 . Ah, square waves. ...

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Merry Christmas!

Published on 2004-12-25 by Mark VandeWettering

No links, just heart felt best wishes for the holiday season! I’ll probably get breakfast going for the family soon, which will probably include toasted ...

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Christmas Audio

Published on 2004-12-24 by Mark VandeWettering

Need something to test out your new MP3 players? Well, you could surf over to Lisa and Rowan reading Twas the Night Before Christmas . ...

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Christmas at the Oakland Zoo

Published on 2004-12-24 by Mark VandeWettering

Well, today marked another nice trip to the Oakland Zoo. As always, I brought my digital camera so I could snap some pictures of the ...

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Boing Boing: The 8 bits of Christmas

Published on 2004-12-23 by Mark VandeWettering

Holiday-themed chiptunes from 8bitpeoples , link courtesy of BoingBoing. Kind of makes you want to dust off your Gameboy (not the DS, or the Advance, ...

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The Border Brass do Christmas Carols

Published on 2004-12-22 by Mark VandeWettering

Imagine Herb Alpert and the Tijuana Brass playing Christmas Carols. They might sound like this . Try especially <a href=http://nexus.colum.edu/user/morris/tijuana%20christmas/02.mp3"> God Rest Ye Merry Gentlemen ...

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Christmas Pasta

Published on 2004-12-22 by Mark VandeWettering

For Christmas Eve dinner, I like a dish which combines simple rustic flavors with little prep and cleanup. The big meal after all will be ...

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Ugly python made better

Published on 2004-12-21 by Mark VandeWettering

Here you can find a tidier p2p program inspired by tinyp2p . It seems to use the Set datatype, so is probably specific to python ...

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Fighting Referer Spam

Published on 2004-12-21 by Mark VandeWettering

In the last couple of days, I’ve been targetted by referer spam bots. These dorks access pages on a weblog repeatedly in an attempt to ...

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How bad is referer spam?

Published on 2004-12-21 by Mark VandeWettering

While exploring the depth of my ridiculous referer spam issue, I ran the following simple query: mysql> select count(*) as cnt , baseDomain from referer_visitlog ...

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Black Sunday For BitTorrent

Published on 2004-12-19 by Mark VandeWettering

Slashdot is reporting that TorrentBits.org and SuprNova.org have gone dark . There seems to be little really solid news as to the reason, but widespread ...

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Building Carma Karma

Published on 2004-12-18 by Mark VandeWettering

Well, as the holiday approaches, I’ve got all three cars in the shop virtually simultaneously: My Expedition, for shocks, two tires and alignment The Jeep, ...

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Stuck inside for the holidays?

Published on 2004-12-17 by Mark VandeWettering

Bristol Centre for Applied Nonlinear Mathematics | Publications | 2004 | Abstract of preprint 2004.3 This paper explains how one can crochet the Lorenz manifold, ...

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Early Random Number Generator Paper

Published on 2004-12-17 by Mark VandeWettering

Here is an interesting early paper on the justification, implementation, analysis and use of random number generators, written in 1959. The resulting machine generated about ...

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GCHQ Challenge

Published on 2004-12-17 by Mark VandeWettering

The GCHQ has a bit of a Christmas challenge: break the code they have on their website, and be entered in a drawing for winning ...

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Digital Libraries Considered Bad

Published on 2004-12-16 by Mark VandeWettering

Sometimes, you just have to shake your head at the stupidity of people. Today’s installment comes from the editorial pages of the New York Times, ...

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Bunny Cinema for Christmas

Published on 2004-12-15 by Mark VandeWettering

The classic It’s a Wonderful Life , directed by Frank Capra, but starring bunnies, and taking only 30 seconds . Caution: Didn’t work for me ...

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TinyP2P

Published on 2004-12-15 by Mark VandeWettering

Ed Felton of freedom-to-tinker has released a tiny 15 line Python program called TinyP2P which allows you to create a simple (if not secure or ...

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Book Scanning Robot

Published on 2004-12-15 by Mark VandeWettering

Ever wonder how they hope to digitize millions of books? Try looking at this film showing a book scanning robot working for archive.org. You can ...

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The Future of Scanners?

Published on 2004-12-15 by Mark VandeWettering

Gizmodo had a link to a flexible book scanner , basically a sheet of plastic filled with organic photodiodes and phototransistors that act as a ...

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Lego Logic Gates

Published on 2004-12-15 by Mark VandeWettering

The Goldfish Online has an extended treatise on building NOT, OR, NOR, And and NAND gates using everyone’s favorite building toy. ...

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You may launch when ready…

Published on 2004-12-14 by Mark VandeWettering

What do you have when you put a porta-potty and a surplus Boeing jet engine together? Answer: Too much time and money on your hands, ...

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Self Flagellation

Published on 2004-12-14 by Mark VandeWettering

My criticisms don’t just extend to others. Here’s my own attempt at self-flagellation today. I fired up my ipod this morning and was listening to ...

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Et tu, Marvel?

Published on 2004-12-13 by Mark VandeWettering

Fred von Lohmann of the EFF writes an interesting piece about Marvel’s complaint filed against NCSoft Corporation and Cryptic Studios , makers of the enormously ...

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Link Rank, courtesy of PubSub

Published on 2004-12-13 by Mark VandeWettering

Robert Scoble mentioned how you can get detailed graphs of your blogs popularity from PubSub . Click here to watch brainwagon’s slow slide to oblivion. ...

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The 2004 Geminid Meteor Shower

Published on 2004-12-13 by Mark VandeWettering

Nasa has a nice website describing the current Geminid meteor shower . It’s overcast here, so little chance of catching any meteors here, but perhaps ...

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Pot Roast Recipe, Sounds Yummy.

Published on 2004-12-13 by Mark VandeWettering

Stepping back from podcasting and intellectual property for a minute, I noticed that Lisa Williams posted a link to her husband’s pot roast recipe. Pot ...

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Useful Firefox Extensions

Published on 2004-12-12 by Mark VandeWettering

I love Firefox . It’s a great browser all by its lonesome. But it also has some nicely done extensions which have proven to be ...

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Christmas Colors!

Published on 2004-12-11 by Mark VandeWettering

Well, I scribbled up a new logo image on some scratch paper, scanned it, colored and touched it up with The Gimp , and did ...

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Complete ukulele kit for $22

Published on 2004-12-11 by Mark VandeWettering

For some of my do-it-yourself musicians, Boing Boing ran a link to this $22 kit to build a ukulele . I’m developing an intellectual if ...

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podcat likes brainwagon…

Published on 2004-12-10 by Mark VandeWettering

The fine gents at podcat.com saw fit to include me in their best of podcasting show for November 27th . Thanks for the plug! ...

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War of the Worlds ala Spielberg

Published on 2004-12-10 by Mark VandeWettering

Apple has just posted the teaser for Stephen Spielberg’s remake of War of the Worlds . Not much to see, but try comparing voice over ...

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Why is podcasting important?

Published on 2004-12-10 by Mark VandeWettering

Yesterday, I experienced something new as I recorded a podcast. It began innocently enough. I thought I would do ten minutes or so on basic ...

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Tucker Carlson and Ann Coulter

Published on 2004-12-10 by Mark VandeWettering

To quote Al Franken, “What is up with Ann Coulter?” Need another reason to blog? Try listening to Ann Coulter and Tucker Carlson . Is ...

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That Lisa Williams is Smart!

Published on 2004-12-09 by Mark VandeWettering

Lisa Williams has a nice weblog post on the need for uBlogger: a universal way of creating any weblog content from anywhere . Great idea! ...

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Happy Birthday!

Published on 2004-12-09 by Mark VandeWettering

Didn’t find out about it until late in the day, but I’d like to wish Tom a happy birthday! Best wishes to you and yours, ...

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Casting SPELs in Lisp

Published on 2004-12-09 by Mark VandeWettering

Lambda the Ultimate has a link to a cute (if somewhat basic) tutorial on LISP programming . It shows how you can construct a rudimentary ...

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Charlie Chaplin Festival

Published on 2004-12-09 by Mark VandeWettering

The feature film section of archive.org has just released The Charlie Chaplin Festival , including the short films The Adventurer , The Cure , Easy ...

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Scripting News, Trade Secrets and Ego

Published on 2004-12-09 by Mark VandeWettering

My rant begins with Dave Winer’s post on Scripting News , from which I quote: Here’s the Trade Secrets podcast I promised yesterday where we ...

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Chicken and Dumplings, ala Brainwagon

Published on 2004-12-09 by Mark VandeWettering

It’s cold (or what passes for cold in California) and rainy today, so it’s time to cook up something healthy and delicious. Here’s my recipe ...

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Referer of the Day: RasterWeb!

Published on 2004-12-08 by Mark VandeWettering

Occasionally I scan the referer list on the right and see who is linking to me. Today’s cross linker is from Pete at Rasterweb. This ...

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Minor website improvements…

Published on 2004-12-08 by Mark VandeWettering

I downloaded the most recent release of ChaitGear Powerpack , a set of WordPress Plugins that you include support for the referer list and an ...

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One of those days…

Published on 2004-12-08 by Mark VandeWettering

Yesterday was one of those days. You know the kind I mean. Nothing earth-shatteringly dramatic happened. Nobody had a stroke, or was poisoned or shot. ...

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Images in MP3 files for iTunes

Published on 2004-12-07 by Mark VandeWettering

The other day I noticed that several of the podcasts to which I normally subscribe started having cover art visible when I played them in ...

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Another good vocoder paper…

Published on 2004-12-06 by Mark VandeWettering

Tom Duff pointed me at Traditional (?) Implementations of a Phase-Vocoder: The Tricks of the Trade by Götzen, Bernardini and Arfib. Useful Matlab code included. ...

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More DSP tinkering…

Published on 2004-12-05 by Mark VandeWettering

Well, today I wasn’t feeling especially well, but I did manage to get a tiny bit of tinkering done. My idea was to implement the ...

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Chilling Effects Clearinghouse

Published on 2004-12-03 by Mark VandeWettering

Doc Searle had a link to the Chilling Effects Clearinghouse , an excellent site dealing with many issues related to the chilling effects that laws ...

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Spreadsheet, a cute Python hack…

Published on 2004-12-03 by Mark VandeWettering

The Python Cookbook has a new entry which I thought was especially clever, and perhaps the only really good use of eval that I’ve ever ...

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Roll Your Own RSS

Published on 2004-12-03 by Mark VandeWettering

The PhotoblogsWiki has a nice tutorial on rolling your own RSS feed for a photo weblog . Good stuff, and the kind of bootstrapping that ...

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Where does Brainwagon belong?

Published on 2004-12-02 by Mark VandeWettering

A direct question from Ruth Meers at Bloggercon served to percolate a question that has been kicking around subliminally for quite some time. What is ...

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Evesdropping on CRTs

Published on 2004-12-02 by Mark VandeWettering

Boing Boing mentioned a paper by Markus Kuhn on reconstructing the contents of a screen by measuring the reflected light in a room with a ...

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Gingerbread House Patterns

Published on 2004-12-02 by Mark VandeWettering

I’m as obsessive compulsive as the next guy (actually, I’m twice as obsessive), but even I am amazed at the dedication that resulted in this ...

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Fast Generation of Sine Waves

Published on 2004-12-02 by Mark VandeWettering

Every once in a while, I want to generate some pure sine waves for audio purposes, and I have to go digging around to find ...

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Anti-Lamenessing Engine (ALE)

Published on 2004-12-02 by Mark VandeWettering

My perusal of freshmeat today turned up a link to the ill-named Anti-Lamenessing Engine (ALE) , an image processing program that contains (among other things) ...

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Tidying up images…

Published on 2004-12-01 by Mark VandeWettering

While testing the low light performance of my new cellular phone, I noticed that even in medium indoor lighting , the camera had significant amounts ...

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iPodder out, Doppler is in…

Published on 2004-12-01 by Mark VandeWettering

Sorry the team working on iPodder , but I’ve become too frustrated with it to continue using it. I have been having problems with iTunes ...

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A Singular Christmas

Published on 2004-12-01 by Mark VandeWettering

Anyone who can mix eigenvalues and eggnog gets a thumbs up from me. Bonus brainwagon tip: wget -r -A.mp3 -l1 -H -np -nd http://eigenradio.media.mit.edu/christmas_2004.html ...

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Brainwagon Radio: MPx220 and MythTV

Published on 2004-12-01 by Mark VandeWettering

Where your host describes the fun he’s been having with his new cell phone and his travails in trying to get MythTV installed. Links for ...

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Useless debugger

Published on 2004-12-01 by Mark VandeWettering

I was trying to figure out why my Cinnamon Bear Podcast was not showing up on audio.weblogs.com after pinging. I checked it with the feed ...

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Python 2.4

Published on 2004-11-30 by Mark VandeWettering

Two things are occupying my mind this morning: the first: an internal reminder to pay my mortgage today, and the second is that Python 2.4 ...

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Phantom of the Opera

Published on 2004-11-29 by Mark VandeWettering

Time for another Gutenberg Gem! While listening to the notes on my DVD of the Phantom of the Opera, I was reminded that the tale ...

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Cinnamon Bear Podcast

Published on 2004-11-29 by Mark VandeWettering

Well, it’s November 29, which means that my podcast of the classic radio serial The Cinnamon Bear has officially begun. There are 26 episodes, each ...

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Rock On, Rock ON

Published on 2004-11-29 by Mark VandeWettering

Need an inexpensive hobby? Try Rock Balancing . Bill Dan appears to be rather good at it. ...

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Another Pixar Blogger

Published on 2004-11-27 by Mark VandeWettering

Wow, Metafilter kindly pointed me to another Pixarian who blogs: Ronnie del Carmen , and damn . Lots of really nice artwork. Sometimes working at ...

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New Cell Phone

Published on 2004-11-27 by Mark VandeWettering

Well, I couldn’t resist a sale this morning: Best Buy had the new Motorola MPX220 cell phones on sale for $49 after a $300 rebate ...

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Happy Thanksgiving!

Published on 2004-11-25 by Mark VandeWettering

To all the readers of these humble pages and all the listeners of my podcast, here are my best wishes to all and their families ...

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Ipodder Idea

Published on 2004-11-24 by Mark VandeWettering

I mentioned in yesterday’s audio podcast that it would be nice if ipodder clients did more to manage your collection of online audio from podcasts. ...

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Apple Audio Interface Speculation?

Published on 2004-11-24 by Mark VandeWettering

This morning the gadget sites (as well as some podcasters ) were all a twitter over the possibility of Apple producing a new audio interface ...

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Anime Popeye

Published on 2004-11-23 by Mark VandeWettering

Favorite quote: Woah! They are some kind of crazy midge-gets. Link courtesy of Metafilter ...

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Oh Good Lord…

Published on 2004-11-22 by Mark VandeWettering

We’ve seen plenty of games, chock-a-block full with violence, sex, sex and violence, but I must admit that it never dawned on me that someone ...

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Fun with street boxes

Published on 2004-11-22 by Mark VandeWettering

I can’t help but marvel at some people’s cleverness in inventing random acts of beautification. ...

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Ed Felten’s lecture

Published on 2004-11-22 by Mark VandeWettering

Cory Doctorow posted a link to Ed Felten’s Princeton President’s lecture: “Rip, Mix, Burn, Sue” , which helps explain some of the ideas behind the ...

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Whew! Found it!

Published on 2004-11-20 by Mark VandeWettering

To my great relief (and no doubt, the great pleasure of my wife) I found her missing wedding ring. Apparently it slipped off while she ...

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Hacking WordPress…

Published on 2004-11-20 by Mark VandeWettering

I’ve been thinking for sometime that I should really try out the new development version of WordPress . I hacked some crude support for enclosures ...

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Example Video From the Aiptek DV4500

Published on 2004-11-20 by Mark VandeWettering

{.alignright}Well, I promised to make a better review of the Aiptek DV4500 and to post some trial video and image files, and here they are. ...

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Burroughs’ Encyclopedia

Published on 2004-11-19 by Mark VandeWettering

I haven’t posted any Gutenberg Gems lately, so to right this serious wrong, consider Burrough’s Encyclopedia of Amazing Facts and Useful Information . Besides having ...

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Cool Optical Illusion

Published on 2004-11-15 by Mark VandeWettering

A classic illusion is the hollow face illusion, where a concave casting of the face appears convex. This is demonstrated neatly here , with a ...

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Cory Doctorow on Copyrights

Published on 2004-11-12 by Mark VandeWettering

Cory Doctorow gives a nice talk to a bunch of librarians, and somebody was kind enough to record. transcribe and post the Quicktime . ...

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Oops…

Published on 2004-11-10 by Mark VandeWettering

Herbert Baerten reported that my feeds weren’t valid RSS and that his client Doppler was having difficulties with it as a result. It should be ...

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Upset over the election?

Published on 2004-11-10 by Mark VandeWettering

Some people seem to take offense with the idea that Red States represent the New America . Warning: Strong Language. ...

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Dark Side of Oz

Published on 2004-11-10 by Mark VandeWettering

Ever wonder what happens if you play Pink Floyd’s Dark Side of the Moon as the soundtrack to The Wizard of Oz ? Wonder no ...

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Brainwagon Radio: Digital Audio 101

Published on 2004-11-09 by Mark VandeWettering

Where your host tries to give a meaningful introduction into digital audio by explaining the basics of digital audio. Topics covered include: What is sound? ...

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Caught on Tape, er, Flash!

Published on 2004-11-08 by Mark VandeWettering

I happened to be seated a couple of rows in front of Russell Beattie during the Mobile Weblogging session at Bloggercon, and he caught me ...

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Courtly Art of the Maya

Published on 2004-11-08 by Mark VandeWettering

Well, I wanted nothing more than to spend the day relaxing around the home, but my wife conned me into going over to the Legion ...

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Back from Bloggercon!

Published on 2004-11-07 by Mark VandeWettering

Well, I’m back after my full day at Bloggercon . Apologies for not trying to stick around and catch dinner with some of you folks: ...

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Bloggercon Post-Mortem

Published on 2004-11-07 by Mark VandeWettering

Where your host, refreshed by two ibuprofen and eight hours of sleep, replays his experience and impressions of Bloggercon . Closing music from garageband.com : ...

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Bloggercon!

Published on 2004-11-06 by Mark VandeWettering

Well, it’s finally arrived: Bloggercon . I’m just arming myself with my digital camera and my tiny voice recorder, I suspect that if I brought ...

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The Incredibles Opens!

Published on 2004-11-05 by Mark VandeWettering

Today is the opening day for the latest Pixar Animation Studios film, The Incredibles directed by Brad Bird . In the interest of full disclosure, ...

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Brainwagon Radio: Post Election Blues

Published on 2004-11-03 by Mark VandeWettering

Where your host records half of the program with his mike muted, then re-records an apology to his brother, spins two rockin’ blues tunes from ...

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Where did my country go?

Published on 2004-11-03 by Mark VandeWettering

While as of this hour Bush has not declared victory, nor Kerry conceded victory, both seem to be inevitable. I’m depressed, and I can’t help ...

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The Treo Podcast

Published on 2004-11-03 by Mark VandeWettering

Russell Holliman’s Treo Podcast is rapidly becoming one of my favorites. Try looking at his mobilepodcast.org: Pre-Election Podcasts NOT About Election episode. Particularly amusing: his ...

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Books in the Queue…

Published on 2004-11-02 by Mark VandeWettering

Inspired by Dave Slusher’s mention of Robert Rodriguez and his Ten Minute Film School, I decided to get a bunch of books on the subject ...

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Brainwagon Radio: Election Eve Politics

Published on 2004-11-02 by Mark VandeWettering

Breaking with the tradition of geeky news, your host explains why he’s voting for the Kerry/Edwards ticket this year, and encourages everyone to go out ...

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A Scheme to C compiler in 90 minutes

Published on 2004-11-02 by Mark VandeWettering

In a previous lifetime, I actually knew something about the compilation of functional programming languages. Hence, I found this presentation about writing a Scheme to ...

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Jon Stewart on C-SPAN

Published on 2004-11-01 by Mark VandeWettering

C-SPAN recently ran an interview with Jon Stewart and just like his appearance on Crossfire , he continues to roast the conventional television media for ...

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Mysteries of Package Tracking

Published on 2004-11-01 by Mark VandeWettering

First thing this morning I decided to try to track my latest amazon order to see when it was going to arrive. I got the ...

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Bad Film? You are soaking in it!

Published on 2004-10-31 by Mark VandeWettering

Interested in fan films? Then try giving Attack of the Flesh-Eating Subterranean Bog-Monster from the Center of the Earth and Beyond the Moon: Apocalyptic Revenge! ...

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Am I part of the popular crowd?

Published on 2004-10-30 by Mark VandeWettering

In some ways, I’m blown away by the popularity of my podcasts, and yet in listening to people like Adam Curry, Dave Slusher, or even ...

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Halloween Podcast!

Published on 2004-10-30 by Mark VandeWettering

Well, it’s still a couple of days till Halloween, but I thought I would to this special halloween themed podcast so that you could still ...

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The Internet Turns 35

Published on 2004-10-29 by Mark VandeWettering

In the 1960s, computer scientists at American universities and in the U.S. Department of Defence devised a plan for a network of computers that could ...

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Interview with a Lawyer for Tivo

Published on 2004-10-28 by Mark VandeWettering

Wired is running this interview with a lawyer for Tivo regarding their new changes to respect broadcast flags for pay-per-view content. While it’s bad news ...

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Happy Halloween!

Published on 2004-10-27 by Mark VandeWettering

In an effort to get in the mood for Halloween, I thought that I would change the default color scheme on my weblog until after ...

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Free Good Music for Podcasts

Published on 2004-10-26 by Mark VandeWettering

Doug Kaye reports that Magnatune proprietor John Buckman considers podcasts to be noncommercial uses under the Creative Commons, and as such you can use their ...

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Happy Anniversary Honey!

Published on 2004-10-25 by Mark VandeWettering

Ten years ago I had a job interview with SGI, and afterwards went on a first date with Carmen. I didn’t get the job, but ...

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Bring Dead Art Back to Life!

Published on 2004-10-25 by Mark VandeWettering

Awesome! Undeadart.org (a division of FreeCulture ) is having a contest to remix clips from classic zombie flicks! What an awesome idea! Since the public ...

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World Series Preview

Published on 2004-10-23 by Mark VandeWettering

Well, it’s time for the Series, and it’s Red Sox versus the Red Birds. Here are some pre-series thoughts, along with my prediction. Defense: the ...

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NASA Crash Tests

Published on 2004-10-23 by Mark VandeWettering

You can view all sorts of aircraft crash videos from NASA including the rather famous one of the fuel that was supposed to resist ignition ...

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Silly Patent of the Week

Published on 2004-10-22 by Mark VandeWettering

In the realm of patents being issued for the obvious, Phillip Torrone of the Edgadget website mentioned in his podcast that photomosaics had been patented ...

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Boston vs. St. Louis in the Series…

Published on 2004-10-22 by Mark VandeWettering

Okay, I’ve been boring people with baseball talk in the podcast, so I’ll just briefly mention it here: St. Louis defeats the Houston Astros 5-2 ...

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System Downtime

Published on 2004-10-21 by Mark VandeWettering

Something occurred this morning that I have never seen on a FreeBSD-stable box: something glitched and my webserver was hung (I suspect for a very ...

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Joke of the Day…

Published on 2004-10-21 by Mark VandeWettering

Contributed by Tom Duff: Q: What’s the difference between Iraq and Viet Nam? A: GWB had a plan to get out of Viet Nam. ...

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Podcast #23, Go Sox!

Published on 2004-10-20 by Mark VandeWettering

Wherein your host is once again proven wrong and the Sox go on to fight another day. Other items of interest: Curt Schilling — hero ...

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Stellarium

Published on 2004-10-19 by Mark VandeWettering

{.alignright} {.alignright}Today’s cool bit of software is Stellarium : a realistic sky simulator available for both Windows and Linux and Mac OS X (thanks mneptok!). ...

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The Prokudin Gorskii Collection

Published on 2004-10-18 by Mark VandeWettering

{.alignright}The autochrome images of World War I subjects reminded me of the excellent Prokudin-Gorskii collection that you can see at the Library of Congress website. ...

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Podcast #21

Published on 2004-10-18 by Mark VandeWettering

Where your disgruntled host lauds Jon Stewart’s appearance on Crossfire, including a short clip and further rants about the commercialization of the “podcast platform”. ...

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Red Sox 6, Yankees 4, 12 innings

Published on 2004-10-18 by Mark VandeWettering

This teaches me not to turn off games in the 7th inning. Looks like I missed some real theatrics. But sorry Sox, your defeat is ...

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Lego, the Type Designer’s Friend

Published on 2004-10-17 by Mark VandeWettering

Mark Simonson has a really nifty website on typography. I originally found it because he built a mechanism for holding filmstrips of fonts out of ...

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Autochrome Images of World War I

Published on 2004-10-17 by Mark VandeWettering

World’s Armed Forces Forum points to some magnificent color autochrome images from WWI. These images were among the first color images produced, and show remarkable ...

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The Smartest Man in America

Published on 2004-10-17 by Mark VandeWettering

Damn, I just got the opportunity to watch Jon Stewart’s appearance on Crossfire and boy, did he totally, brutally dominate Paul Begala and Tucker Carlson. ...

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Podcast #20, A Short One

Published on 2004-10-16 by Mark VandeWettering

Wherein your movie going host gives a brief update on his experiments with Asterisk, and reviews the mediocre new movie release Team America . Sorry ...

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Quote of the Day

Published on 2004-10-15 by Mark VandeWettering

“The President is merely the most important among a large number of public servants. He should be supported or opposed exactly to the degree which ...

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Fun with Cellular Automata

Published on 2004-10-15 by Mark VandeWettering

{.alignright}As part of my dose of IT Conversations recently, I listened to this interview with Stephen Wolfram , author of the book A New Kind ...

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Volcano Movie

Published on 2004-10-14 by Mark VandeWettering

A while ago, I wrote a simple script to fetch pictures from one of the Mount St. Helens volcano cams . I only ran it ...

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Podcast #19

Published on 2004-10-14 by Mark VandeWettering

Where your host tries to get in touch with his inner geek, ponders the world of functional programming, and then rambles about VOIP and Asterisk. ...

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Smarter Playlists for iTunes

Published on 2004-10-14 by Mark VandeWettering

Here is a little tip that I just figured out. I was trying to use a smart playlist to create a special playlist which contained ...

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More ideas for ipodding clients

Published on 2004-10-11 by Mark VandeWettering

Well, my experiments with podcasting are revealing a couple of problems with the current podcasting solutions, and I thought I’d write a couple of them ...

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Apologies…

Published on 2004-10-10 by Mark VandeWettering

My website was offline yesterday, I’m trying to debug a network problem. It may experience some additional problems today. I’ll try to settle it down ...

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More success…

Published on 2004-10-09 by Mark VandeWettering

I am the King! I am the King! Well, my little podcasting video was an enormous success, so enormous in fact that I am left ...

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Podcasting, Debates and My Weekend

Published on 2004-10-09 by Mark VandeWettering

Wherein your host talks once again about the nascent field of podcasting, gives his impressions of tonight’s debate, and describes a busy weekend. I also ...

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The first rule of podcasting…

Published on 2004-10-08 by Mark VandeWettering

I just finished listening to the latest of Dave Slusher’s Evil Genius Chronicles (love the show Dave!) and thought I’d merely give my comments about ...

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Mirrors, anyone?

Published on 2004-10-08 by Mark VandeWettering

I’m getting hammered pretty hard by requests for my “podcast.wmv” file. Anyone want to create a mirror for it? Send me an email . ...

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Bandwidth Monitoring…

Published on 2004-10-08 by Mark VandeWettering

I’m getting hammered enough that I thought it might be prudent to install some software to figure out just how hard I am getting hammered. ...

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Podcasting Video

Published on 2004-10-07 by Mark VandeWettering

During my last audio podcast, I promised that I was going to make a short video showing how I record my audiopodcast sessions, and here ...

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Victim of your own podcasting success?

Published on 2004-10-06 by Mark VandeWettering

I passed another minor milestone: according to my script which peruses my http logfiles for downloads of my podcasts, over 100 unique IP addresses have ...

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Stair Dismount

Published on 2004-10-06 by Mark VandeWettering

While watching the amateur video program The Packet Sniffers , I was introduced to Stair Dismount . It is a wacky little “game”, where you ...

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Peeved Squirrel

Published on 2004-10-05 by Mark VandeWettering

My brother snapped this picture of this cute little squirrel while he (my brother, not the squirrel) was stacking up wood for the upcoming winter. ...

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Memory Walk 2004

Published on 2004-10-05 by Mark VandeWettering

On short notice, my wife and I have decided to participate in this years Memory Walk 2004, a fundraiser for the Alzheimer’s Association, which takes ...

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Engadget on Podcasting

Published on 2004-10-05 by Mark VandeWettering

Engadget has a nice article on getting and making podcasts . It’s mostly Mac-centric, but still could be of use to others. ...

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SpaceShipOne captures X Prize

Published on 2004-10-04 by Mark VandeWettering

Well, today SpaceShipOne launched again, and if its final altitude of 368,000 feet is verified, will become the winner of the coveted X Prize. Congratulations ...

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Doom3, Halo, and Sound Effects CDs

Published on 2004-10-04 by Mark VandeWettering

Wherein your host bores potential listeners with late night reviews of Doom3 and Halo, points out the silliness of copyrights on sound effects CDs , ...

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Thanks Adam, I feel better.

Published on 2004-10-04 by Mark VandeWettering

Last night, I did what I consider to have been one of the poorer podcasts. Frankly, I was tired and empty of ideas, and just ...

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Unemployment, Baseball and Strangerhood

Published on 2004-10-02 by Mark VandeWettering

Where IT downsizing claims another victim, the Angels victimize the A’s, and your host anticipates the creation of a new machinima series called The Strangerhood ...

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It could be worse…

Published on 2004-10-02 by Mark VandeWettering

I could be a Cubs fan. To the Anaheim Angels: give the Yankees and Red Sox hell, boys. ...

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About last night’s “debate”…

Published on 2004-10-01 by Mark VandeWettering

Wherein your skeptical Democratic host rambles for 25+ minutes on the outcome of last night’s (for lack of a better word) “debate”. Warning: fans of ...

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Math Puzzle of the Day…

Published on 2004-10-01 by Mark VandeWettering

Consider all the powers of 2: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, and so on… The unit digits follow the ...

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Mt. Saint Helens Erupting

Published on 2004-10-01 by Mark VandeWettering

My brother in Portland just reported to me that Mt. Saint Helens is beginning to spew ash up into sky. Apparently a modest eruption in ...

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Patent of the Day – Slinky!

Published on 2004-09-30 by Mark VandeWettering

Some patents are just too much fun, and the pat2pdf script allows you to look them up and get a look at them. Today’s fun ...

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Earthquake! Baseball! Copyright!

Published on 2004-09-29 by Mark VandeWettering

Wherein your host is stirred (but barely shaken) by an earthquake and then goes on to ponder baseball, copyrights and other miscellaneous topics o’ the ...

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Woohoo! Validation!

Published on 2004-09-29 by Mark VandeWettering

I was surfing this morning and noticed that Dave Slusher, the Evil Genius , had provided a link to this site in the announcement of ...

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Shake, rattle and roll.

Published on 2004-09-28 by Mark VandeWettering

Just a few minutes ago, I felt a couple of gentle rolls that usually indicate an earthquake. I mentioned it to my wife via IM, ...

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Blogger fooled, news at 11.

Published on 2004-09-27 by Mark VandeWettering

Your beloved editor (that’s me, in case you didn’t realize) was apparently taken in by an Internet hoax . The image of the “computer of ...

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Unrest in the world…

Published on 2004-09-27 by Mark VandeWettering

Volcanic unrest, that is. It appears that Mount St. Helens is rumbling a bit, enough so that scientists have posted a warning of volcanic unrest ...

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Keyboard Kraziness…

Published on 2004-09-27 by Mark VandeWettering

Somebody had an idea that I had a long time ago: to use evolutionary techniques to evolve a better keyboard layout that QWERTY or even ...

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HOWTO: Produce Your Own AudioBlog

Published on 2004-09-27 by Mark VandeWettering

Andrew Grumet asked in one of my comments what hardware and software I used to produce my audioblogs. Since I thought this might be of ...

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Hand Shadows

Published on 2004-09-26 by Mark VandeWettering

Cory Doctorow over at boingboing drew my attention to the classic Hand Shadows by Henry Bursill . Does your kid want a new Playstation 2 ...

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My bad speech habits…

Published on 2004-09-26 by Mark VandeWettering

Wherein your host apologizes for his inept speech habits, reviews the Star Wars trilogy DVD collection, yaps a bit about graphics hardware and Moore’s law, ...

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Not only bike locks which are vulnerable…

Published on 2004-09-25 by Mark VandeWettering

[Quad-City Times Newspaper Online reports][1] that a local man who wished to remain anonymous found that the recently uncovered [bicycle lock vulnerablities][2] apply just as ...

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Smalltalk Book Now Free

Published on 2004-09-25 by Mark VandeWettering

The book Smalltalk-80: BIts of History, Words of Advice is now available for free download as a PDF file. Cool! ...

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Free Reads by Jim Kelly

Published on 2004-09-24 by Mark VandeWettering

Free Reads has a collection of short fiction read by their author Jim Kelly. More food for the insatiable ipod! ...

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Blogging statistics?

Published on 2004-09-24 by Mark VandeWettering

Dave Slusher was musing about a peculiar statistic of his audio blogging experiments: all the commentors appear to be male. That set me to wondering ...

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Audio regarding Fish, Doom3 and Thunder

Published on 2004-09-24 by Mark VandeWettering

Wherein your noble host explains about ipodder , ponders the demographics of weblogging, gives his brief thumbs up for Doom3, hints about betta fish, and ...

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Blogging, baseball and creative writing

Published on 2004-09-23 by Mark VandeWettering

My latest audioblog which consists of musings about the role of weblogs and audioblogs, my best baseball story, my experience with my new creative writing ...

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PONGMECHANIK

Published on 2004-09-22 by Mark VandeWettering

*\ * PONGMECHANIK ** is the coolest thing I’ve seen in a while. Don’t miss the explanatory video either. ...

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Another milestone.

Published on 2004-09-22 by Mark VandeWettering

My email server has been up for just four days, and is mentioned only in a single post on my weblog. Today I received the ...

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Happy Birthday Adam!

Published on 2004-09-21 by Mark VandeWettering

Happy Birthday To You… Happy Birthday To You! Happy Birthday Dear Adam! Happy Birthday To You! It’s Adam’s 21st birthday. He’s officially an adult now, ...

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About me…

Published on 2004-09-20 by Mark VandeWettering

As part of my continuing education, I decided to take a creative writing course that is being given through Pixar University, Pixar Animation Studio’s ongoing ...

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Sorry for the light news…

Published on 2004-09-19 by Mark VandeWettering

Sorry readers, I didn’t have much time for the Internet last night. I was co-opted into helping my wife search for the perfect dress for ...

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The Computer of Today, From Yesterday!

Published on 2004-09-19 by Mark VandeWettering

{.alignright}The caption reads: Scientists from the RAND Corporation have created this model to illustrate how a “home computer” could look like in the year 2004. ...

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Sigh…

Published on 2004-09-17 by Mark VandeWettering

For the moment, comments to my weblog are disabled. This is because I have an IP spoofing spammer who has been hammering my website, posting ...

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Eric Idle on the FCC (and more)

Published on 2004-09-17 by Mark VandeWettering

Eric Idle, you’re my hero. SLITFOASNSFW (Strong Language In The Form Of A Song, Not Safe For Work). Thanks to Dan Lyke of Flutterby! for ...

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Die Spammer Die!

Published on 2004-09-17 by Mark VandeWettering

Ode to a downright bastard. The mp3 itself doesn’t have the right tags. It’s too late to fix. I apologize. ...

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Ivan the Terrible

Published on 2004-09-16 by Mark VandeWettering

Hurricane Ivan is about to go ashore. It’s a category 4 hurricane, with sustained wins of 135 miles per hour. Two people in the U.S. ...

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Sky Captain and the World of Tomorrow

Published on 2004-09-16 by Mark VandeWettering

It’s sometimes important for me to remember that working for Pixar Animation Studios does have its perks: today we were blessed with a preview screening ...

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Another audio blog…

Published on 2004-09-16 by Mark VandeWettering

Well, here’s my latest installment of audioblogging. Hear my praise for the movie Sky Captain and the World of Tomorrow , some ranting about my ...

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Gill – Six Months in Ascension

Published on 2004-09-16 by Mark VandeWettering

Those clever lads and lasses at Metafilter had a very cool link to Isabel Gill’s Six Months in Ascension , written in 1877. Sir David ...

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Underground Cinema

Published on 2004-09-13 by Mark VandeWettering

I must admit, I’m intrigued by the stories being reported about a secret group setting up movie theaters in the catacombs beneath Paris . Damn, ...

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OS-tan

Published on 2004-09-13 by Mark VandeWettering

Oh good God . I think I’m glad I can’t understand Japanese . The idea that I might “get” what this is all about just ...

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My Second Audio Blog…

Published on 2004-09-12 by Mark VandeWettering

Today’s audio blog recapitulates the days major events, at least as viewed by me. My rememberences of Sept 11, the North Korean “nuclear test”, and ...

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Resident Evil: Apocalypse

Published on 2004-09-12 by Mark VandeWettering

Well, today’s weekend movie extravaganza was the long awaited (at least in the VandeWettering house) Resident Evil: Apocalypse . For those of you who have ...

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Pictures of the Hopper…

Published on 2004-09-11 by Mark VandeWettering

As I mentioned in my audio blog today, I was diverted from my mornings appointments by this little guy who appeared on my windshield as ...

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Remembering 9/11

Published on 2004-09-11 by Mark VandeWettering

I must admit, it snuck up on me a bit. Tomorrow is the third anniversary of the terrible events in New York, at the Pentagon ...

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How to Make Fried Oreo Cookies!

Published on 2004-09-10 by Mark VandeWettering

What more of an intro do you need to this link? Fairy’s Strange Junkfood Tribute: How to Make Fried Oreo Cookies! In trying to find ...

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First Audio Weblog Post

Published on 2004-09-10 by Mark VandeWettering

Well, this is my first attempt to enter the glamorous world of audioblogging. I’ve brutally hacked the wp-rss2.php script to output enclosures whenever you add ...

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The Original Brain Wagon

Published on 2004-09-09 by Mark VandeWettering

{.alignright}I have to give credit where credit is due: the name “brainwagon” was first suggested by Tom Lokovic , based upon the theory of jamming ...

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UNIX® on the Game Boy Advance

Published on 2004-09-08 by Mark VandeWettering

UNIX® on the Game Boy Advance is an implementation of the 5th version of the Unix Operating System for the ARM chip inside the gameboy. ...

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My Memories of the Game…

Published on 2004-09-07 by Mark VandeWettering

The drubbing of the Oakland A’s at the hands of the Boston Red Sox did two positive things: it reminded me that a great duel ...

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Another Zoo Pic

Published on 2004-09-07 by Mark VandeWettering

{.alignright}Here is another picture from my weekend zoo excursion. Surprisingly, these little guys have proven to be very hard to photograph, largely because they blend ...

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What I Cooked For Dinner…

Published on 2004-09-07 by Mark VandeWettering

I can’t really believe that I’ve been blogging for over two years, and I haven’t gotten around to posting about one of my passions in ...

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Zoo Excursion

Published on 2004-09-06 by Mark VandeWettering

Spent the other day at the Oakland Zoo. I finally got some decent pictures of one of the female lions using my Nikon 4300 and ...

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The War Prayer

Published on 2004-09-05 by Mark VandeWettering

Stuff by Samuel Clemens , a good antidote to watching the RNC. ...

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New Gadget — A DVD Burner

Published on 2004-09-04 by Mark VandeWettering

Well, I finally caved in. DVD burners and blanks are now cheap enough that burning CD-Rs seemed like a waste of time, so I went ...

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Musings re: iPod and Audioblogging

Published on 2004-09-03 by Mark VandeWettering

Well, my week long vacation is slowly slipping away, and it appears that I’ll do relatively little programming during the 11 consecutive days that I ...

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How popular am I?

Published on 2004-09-02 by Mark VandeWettering

I’ve begun to wonder who (and how many) read this blog. I’m now averaging 65 megabytes of downloads per day, with 1581 unique hosts served ...

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Hero

Published on 2004-09-02 by Mark VandeWettering

Hero is the U.S. release of the movie Ying xiong , starring Jet Li as Nameless, a man who has defeated the three top assassins ...

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Hacking Perl in Nightclubs

Published on 2004-09-02 by Mark VandeWettering

Alex Maclean thinks of Perl programming as a type of performance art . He improvises new programs that generate music while standing on stage. He ...

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An Audioblogging Manifesto

Published on 2004-09-01 by Mark VandeWettering

Thanks to Cory Doctorow for pointing out An Audio Blogging Manifesto , both in text format and as an mp3 file with inspiring background music ...

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Apple – iMac G5

Published on 2004-08-31 by Mark VandeWettering

Apple has just released a new iMac G5 , and damn, it does look awfully cute. I like the trend of shrinking the footprint of ...

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Ickk!

Published on 2004-08-31 by Mark VandeWettering

Warning: not for the especially squeamish: eMJA: Myxoedema and a lost wedding ring ...

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My Weekend

Published on 2004-08-30 by Mark VandeWettering

Well, it’s Monday, and I’m back from my weekend trip to Disneyland. With the wife, son, and two of his friends in tow, we conquered ...

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Kenneth Snelson

Published on 2004-08-30 by Mark VandeWettering

Thanks to the gents on Metafilter for calling my attention to Kenneth Snelson’s exposition on Tensegrity . He has a nice presentation that shows the ...

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XM Radio and Time Trax

Published on 2004-08-30 by Mark VandeWettering

During one of my many explorations of the net, I found mention of a program called TimeTrax , a program which converts songs broadcast over ...

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Hamster-Powered Night Light

Published on 2004-08-27 by Mark VandeWettering

Hamster-Powered Night Light is a really nice school project that the people at otherpower.com helped an eight grader realize. They modified a hamster wheel to ...

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A’s over Baltimore, 3-0

Published on 2004-08-26 by Mark VandeWettering

Just a quick note after a memorable game. Rich Harden and Bruce Chen battled and each gave up no runs. Chen had a no-hitter into ...

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Audio and Video Blogging

Published on 2004-08-25 by Mark VandeWettering

Growl. I’m irritated today because I realize that there are magic djin inside my computer, and I don’t know how to harness them to do ...

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How-To Tuesday: Make 3-D photos

Published on 2004-08-24 by Mark VandeWettering

Those lads at engadget.com have a nice tutorial as part of their How To Tuesday series on producing 3-D anaglyphs using free software. It’s not ...

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Cat, or Gargoyle?

Published on 2004-08-24 by Mark VandeWettering

You decide. Our own kitty, whom we’ve named Scrappy, ranks a respectable 7.8 on ratemykitten.com . This cat, well, not as much. ...

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Change This

Published on 2004-08-24 by Mark VandeWettering

Today’s link of the day routes you to ChangeThis , a website with an interesting idea: if you distribute good ideas, people will adopt, adapt ...

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Garden State

Published on 2004-08-23 by Mark VandeWettering

This weekend’s movie extravaganza was Garden State , starring, written and directed by Zach Braff. Braff is perhaps best known for his role on the ...

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Making Sh*t Up

Published on 2004-08-23 by Mark VandeWettering

My brother and I had a conversation recently about police merely making up laws to roust you about. Apparently some cops think they can make ...

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The Vision of Hell

Published on 2004-08-21 by Mark VandeWettering

Project Gutenberg just released The Vision of Hell, by Dante Alighieri , translated by Rev. Carey and illustrated by Gustave Doré. If Doré’s Bible I ...

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Computer Chronicles Flashback

Published on 2004-08-21 by Mark VandeWettering

I was amazed to watch this old episode of Computer Chronicles which chronicles the swansong of the Apple II series of computers. What the people ...

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BatBox installed on Linux Router

Published on 2004-08-21 by Mark VandeWettering

Just an update on the Linksys WRT54GS router that I bought. I’m as yet too chicken to reflash it, but I did install BatBox on ...

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Useless Security Measures

Published on 2004-08-20 by Mark VandeWettering

SFGate.com reports that Senator Ted Kennedy was delayed in boarding because his name appeared on a terror watchlist as an alias . Oh, dear, God. ...

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Phil Zimmerman on Moore’s Law

Published on 2004-08-20 by Mark VandeWettering

I think the biggest threat to privacy is Moore’s law. The human population does not double every eighteen months but the ability to keep track ...

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Dick Van Dyke – Animator?

Published on 2004-08-20 by Mark VandeWettering

Apparently the legendary Dick Van Dyke put in an appearance at SIGGRAPH 2004 and demonstrated some of his animations. It’s really very cool that a ...

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Linux on Your Router

Published on 2004-08-20 by Mark VandeWettering

Ever wanting to keep up with the other hackers on the street, I recently decided to upgrade my 802.11b network to run 802.11g. Toward that ...

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Decision in MGM v. Grokster

Published on 2004-08-19 by Mark VandeWettering

The 9th Circuit Court of Appeals has ruled, and found that Grokster is not liable for copyright infringement of its users. You can read the ...

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Dore Bible Gallery

Published on 2004-08-19 by Mark VandeWettering

Project Gutenberg recently completed scanning the Bible Illustrations of Gustav Dore . While I prefer illustrations of crazy scientists and proto-hominid skeletons, you might find ...

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Collateral

Published on 2004-08-19 by Mark VandeWettering

I had a rare “middle of the week” movie attack last night (there was nothing on television) so the wife and I trundled off to ...

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Bloggercon

Published on 2004-08-18 by Mark VandeWettering

Despite the fact that I’ve been blogging for over two years, I have as yet really developed a sense of the impact of weblogs on ...

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Clip Art O’ The Day

Published on 2004-08-18 by Mark VandeWettering

Another bit of clip art from the lads at Project Gutenberg. This one comes from the same issue of Punch that I mentioned earlier . ...

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On Audio Blogging

Published on 2004-08-18 by Mark VandeWettering

I’ve begun to become interested in the idea of audio blogging, or more generally, multimedia blogging. Ideally, I want to have a way to compose ...

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Political Cartoons of the Past

Published on 2004-08-17 by Mark VandeWettering

{.alignright}Project Gutenberg has been digitizing various periodicals from the 19th century, and some of them have included some very nice line art which I thought ...

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AMD K8 has reprogrammable microcode

Published on 2004-08-16 by Mark VandeWettering

Real World Technologies lists an interesting article about the AMD K8 processor and its previously unnoticed ability to patch its own microcode. Apparently AMD has ...

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Alien vs. Predator

Published on 2004-08-16 by Mark VandeWettering

Warning: This may contain something you will view as a spoiler. You’ve been warned. It was with some mixed feelings that I decided to go ...

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Weekend of Fun

Published on 2004-08-16 by Mark VandeWettering

Well, I’ve been busy this weekend helping my son repaint his room. It’s now a lovely sky blue, with faux-finished images of clouds painted all ...

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Headline of the Day

Published on 2004-08-16 by Mark VandeWettering

Bush TV ad targets Kerry on intelligence issues Boy, if that isn’t the pot calling the kettle black. ...

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Experiments in video capture

Published on 2004-08-16 by Mark VandeWettering

I recently reinstalled my Hauppauge Win-TV card in my server box, and have been working a bit at getting my webcam software up and running. ...

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Radio Tidbits

Published on 2004-08-13 by Mark VandeWettering

A couple of quick items regarding radio, that incredibly passé form of media that nonetheless seems to occupy a great deal of my time. Nerosoft ...

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Au Revoir, Julia

Published on 2004-08-13 by Mark VandeWettering

The great legend of cuisine, Julia Child, passed away today in her sleep. She was three days short of her 91st birthday. In the last ...

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void && NULL

Published on 2004-08-12 by Mark VandeWettering

While driving in this morning, the airwaves were abuzz with the news that the California Supreme Court had ruled to annul 4000 same sex marriages ...

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Armadillo Crash Video

Published on 2004-08-12 by Mark VandeWettering

Finally got back to looking at the video from the crash of Armadillo Aerospace’s 48inch test vehicle . In the words of Bugs Bunny, what ...

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Snitch, the Copyright Ferret

Published on 2004-08-11 by Mark VandeWettering

News.com is running a story about the [BSA’s new mascot][1], a ferret who lectures children about the perils of the copyright infringement. Children will play ...

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Tough Weekend for Would-be X Prizers

Published on 2004-08-09 by Mark VandeWettering

There were two failures of launch vehicles this weekend. The 48 inch launch vehicle of Armadillo Aerospace crashed, leaving what was described on their website ...

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danny bot: the film

Published on 2004-08-09 by Mark VandeWettering

Gave me a chuckle. Thanks to td and tdl for pointing me at it. danny bot: the film ...

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Long Exposure Tools

Published on 2004-08-09 by Mark VandeWettering

Freshmeat listed an interesting new project called Long Exposure Tools . Like many cool ideas, it’s actually very simple. It takes multiple exposures, and combines ...

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Rick Boucher, Guest Blogger on lessig.org

Published on 2004-08-09 by Mark VandeWettering

Congressman Rich Boucher is guest blogging on Lawrence Lessig’s blog this week. Congressman Boucher is fairly rare amongst politicians in that he actually seems to ...

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Harold and Kumar Go To White Castle

Published on 2004-08-07 by Mark VandeWettering

Friday nights are terrible for television. Usually I’m out teaching people how to make telescopes, but last night I was just not in the mood. ...

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On Politics

Published on 2004-08-07 by Mark VandeWettering

Except for my occasional bleats about intellectual property rights, I try not to write very much about politics in my blog. It’s not that I ...

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Video of INDUCE hearings via P2P

Published on 2004-08-06 by Mark VandeWettering

Lawrence Lessig has a link to a Bittorrent feed for the INDUCE hearings , starring the venerable Orin Hatch. I’ve ranted about INDUCE before a ...

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Creeping Featurism

Published on 2004-08-06 by Mark VandeWettering

The Python Daily URL! feed has had quite a few articles lately on the so-called “decorator” syntax. I must admit, I’m not really up on ...

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Free Culture

Published on 2004-08-05 by Mark VandeWettering

I must admit, I’ve been a slacker. I haven’t read Lawrence Lessig’s book Free Culture , and since you can actually get free copies of ...

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Valenti Redux, by Tim Wu

Published on 2004-08-04 by Mark VandeWettering

Tim Wu has a long list of idiotic quotes by Jack Valenti on Lawrence Lessig’s blog . I particularly like On the VCR, 1983 “We ...

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Flash O’ The Day

Published on 2004-08-04 by Mark VandeWettering

Low Morale is some of the best Flash animation I’ve seen in some time. Be sure to check out their music video, set to Radiohead’s ...

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The Making of Arguments By, J.H. Gardiner.

Published on 2004-08-04 by Mark VandeWettering

The Making of Arguments By, J.H. Gardiner is a fresh release from Project Gutenberg and the Distributed Proofreading Project which explains how to write arguments. ...

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Great Minds Think Alike

Published on 2004-08-03 by Mark VandeWettering

Metafilter ran an article about the winners of the Canadian Awards for Excellence in Book Design . Louigi mentioned that he really liked The Gryphons ...

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Baseball Poetry

Published on 2004-08-02 by Mark VandeWettering

While the best baseball stories and poetry occurs on the field, some of it also appears in the form of prose (courtesy of kobayashi @ ...

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You’re a bastard, Sven Jaschan

Published on 2004-08-02 by Mark VandeWettering

The Sasser and Netsky viruses accounts for 70% of the virus reports in 2004 , yet were written by one person: German hacker Sven Jaschan. ...

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Fun With Music, via abc2midi

Published on 2004-08-02 by Mark VandeWettering

Since discovering that the classic baseball tune Take Me Out To The Ballgame was in the public domain, I decided that I might like to ...

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The Brainwagon Photo Gallery

Published on 2004-08-01 by Mark VandeWettering

I decided finally to install gallery so that I could create The Brainwagon Photo Gallery to display my amateurish attempts at photography. For now, the ...

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Thunderbirds are Go!

Published on 2004-08-01 by Mark VandeWettering

Today’s DVD acquisition is The Best of the Thunderbirds . This year both the Thunderbirds and myself are celebrating our 40th birthdays. I’m not your ...

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How about Legal Guerrilla Drive-Ins?

Published on 2004-07-31 by Mark VandeWettering

Slashdot is running a story about a N.Y. Times article (registration required, yada yada) that details Guerrilla Drive-Ins , mobile parties that use a DVD ...

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Please set your clock back fifty years!

Published on 2004-07-31 by Mark VandeWettering

The Arizona Daily Star reports that: A rally organizer for the Bush-Cheney re-election campaign asked Teri Hayt, the Star’s managing editor, to disclose the journalist’s ...

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Interesting Papers Galore

Published on 2004-07-31 by Mark VandeWettering

Slashdot mentioned work by Nayar and Nishino on generating images of what people see by processing images of reflections in the cornea. I thought the ...

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Take me out to the ballgame…

Published on 2004-07-30 by Mark VandeWettering

While at the ballgame earlier this week, I found myself wondering whether the classic 7th inning stretch song, Take Me Out To the Ballgame was ...

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Francis Crick

Published on 2004-07-29 by Mark VandeWettering

Francis Crick, who was awarded the Nobel Prize in 1962 for his work with James Watson, is dead . You can get JPEGS of their ...

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On This Day in Baseball

Published on 2004-07-29 by Mark VandeWettering

My baseball calendar informs me that on this day in 1988, the Red Sox traded two of their minor leaguers for pitcher Mike Boddicker. Boddicker ...

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Great Hackers

Published on 2004-07-29 by Mark VandeWettering

Paul Graham posted Great Hackers , an adaptation of his keynote OSCON 2004 speech. He’s also the author of Hackers and Painters , which I ...

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Athletics Defeat Seattle 5-3

Published on 2004-07-28 by Mark VandeWettering

Last night my loving wife took me to watch the A’s take on the Mariners. While the Mariners’ star has seemed to have faded, I ...

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Getting back into the groove

Published on 2004-07-27 by Mark VandeWettering

The BBC is reporting that scientists Vitaliy Fadeyev and Carl Haber of Lawrence Berkeley Labs are using non-contact means to reconstruct sound from old records ...

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Praying Mantis!

Published on 2004-07-26 by Mark VandeWettering

As I was wandering into the house this evening, I opened my front door, looked down and saw the fellow on your right on my ...

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Double Header Movie Review

Published on 2004-07-26 by Mark VandeWettering

Since I was frustrated by server problems this weekend, this weekend was a double movie weekend: I went out to see both The Bourne Supremacy ...

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Baseball pictures…

Published on 2004-07-24 by Mark VandeWettering

After penning the article below, I was looking for a picture of the elusive Walter Carlisle (didn’t succeed), but I did find a nice page ...

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Server Difficulties…

Published on 2004-07-24 by Mark VandeWettering

Well, my server has locked up a couple of more times in the last 24 hours. I’m perusing the FreeBSD-current mailing list to see what ...

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Baseball Trivia

Published on 2004-07-24 by Mark VandeWettering

I was tearing off sheets for my daily calendar which lists achivements in baseball, when I encountered the following: July 19, 1911 Walter Carlisle makes ...

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Apologies for System Downtime…

Published on 2004-07-23 by Mark VandeWettering

I had some unscheduled system downtime today. A couple of times in the last couple days, my system (which was heretofore incredibly reliable) has mysteriously ...

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Electr-O-Sketch

Published on 2004-07-21 by Mark VandeWettering

Some clever lads at Cornell University have adapted a classic Etch-a-Sketch so you can draw with a serial mouse . Like many projects I link ...

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Happy Birthday!

Published on 2004-07-21 by Mark VandeWettering

Today is brainwagon’s 2nd anniversary. Over the last two years I’ve made 403 posts, which I hope that some people have found entertaining. Wherever you ...

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Awesome!

Published on 2004-07-21 by Mark VandeWettering

Just click here for one of the cleverest uses of animated gifs I’ve seen in a while. ...

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Bottle Cap Tripod

Published on 2004-07-21 by Mark VandeWettering

Slashdot ran a story about a gadget to turn your water bottle into a tripod that can be found in Japan. Adam at fiendishthingy.org has ...

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Neil Fraser: Hardware: 3D Mouse

Published on 2004-07-20 by Mark VandeWettering

Slashdot provided a link to Neil Fraser’s 3D mouse hack . He takes the parts from a couple of mice and makes a gadget that ...

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Fixing Old Motion Picture Film

Published on 2004-07-20 by Mark VandeWettering

I’ve been reading papers lately about using image processing techniques to remove artifacts and damage from old motion picture film. Some old films are remarkably ...

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Programming in Lua

Published on 2004-07-19 by Mark VandeWettering

Before I discovered Python, I enjoyed a brief period of experimentation with Lua . I even went so far as to use Lua to add ...

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Viruses Get Smaller

Published on 2004-07-19 by Mark VandeWettering

In the decade to come, it’s clear that the Internet will face two related challenges: Increasing volume of spam, and Increasing sophistication of viruses. These ...

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Kevin Kelly — Making My Own Music

Published on 2004-07-19 by Mark VandeWettering

Kevin Kelly had a very nice New York Times Op-Ed piece entitled Making My Own Music , which clearly elucidates the way that I’ve come ...

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Man Lived With Dinosaurs!

Published on 2004-07-18 by Mark VandeWettering

John Stewart’s Daily Show did a startling exposé on the work of Dr. Carl Baugh which shows undeniable evidence that men and dinosaurs lived simultaneously. ...

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Trinity Test, July 16, 1945

Published on 2004-07-17 by Mark VandeWettering

Read these declassified accounts of the Trinity Test on the 59th anniversary of the first detonation of a nuclear device. I’d also recommend reading the ...

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I, Robot

Published on 2004-07-17 by Mark VandeWettering

I must admit, I had low expectations from I, Robot . Perhaps it’s just that I see a lot of decent science fiction which is ...

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More Math and Baseball

Published on 2004-07-16 by Mark VandeWettering

Bukiet and Harold wrote a paper entitled A Markov Chain Approach To Baseball , which details their use of Markov models to study hitting order ...

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The Mathematics of Gambling

Published on 2004-07-16 by Mark VandeWettering

Thorp’s book, The Mathematics of Gambling , is apparently available online with permission of the author. Thorp is of course the author of the classic ...

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Software That Lasts 200 Years

Published on 2004-07-15 by Mark VandeWettering

Dan Bricklin, one of the co-inventors of Visicalc, has posted a nice article entitled Software That Lasts 200 Years . He points out that software ...

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Phonecam Art Show

Published on 2004-07-15 by Mark VandeWettering

SENT is a Motorola Sponsored phonecam art show. If you click the link, you’ll see new photos every five seconds, many of which are pretty ...

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Pot Pourri and a Cheap Microscope

Published on 2004-07-15 by Mark VandeWettering

Well, tonight I’m just too tired to string any coherent thoughts or good links together, so I thought I’d merely list some of the days ...

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Dragonfly BSD 1.0 released

Published on 2004-07-14 by Mark VandeWettering

As of July 12, 2004, the 1.0 milestone has been reached by the DragonFly Team. DragonFly BSD is a derivative of the FreeBSD 4.x tree, ...

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King Arthur

Published on 2004-07-13 by Mark VandeWettering

There was nothing on television worth watching last night, so I took the missus out to see King Arthur , the latest in a sequence ...

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Idiotic things…

Published on 2004-07-12 by Mark VandeWettering

Ever on the lookout for odd science/craft experiments, I was pleased to find instructions on how to make soap out of bacon , and poking ...

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A Mathematician at the Ballpark

Published on 2004-07-12 by Mark VandeWettering

I’m a bit of a baseball fan, and I’m also fascinated by gambling and probability. It’s rare that I find a book which talks about ...

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Internet Archive: Feature Films

Published on 2004-07-11 by Mark VandeWettering

I guess I wasn’t paying attention: the Internet Archive has added a Feature Films section. The selection is fairly unremarkable for now, but contains a ...

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Wireless Ipod Hack

Published on 2004-07-11 by Mark VandeWettering

In case you are running out of geeky things to do with gadgets you could try wire a PocketPC to an Ipod to allow wireless ...

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War of the Worlds

Published on 2004-07-10 by Mark VandeWettering

Look at this nifty collection of cover art for various publications of War of the Worlds that span over a century. You can, of course, ...

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ThePhotographersRight.pdf

Published on 2004-07-10 by Mark VandeWettering

In the discussion on metafilter regarding the Brown Equals Terrorist , someone posted a nice link to a summary of the rights of photographers . ...

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Do you feel more secure?

Published on 2004-07-09 by Mark VandeWettering

With many crack federal agents like this , don’t you feel safer at night? Isn’t harassment of people necessary in our post 9/11 world, especially ...

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Gutenberg Gems: Edward Lasker

Published on 2004-07-09 by Mark VandeWettering

Today’s Gutenberg Gem is Edward Lasker, a rather colorful individual in the history of chess. He won the championship of Paris in 1912, in London ...

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Japanese Name Generator

Published on 2004-07-07 by Mark VandeWettering

I ran across a website that claimed to be a Japanese name generator . When I tried mine out, I got 渡辺 Watanabe (near a ...

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Radio Controlled Clocks

Published on 2004-07-06 by Mark VandeWettering

The NIST has a very nice history of radio controlled clocks which was written by Michael A. Lombardi. The National Institute of Standards and Technology ...

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Mining Project Gutenberg

Published on 2004-07-06 by Mark VandeWettering

While perusing a random copy of Scientific American from June 18, 1887, I ran across an interesting little nugget of mathematical niftiness: Lewis Carroll’s technique ...

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Spiderman 2

Published on 2004-07-05 by Mark VandeWettering

The other part of my weekend was spent donating my dollars to the latest summer movie extravaganza: Spiderman 2 . All the principles are back: ...

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Fireworks!

Published on 2004-07-05 by Mark VandeWettering

If you have Quicktime, you might be able to click below and see some of the fireworks we observed from Jack London Square in Oakland, ...

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Space Ship One, continued

Published on 2004-07-05 by Mark VandeWettering

Scaled Composites released some nice video on their website, including video M&Ms scattered in zero g’s . Nicely done (even if it is in Microsoft ...

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Computing simple holograms

Published on 2004-07-04 by Mark VandeWettering

Neat paper: Holography without Photography, by Thad Walker . The author uses a simple C program to generate holograms which are then printed on overhead ...

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Streaming Audio/Video patents…

Published on 2004-07-04 by Mark VandeWettering

Groklaw.net is reporting that Acacia Technologies has been filing litigation against websites for patent infringement on patents they received for a system for distributing video ...

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Buy your very own Constitution!

Published on 2004-07-04 by Mark VandeWettering

Lessig had this link awhile ago on his weblog, but I thought it would be appropriate for Independence Day. You can purchase a copy of ...

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Homebuilt Lasers Page

Published on 2004-07-03 by Mark VandeWettering

This seems to be just about the simplest homebuilt laser you can make: a TEA nitrogen laser . TEA stands for Transverse Electrical discharge at ...

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Fahrenheit 9/11

Published on 2004-07-03 by Mark VandeWettering

I must admit, I’m a bit of a fluff movie-goer. I go to movies to be entertained, not to learn. When I wish to learn, ...

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The KnotPlot Site

Published on 2004-07-03 by Mark VandeWettering

For some reason, I find knots fascinating. What’s even more fascinating is how often books about knots show up on the bargain shelves at Borders, ...

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An Undergraduate Project in Imaging Radar

Published on 2004-07-02 by Mark VandeWettering

Ankit Agrawal, Bob Fougere, Mridula Oravakandy and Greg Siemens wrote up their B.S. report Design, Construction and Testing of a Microwave Radar System for Through-Wall ...

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Homegrown PVC flamethrower

Published on 2004-07-02 by Mark VandeWettering

I know that I’ll probably be stuck on some terrorist watchlist for posting this, but when you find the description on a DIY flamethrower , ...

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Cassini arrives at Saturn

Published on 2004-07-01 by Mark VandeWettering

After a seven year, 2.2 billion year trip, the Cassini spacecraft completed its SOI burn and entered Saturn orbit. Check out the details on CNN.com ...

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Apologies for downtime…

Published on 2004-07-01 by Mark VandeWettering

Sorry to my two or three readers, who undoubtably were devastated to find brainwagon off the air earlier today. I had a brief outage while ...

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BBC R&D – Dirac

Published on 2004-07-01 by Mark VandeWettering

As part of my brother’s ongoing experiments with streaming video , I’ve become somewhat more interested in the world of streaming video. Interestingly enough, the ...

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This Day in Baseball

Published on 2004-07-01 by Mark VandeWettering

On this date in 1990, the New York Yankees were playing against the Chicago White Sox at Comiskey Park. The Yankees pitcher Andy Hawkins gave ...

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Serious Putty

Published on 2004-07-01 by Mark VandeWettering

Everybody needs 5 lbs of Silly Putty , although I must admit I can’t imagine why. The official site is at sillyputty.com . Aaron’s Putty ...

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Pencilmation

Published on 2004-06-30 by Mark VandeWettering

Pencilmation.com has some fun (if silly) flash animations, including the story of “The Monkey and the Coconut” , which perhaps people who appreciate monkeys might, ...

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All you need to know about lasers…

Published on 2004-06-30 by Mark VandeWettering

I was trying to figure out some details about how laser time of flight sensors determine distance, and Sam’s Laser FAQ came to the rescue. ...

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Blog Me Out to the Ballgame 2004

Published on 2004-06-28 by Mark VandeWettering

Taking a cue from Tom Mangan, I decided to participate in his proposed Blog Me Out to the Ballgame 2004 extravaganza. Carmen and I got ...

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One More Reason To Stop Using IE

Published on 2004-06-28 by Mark VandeWettering

CERT has suggested that users stop using IE because of a serious conjuction of two security flaws: one in IE, another in IIS . If ...

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Pay for My Stupidity

Published on 2004-06-26 by Mark VandeWettering

Slashdot provided a link to KiteCam Disaster Fund Appeal , the website for an individual who lofted and subsequently landed a Casio EX-3 digital camera ...

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Spoofing Biometric Scanners

Published on 2004-06-25 by Mark VandeWettering

Marie Sandström has a short thesis on spoofing biometric fingerprint scanners . It involves collecting latent prints, and then casting a replica finger in gelatin. ...

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Python Weblog Software — Aether

Published on 2004-06-25 by Mark VandeWettering

Aether is a simple weblog/website authoring system written by Paul Harrison. He’s also got some other cool stuff that he’s written, including GIMP plugins for ...

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Low Frequency Modulation of Lasers

Published on 2004-06-24 by Mark VandeWettering

K3PGP has a nice website which I’ve seen before since he and I share some common interests: astronomy and lasers, notably. He’s got an interesting ...

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I need more Serenity

Published on 2004-06-24 by Mark VandeWettering

When it comes to television, I’m about as jaded as they come. Let’s face it, it’s mostly crap. That’s what makes it so difficult when ...

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More Papercraft — Jun Mitani

Published on 2004-06-23 by Mark VandeWettering

In keeping with the earlier paper model theme, I give you Jun Mitani , who has a paper in this year’s SIGGRAPH conference on turning ...

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SpaceShipOne Still a Dangerous Ride

Published on 2004-06-22 by Mark VandeWettering

New Scientist is currently running an interview with Burt Rutan where he admits there was some potentially catastrophic failings in SpaceShipOne’s inaguaral space flight: a ...

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Alan Shepard – Project Mercury Freedom 7

Published on 2004-06-22 by Mark VandeWettering

I was pondering yesterday’s flight of SpaceShipOne, and decided to lookup the information surrounding the first American sub-orbital flights. Alan Shepard – Project Mercury Freedom ...

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More Paper Crafts

Published on 2004-06-22 by Mark VandeWettering

For reasons which escape me, Yamaha has a really nice webpage on paper crafts , which include patterns that you can download and build. These ...

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Flame Fractals

Published on 2004-06-22 by Mark VandeWettering

While watching the Athletics lose another game (sigh), I dusted off this paper and coded up a quick implementation. It seems to work, although I’m ...

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Universal Feed Parser

Published on 2004-06-22 by Mark VandeWettering

Mark Pilgrim has released a new version of his Universal Feed Parser . I have mixed feelings about the long term viability of this code, ...

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Seven vs. Five Game Series

Published on 2004-06-22 by Mark VandeWettering

The conventional wisdom of baseball is that five game series are easier for bad teams to win than seven game series. But how much easier? ...

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Soda Straw Tensegrity Structures

Published on 2004-06-21 by Mark VandeWettering

Another cool link from the Geometry Junkbox: George Hart’s instructions on building Soda Straw Tensegrity Structures . I can see myself wandering off to the ...

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Paper Plates Never Looked So Cool

Published on 2004-06-21 by Mark VandeWettering

I like arts and crafts, particularly those with a mathematical bent. Wholemovement – The Work of Bradford Hansen-Smith shows what cool stuff you can do ...

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Differential Evolution

Published on 2004-06-21 by Mark VandeWettering

The recent Wired article on the use of evolutionary computation to optimize Formula-1 cars has been getting a bit of press lately, and finally made ...

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SpaceShipOne Lifts Off and Lands!

Published on 2004-06-21 by Mark VandeWettering

Well, I bailed on the six hour drive down to Mojave to see the launch of SpaceShipOne, but somehow they’ve managed to muddle along without ...

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Blog Me Out to the Ballgame 2004

Published on 2004-06-21 by Mark VandeWettering

Tom Mangan proposed a blog-in at the Athletics-Giants game on June 27. I don’t have tickets yet, but I may have to give the idea ...

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Dodgeball

Published on 2004-06-20 by Mark VandeWettering

Today’s weekend movie was Dodgeball, starring Ben Stiller, and featuring a large list of cameo appearances from some fun celebrities. Ben Stiller plays White Goodman, ...

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World Series Baseball

Published on 2004-06-20 by Mark VandeWettering

I was mulling over the mathematics of the World Series in one of my more bored moments, and decided to write some simple Python code ...

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Find Nemo Somewhere Unexpected

Published on 2004-06-20 by Mark VandeWettering

I enjoy an (admittedly waning) interest in the Photoshop contests on fark.com , and recently they ran a contest where the theme was Find Nemo ...

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Templates

Published on 2004-06-20 by Mark VandeWettering

A nifty group of template for various cards and boxes can be found at Mirkwood Designs . Useful for craft projects, no doubt, and the ...

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Python Neural Nets

Published on 2004-06-19 by Mark VandeWettering

Any tinkering I’ve done with neural nets is a decade or more in my past, but I’m still interested. Python News! provided this article on ...

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Perspectives on a Classic

Published on 2004-06-18 by Mark VandeWettering

Ed Willis has an article entitled The Mythical Man-Month Revisited [Jun. 17, 2004] on onlamp.com. As I read it I can only imagine that the ...

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Happy Anniversary!

Published on 2004-06-18 by Mark VandeWettering

Today is Carmen and my fourth anniversary. I can’t even begin to describe how terrific she makes my life and how happy I am that ...

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DIY for photography links

Published on 2004-06-17 by Mark VandeWettering

A nice collection of photography links can be found at DIY for photography links . I particularly liked the instructions for making your own Shroud ...

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More silly USB devices…

Published on 2004-06-16 by Mark VandeWettering

Well, the plug in aquarium was completely useless, so this would have to score higher merely on the basis of utility. The iDuck USB Memory ...

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Misleading Headline

Published on 2004-06-16 by Mark VandeWettering

Sometimes you read a headline, and it just strikes you as odd. For instance, today on Yahoo! News, I read that: Red Sox: Nixon To ...

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The Brainf*ck CPU

Published on 2004-06-16 by Mark VandeWettering

Clifford Wolf wrote VHDL to implement a custom processor which executes the Brainf*ck programming language using a Spartan 2 FPGA chip. You can download the ...

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Public Domain Images

Published on 2004-06-14 by Mark VandeWettering

I was looking for some clip art that I could use on my website, so last time I was at the bookstore I acquired a ...

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Are really one nation under God?

Published on 2004-06-14 by Mark VandeWettering

Today the Supreme Court issued a ruling which reversed the 9th Circuit Court’s ruling that the phrase “under God” was unconstitutional. Instead of trying to ...

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Why POV-Ray is bad…

Published on 2004-06-14 by Mark VandeWettering

Apparently after two years of noodling around, the POV-Ray team has finally seen fit to release a new version of their rendering software . I ...

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Holy Crap! My scanner works!

Published on 2004-06-13 by Mark VandeWettering

I have a Canon LIDE 20 scanner, a super cheap LED flatbed scanner. I figured there was no way that it would possibly be supported ...

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Weekly Weigh In

Published on 2004-06-13 by Mark VandeWettering

Today’s weigh in saw me give back last week’s loss. Not too surprising given the fact that I have been eating a bit more. A ...

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The Chronicles of Riddick

Published on 2004-06-13 by Mark VandeWettering

Ah, this time, a Saturday evening saw my wife and I attending a late showing of The Chronicles of Riddick , a sequel to Pitch ...

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CPU Evolution…

Published on 2004-06-12 by Mark VandeWettering

Over on linuxdevices.com , there’s interview with Glenn Henry , founder of Centaur Technology, the bright guys behind the C3 CPUs which are marketed by ...

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A TCP/IP Stack and Webserver in PHP

Published on 2004-06-12 by Mark VandeWettering

Sweet Zombie Turing! Adam Dunkels has written phpstack – A TCP/IP Stack and Webserver in PHP . Some people really do have too much free ...

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Trilobite Fun

Published on 2004-06-11 by Mark VandeWettering

I have this old trilobite fossil that I bought from the Discovery Store. I find it kind of neat to have a specimen from 530 ...

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Baseball Yesterday

Published on 2004-06-10 by Mark VandeWettering

After the Athletics previous road trip, I felt I had plenty to be worried about. The A’s hitting (especially their ability to hit with men ...

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Time keeps on slippin…

Published on 2004-06-09 by Mark VandeWettering

Tom Van Baak has a fascinating obsession with timekeeping. His website, www.leapsecond.com , has a great deal of information regarding timekeeping and his vast collection ...

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Interesting FPGA Board…

Published on 2004-06-09 by Mark VandeWettering

Dan Lyke was musing about learning about FPGA technology on flutterby , which is a topic which has long been in the back of my ...

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The Fun of Radio

Published on 2004-06-09 by Mark VandeWettering

I admit it, I have a ham radio license. I’m KF6KYI, a lowly Tech licensee. I went through a brief phase where I learned alot ...

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Venus Transit Pictures

Published on 2004-06-08 by Mark VandeWettering

Well, this rare event has concluded, I’ll try to add links to sites with images throughout the day as my browsing uncovers them. Check back ...

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Notre President…

Published on 2004-06-08 by Mark VandeWettering

I had mentioned this before, but managed to find this gif. You can refer to my previous post if you have difficulty decoding the French. ...

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Ken Brown is a Big Fat Idiot…

Published on 2004-06-08 by Mark VandeWettering

Holy crap. It isn’t often that I get a chance to read something as high in drivel as Ken Brown’s rebuttal to Andy Tanenbaum’s critique ...

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God’s Will

Published on 2004-06-07 by Mark VandeWettering

Let’s hope that it’s God’s will to put a Democrat in the White House come November. ...

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For news about Tivo and PVRs…

Published on 2004-06-07 by Mark VandeWettering

I found this nicely done weblog of information on personal video recorders. Check out PVRblog (it even has an RSS feed ). ...

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Venus Transit

Published on 2004-06-07 by Mark VandeWettering

A particularly rare astronomical event – the transit of Venus across the solar disk – will occur on June 8 or about sixteen hours from ...

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Gadget o’ the Day: Hauppauge MediaMVP

Published on 2004-06-06 by Mark VandeWettering

Cringely mentioned the Hauppauge MediaMVP gadget in his column. It’s a semi-cute toy: a stand alone box which connects to 10 or 100 megabit ethernet, ...

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D-Day

Published on 2004-06-06 by Mark VandeWettering

Today is the sixtieth anniversary of D-Day: the date when the Allies of World War II began their invasion of France to defeat the Axis ...

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A Corkscrew for Champagne?

Published on 2004-06-04 by Mark VandeWettering

I suspect that the story surrounding this E-bay posting is a fake, but if not, it’s an excellent justification for the notion that some people ...

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Free Sherlock Holmes Audiobooks

Published on 2004-06-04 by Mark VandeWettering

Project Gutenberg – Audio eBooks Read by People lists eight different books by Sir Arthur Conan Doyle, all read by humans (much better than the ...

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Keeping Score…

Published on 2004-06-04 by Mark VandeWettering

Okay, okay. I’m still on the baseball kick. Sorry for all of you who are bored with this topic, but I couldn’t help myself: metafilter ...

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Learning about the Supreme Court

Published on 2004-06-03 by Mark VandeWettering

The inner workings of the Supreme Court have always held a certain fascination for me, and since my wife got me an iPod, I’ve found ...

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Letters from Iraq

Published on 2004-06-03 by Mark VandeWettering

You can read all the blog posts of Jeremy Botter made as a soldier on duty in Iraq as a PDF file . Interesting stuff, ...

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Biodiesel

Published on 2004-06-02 by Mark VandeWettering

The rising cost of gas makes one consider alternative sources of fuel. Lately I’ve been hearing a great deal about biodiesel fuels. I found a ...

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Ouch! Chavez HBP, moved to DL

Published on 2004-06-02 by Mark VandeWettering

I was watching the Oakland A’s game against the Chicago White Sox in preparation for sneaking out of work for today’s day game ($2 tickets? ...

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Stereo Video Project

Published on 2004-06-01 by Mark VandeWettering

Ever on the lookout for nifty projects, I stumbled across this stereo video display . It works by synchronizing cheap board level video cameras with ...

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Alton Brown — My Kitchen Hero

Published on 2004-06-01 by Mark VandeWettering

I love Good Eats , and am a big fan of Alton Brown. His no-nonsense pragmatism has vastly improved my skills at preparing steaks, chicken ...

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More Stereo Stuff…

Published on 2004-06-01 by Mark VandeWettering

Keeping with the stereo theme, Jim Gasperini wrote up an idea so simple that is surprising how effective it is. To display stereoscopic images, he ...

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Who will Kerry choose to be VIP?

Published on 2004-05-31 by Mark VandeWettering

John Moe weighs the pros and cons of some possibles on mcsweeneys.net . I particularly like the idea of choosing Clinton, if only to see ...

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Weight Watchers Progress

Published on 2004-05-31 by Mark VandeWettering

The project that I’ve spent the most time on lately is actually myself. Last December I was having some health difficulties and visited my doctor, ...

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The Day After Tomorrow

Published on 2004-05-30 by Mark VandeWettering

Well, this weekend’s movie extravaganza was The Day After Tomorrow , a classic global catastrophe film. Dennis Quaid stars as a paleoclimatologist who is the ...

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More Baseball Statistics

Published on 2004-05-30 by Mark VandeWettering

Baseball-DataBank.org has statistics similar (identical?) to those from baseball1.com but has conveniently placed them in the form of a 33 megabyte file that you can ...

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The Mathematics of Baseball

Published on 2004-05-30 by Mark VandeWettering

I just finished reading Moneyball , and as I woke up this morning I was wondering what good online information was available on the mathematics ...

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Please Excuse Our President

Published on 2004-05-28 by Mark VandeWettering

Dug this brief blurb off of talk.origins this morning. From the pages of New Scientist : HERE’S one US company where “freedom fries” surely never ...

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Software Potpourri

Published on 2004-05-28 by Mark VandeWettering

Python 2.3.4 is out. Just a bugfix release. FreeBSD 4.10 was also released earlier this week. This is the first “Errata Branch”, which will include ...

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Tinkering with Toys

Published on 2004-05-27 by Mark VandeWettering

I recall seeing the plans for a simple walking, balancing robot constructed out of TinkerToys, and while surfing around aimlessly I ran accross it again. ...

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BXFlyer Four Rotor Helicopter

Published on 2004-05-26 by Mark VandeWettering

A couple of days ago I was talking about small robotic flyers, I should have known that somebody at the Seattle Robotics Society would already ...

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How To Build Your Own Blog

Published on 2004-05-25 by Mark VandeWettering

The title is a bit of a fraud. This is not so much an article on how to build your own weblog as a short ...

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What’s the lesson of The Swan?

Published on 2004-05-25 by Mark VandeWettering

Allright, I admit it. I watch lots of crap “reality” television shows. None do I find more disturbing than The Swan . The recipe of ...

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Moneyball, by Michael Lewis

Published on 2004-05-24 by Mark VandeWettering

I received an interesting phone call from my friend Phil last week. I hadn’t heard much from Phil, but he called me in the middle ...

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A Paper on Small RC Vehicles

Published on 2004-05-23 by Mark VandeWettering

I’m always interested in bizarre remote control applications, so I was pleased to find this informative paper on the development of the Black Widow Micro ...

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Lair of the Chrome Cow

Published on 2004-05-23 by Mark VandeWettering

For some reason I found myself looking for plans for cheap 3D scanners at 1:15AM this morning, and came up with the Lair of the ...

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Spiral Fresnel Reflectors

Published on 2004-05-23 by Mark VandeWettering

A recent Slashdot article was a rather dull one about fun things you could do with a large Fresnel lenses. I had seen stuff like ...

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On the strike zone…

Published on 2004-05-23 by Mark VandeWettering

This morning I was catching up on Baseball tonight to see what went on with baseball yesterday. I mostly wanted to see what happened yesterday ...

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Shrek 2

Published on 2004-05-22 by Mark VandeWettering

It’s rare that a sequel film surpasses a good original film, but I must say: Shrek 2 must be judged as one of those rare ...

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Software Update

Published on 2004-05-22 by Mark VandeWettering

I’ve upgraded this blog to use the latest release of WordPress . It’s unfortunate that the software mingles functionality and appearance in the way that ...

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blog.noetech.com: Overhaulin’

Published on 2004-05-21 by Mark VandeWettering

Sweet Manatee of Santa Fe. Apparently if you post an article about a TV show on your blog, you become their official voice on the ...

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Andy Tanenbaum on ‘Who Wrote Linux’

Published on 2004-05-20 by Mark VandeWettering

It’s fascinating the degree to which Microsoft/SCO backed front companies are trying to create FUD around the use and authorship of the Linux operating system. ...

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Modal Web Server Example Part 1

Published on 2004-05-19 by Mark VandeWettering

I thought that this article, Modal Web Server Example Part 1 , had some interesting ideas. I think that many existing web applications are hampered ...

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On Blogging Software…

Published on 2004-05-19 by Mark VandeWettering

As I work to install WordPress on this site and tweak and twiddle the look and functionality, I can’t help but think that every blog, ...

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Pardon our construction…

Published on 2004-05-18 by Mark VandeWettering

Pardon my construction. I’m busy revamping brainwagon’s look and feel to be more like it’s previous incarnation, and have unveiled a few warts in the ...

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Review: Troy

Published on 2004-05-16 by Mark VandeWettering

This weekend’s block buster is Troy , the classic tale of the Iliad . Brad Pitt stars as Achilles, the moody and reluctant (if somewhat ...

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Brainwagon Under Construction

Published on 2004-05-15 by Mark VandeWettering

Motivated by the change in licensing in MovableType as well as a general feeling of dissatisfaction with certain elements of its design, I decided to ...

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IPOD update

Published on 2004-05-05 by Mark VandeWettering

Well, the IPOD is working, if not flawlessly. It seems to get it to work I need to plug the iPod into the USB card ...

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New iPod, Same Old Trouble

Published on 2004-04-20 by Mark VandeWettering

As part of my weight loss plan, I decided I needed/deserved some form of MP3 player, and with my upcoming birthday, asked the wife that ...

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Build your own Steadicam

Published on 2004-04-10 by Mark VandeWettering

Cute and useful project: build yourself a $14 Steadycam . Or you could look at this plan for a camera stabilizer from the Guide Book ...

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Two Short Subjects

Published on 2004-04-08 by Mark VandeWettering

Just a short blurb to inform my readers about two interesting bits of code that I’ve looked at in the past week. The first is ...

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Do it yourself Board Games

Published on 2004-04-03 by Mark VandeWettering

I ran across Games and Tools – The Deck of Boards while reading rec.games.board . The author designed a way to create boards for many ...

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An aside into Fonts…

Published on 2004-04-02 by Mark VandeWettering

I have begun work on a program to play checkers, tentatively called _Milhouse_. I’m mostly doing it to keep my programming and research skills tuned ...

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Playing with food…

Published on 2004-03-28 by Mark VandeWettering

On Tech Now! this morning, I found out about the [Octodog’s Frankfurter Converter][1]. When there are products this silly in the world, can the Apocalypse ...

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Shaolin or Ow-lin?

Published on 2004-03-28 by Mark VandeWettering

This picture served as the basis for a [fark][1] Photoshop contest, but I think it stands on its own. It’s good to see that our ...

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Advertising Saturation

Published on 2004-03-25 by Mark VandeWettering

Today’s Quote of the Day comes from Steve Ballmer of Microsoft . According to this report , Microsoft spends 12% of its budget on online ...

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Never do today…

Published on 2004-03-22 by Mark VandeWettering

… what you can put off ’til tomorrow. Sometimes procrastination can pay off, courtesy of Moore’s Law. ...

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The Rapture and Armageddon

Published on 2004-03-20 by Mark VandeWettering

A couple of days ago I was driving around and caught an interview of Tim LaHaye on NPR’s Fresh Air program. LaHaye is the author ...

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One liner…

Published on 2004-03-19 by Mark VandeWettering

Ever wish you had a simple webserver on a machine? You can do it in a single line with Python. python -c "import SimpleHTTPServer ; ...

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Woo-Woo!

Published on 2004-03-16 by Mark VandeWettering

If you’d like to adopt a new quack persona on the Internet, you could always look at How to be an Internet Woo-Woo . Nobody ...

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Embedded PC

Published on 2004-03-14 by Mark VandeWettering

While chasing down a fairly pedestrian story on Slashdot about building your own LCD picture frame (seems rather obvious, use a box, a VIA motherboard, ...

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Grand Challenge, Modest Failure?

Published on 2004-03-14 by Mark VandeWettering

Today the DARPA Grand Challenge was run. The course was shortened to only 142 miles from its original design goal of 250 miles. Fifteen robotic ...

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Do it yourself laser scanner…

Published on 2004-03-11 by Mark VandeWettering

While doing one of my usual bored browses of the web looking for odd science projects, I ran across a page detailing a [homemade 3d ...

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Cobb’s Comedy Club

Published on 2004-03-09 by Mark VandeWettering

Late on Saturday Night, my charming wife walked into my office and proclaimed “Robin Williams is doing a special set at Cobb’s on Monday Night. ...

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My Wishlist…

Published on 2004-03-05 by Mark VandeWettering

Hey, if anyone has a spare 10 grand that they want to waste on me (your soon to be best friend), how about a VersaLaser ...

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Pocket Enigma Machine

Published on 2004-02-25 by Mark VandeWettering

I recently joined orkut.com, and find it pretty interesting to participate in a community based soley upon invitations/trust. One of the first interesting things I ...

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Damn Yankees…

Published on 2004-02-17 by Mark VandeWettering

Today, Alex Rodriguez was traded to the Yankees for Alfonso Soriano. Apparently A-Rod will play third base for the Yankees. I bet the Red Sox ...

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Happy Birthday Charles Darwin

Published on 2004-02-13 by Mark VandeWettering

Charles Darwin was born February 12, 1809 in Shrewsbury England. In addition to being the world’s greatest barnacle expert of his time, he also took ...

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Weekend thoughts of metalworking

Published on 2004-02-10 by Mark VandeWettering

This weekend I had the pleasure of driving out to visit “Steamboat Ed” Haas . Ed is a heck of an amazing guy who (among ...

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You’ve gotta have balls…

Published on 2004-02-08 by Mark VandeWettering

Over the years I’ve been interested in complex and chaotic phenomena. Anyone looking at my desk would confirm this to be true. Sometimes I think ...

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Remembering Columbia

Published on 2004-02-01 by Mark VandeWettering

One year ago today, the space shuttle _Columbia_ broke apart on reentry. All hands aboard perished. In honor of the sacrifice these men and women ...

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Yuck!

Published on 2004-01-30 by Mark VandeWettering

Yahoo! News – Decomposing Whale Explodes on Street _ The decomposing remains of a 60-tonsperm whale exploded on a busy Taiwan street, showering nearby cars ...

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End of an Era for Pixar?

Published on 2004-01-29 by Mark VandeWettering

Pixar has decided to end its negotiations with Disney for a new contract after the current five movie deal expires. What does this mean to ...

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Remote Control Vandalism, and more…

Published on 2004-01-29 by Mark VandeWettering

Today Slashdot is running a story about hektor , a robotic graffitti artist. It is a computer controlled robot, driven by an Adobe Illustrator plugin ...

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Dieting…

Published on 2004-01-27 by Mark VandeWettering

I’ve become my own latest project. During a recent checkup, my doctor noted my increasing weight (323 lbs) and my high cholesterol. He recommended that ...

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Best use of Genetic Engineering to date…

Published on 2004-01-27 by Mark VandeWettering

How about a genetically modified flower that signals the presence of unexploded landmines by changing color based upon the presence of nitrogen dioxide? The plants ...

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Balancing Bots…

Published on 2004-01-24 by Mark VandeWettering

I’m kind of fascinated by the whole “balancing robot” thing so I found Dan Piponi’s Equibot to be pretty interesting. It uses a single Sharp ...

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Fishy Tails…

Published on 2004-01-22 by Mark VandeWettering

Over Christmas my wife and son presented me with a couple of new Siamese Fighting Fish, or bettas. Betta is actually a fish genus, with ...

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Codes… Bar Codes…

Published on 2004-01-19 by Mark VandeWettering

I’ve got a lot of books. I have no idea really how many. For a long time I wish I actually had a master list ...

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Fun with the Terraserver

Published on 2004-01-15 by Mark VandeWettering

Okay, it’s nothing really innovative. Jef Poskanzer was the first guy I know who did it. Then my friend Jeff Eaton did it. Now I’ve ...

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A great story

Published on 2004-01-15 by Mark VandeWettering

I ran across The case of the 500-mile email while reading Jef’s website. A great story. ...

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Melting, melting, what a world…

Published on 2004-01-12 by Mark VandeWettering

Craig Good gave a link to melting metals in your home microwave . Surprisingly nifty, although I might be tempted to wear a lead apron. ...

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Public Domain Images

Published on 2004-01-05 by Mark VandeWettering

While exploring the NOAA’s website, I noticed that they have a list of photos of weather and ocean related images that (being funded by your ...

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The Spirit of the New Year…

Published on 2004-01-04 by Mark VandeWettering

Well, Marvin didn’t get this one. Yesterday the Spirit rover successfully bounced to a stop on Mars, linked up with JPL and transmitted pictures back ...

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Another reason to move to Canada..

Published on 2004-01-03 by Mark VandeWettering

Lawrence Lessig’s weblog contains a short message from Wallace McLean. He notes that in Canada every author who died before December 31, 1948 has passed ...

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Stardust Succeeds…

Published on 2004-01-03 by Mark VandeWettering

Today NASA is reporting that their Stardust probe, designed for capturing a sample of matter from the tail of comet Wild 2 successfully photographed and ...

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Brain related merchandise…

Published on 2003-12-22 by Mark VandeWettering

While perusing the web, I sometimes encounter odd brain-related products. Today some random link took me to [the Soda King][1], a purveyor of unusual soda ...

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Do it yourself card games..

Published on 2003-12-21 by Mark VandeWettering

I’ve long known about Nomic, a game where the players make up the rules as the game is played. Dvorak – A Nomic Card Game ...

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Graphics CPUs

Published on 2003-12-21 by Mark VandeWettering

Modern GPUs are interesting bits of silicon. They pack a huge number of relatively slow floating point processors in parallel to achieve large throughput. Because ...

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Crypto Smorgasborg

Published on 2003-12-15 by Mark VandeWettering

In a bit of synchronicity, today’s llinks have a decidedly crypto theme. [Julian][1] sent me a link to the [Enigma-E][2], a modern electronic equivalent to ...

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Astronomy Pic of the Day

Published on 2003-12-15 by Mark VandeWettering

If you haven’t seen NASA’s Astronomy Picture of the Day website, you should check it out. The most startling picture I’ve seen in quite some ...

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Blog Spammers

Published on 2003-12-14 by Mark VandeWettering

Well, it finally happened. My blog was spammed by a whole bunch of comments which linked to Lolita-style porn websites. Thanks for the interest, but ...

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Attention Deficit Theater

Published on 2003-12-13 by Mark VandeWettering

There is a recent trend I’ve noticed in TV programs. It’s the practice of recapping the show that’s currently in progress after virtually every commercial ...

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Which is scarier?

Published on 2003-12-08 by Mark VandeWettering

It’s quiz time: which of these do you find funnier: this cartoon or this one ? Scary fact: one author actually believes his cartoon. ...

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Patent a Fish?

Published on 2003-11-22 by Mark VandeWettering

Slashdot had a link today to the glofish.com website: a company which will begin distributing a genetically engineered zebrafish in 2004. These fish have an ...

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Unavailability

Published on 2003-11-21 by Mark VandeWettering

I apologize to any of my two or three readers that brainwagon.org (and telescopemaking.org) may have been unavailable for the last few days. I’ve had ...

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Very old puzzle solved

Published on 2003-11-18 by Mark VandeWettering

Bill Cutler, a rather famous puzzle guy has finally found all unique solutions to The Loculus of Archimedes . I rather like puzzles of all ...

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Weblogging software in Python

Published on 2003-11-11 by Mark VandeWettering

I wrote a weblog system in Python by stealing some ideas from blosxom . Today I found a great list of Python Software for Weblogs ...

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Pot Pourri

Published on 2003-11-10 by Mark VandeWettering

I spent the weekend in the company of other individuals of like (and considerably different) mind, and thought I’d provide some links to some interesting ...

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Don’t double down on hard 20…

Published on 2003-10-27 by Mark VandeWettering

This weeks whim book purchase was [Amazon.com: Books: Bringing Down the House : The Inside Story of Six MIT Students Who Took Vegas for Millions][1]. ...

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The Domain of the Public

Published on 2003-10-24 by Mark VandeWettering

This week has been dominated by pondering of the public domain. I ordered a book from nolo.com written by attorney Steven Fishman entitled The Public ...

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Robots from VIA motherboards

Published on 2003-10-21 by Mark VandeWettering

Today’s Slashdot extravaganza sent me to deviceforge.com for a robot design using Via’s Mini-ITX motherboards. Thse motherboards are very capable and about 7″ square, they ...

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Shake, Rattle and Roll

Published on 2003-10-19 by Mark VandeWettering

Well, it’s 8:40 or so in the morning on Sunday, and I’m surfing to the USGS realtime earthquake website to see if the jolt I ...

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The Recall

Published on 2003-10-04 by Mark VandeWettering

I hate politics. It’s mostly about the hypocrisy. I’ve been trying to ignore the recall news for the most part, but every once in awhile ...

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New Ebay Booty

Published on 2003-09-30 by Mark VandeWettering

Recently I’ve been trying to establish better wireless networking in my house, and toward that end I purchased a couple of books on wireless networking. ...

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Parody or not?

Published on 2003-09-13 by Mark VandeWettering

There is a saying on USENET: any sufficiently advanced parody is indistinguishable from real stupidity. (You could try looking at Korpela’s Laws of USENET for ...

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Earthquake!

Published on 2003-09-05 by Mark VandeWettering

While at work late, I felt a pretty good jolt, which marked the arrival of yet another of California’s exciting pastimes: the regular Hayward fault ...

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A simple Icecast2 client…

Published on 2003-09-02 by Mark VandeWettering

While experimenting with Icecast2 , I tried out the ices client. It very nicely handles either live or precompressed streams, and can provide audio encoded ...

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War of the Worlds Radio Broadcast

Published on 2003-08-28 by Mark VandeWettering

After finding an mp3 of the original War of the Worlds broadcast by Orson Welles’ Mercury Theater broadcast, I decided to try to experiment a ...

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Watch the skies!

Published on 2003-08-26 by Mark VandeWettering

Today Mars is as close as its been in recorded history, the closest opposition in something like 80,000 years. If you try to go to ...

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SIGGRAPH 2003 Papers

Published on 2003-08-20 by Mark VandeWettering

I didn’t attend this year’s SIGGRAPH, so I was pleased to find the following link to the SIGGRAPH 2003 Papers online. Perhaps the time for ...

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CGI Map Generator…

Published on 2003-08-18 by Mark VandeWettering

While mucking around some more with maps, I encountered a somewhat useful website at the Census Bureau that can be used to draw maps from ...

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Mapping for Free

Published on 2003-08-17 by Mark VandeWettering

While mucking around with my GPS, I immediately thought about providing my own map capability. The question immediately arose: where can I get street level ...

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GPS programming in Python

Published on 2003-08-16 by Mark VandeWettering

I just recently bought a new laptop, and on a total spur of the moment bought a Delorme Earthmate GPS to go along with it. ...

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Music on the PDP-1

Published on 2003-08-13 by Mark VandeWettering

A couple of years ago, Tom Duff approached me with the notion that he was going to write a simulator for the ancient PDP-1 so ...

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RC-Cam Website

Published on 2003-08-07 by Mark VandeWettering

RC-CAM: Amazing R/C model video system seems to have some interesting information about using video cameras aboard radio controlled models. ...

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Nifty Bootable CD

Published on 2003-08-06 by Mark VandeWettering

In the last couple of weeks, I’ve discovered two projects which both boot from CD, don’t install anything on the PC, and provide interesting functionality. ...

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Gigli — A Movie Review

Published on 2003-08-03 by Mark VandeWettering

I’m a huge fan of what reasonably called "bad cinema". I go to see the terrible comedies, the action films, horror movies, what most serious ...

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Holy Rat Brains, Batman!

Published on 2003-07-29 by Mark VandeWettering

Today, the BBC is running an article entitled [Rat-brained robot does distant art][1]. The idea is that a collection of 50,000 rat neurons in a ...

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Happy Birthday to BrainWagon!

Published on 2003-07-28 by Mark VandeWettering

As is typical of males, I forgot a birthday! As of July 21, [BrainWagon][1] celebrated it’s one year anniversary. Huzzah! Let the kegs of ale ...

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Quine in Python

Published on 2003-07-28 by Mark VandeWettering

I’ve been trying to hone my Python skills. Python has lots of nice commands for manipulating text, including standard libraries for doing base64 encoding. After ...

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More cool IR stuff…

Published on 2003-07-11 by Mark VandeWettering

I’ve been experimenting with digital photography using my Nikon 4500, and have took some kind of cool pictures. The palm on the right was shot ...

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Keeping an eye on Mars…

Published on 2003-07-09 by Mark VandeWettering

As Mars approaches its closest opposition in something like 80,000 years, [International MarsWatch][1] is a great website to track for the latest images and information ...

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Shuttle Musings…

Published on 2003-07-08 by Mark VandeWettering

Today, [ Slashdot][1] is reporting that the [ BBC][2] has announced that recent investigation of the Columbia disaster has shown that the foam that blew ...

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Je suis en vacance!

Published on 2003-06-21 by Mark VandeWettering

Je suis en vacance au Paris, mais je vais aller chez moi souvent. A toute a l’heure! P.S. You can get your slashdot fix for ...

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Experiments with Webware

Published on 2003-06-13 by Mark VandeWettering

I’ve toyed with the idea of writing my own weblog, and toward that end have been playing a bit with Python and the Webware application ...

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Fun with PyEphem…

Published on 2003-05-31 by Mark VandeWettering

I’ve been trying to tune up some of my telescopes for the upcoming Mars event. In late August, Mars will be closer to the earth ...

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Finding Nemo released

Published on 2003-05-30 by Mark VandeWettering

Well, it’s that time again, I’ve got another production credit on another movie. Pixar is releasing _Finding Nemo_, starring a young clownfish named Nemo and ...

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Narrowband Television

Published on 2003-05-20 by Mark VandeWettering

The problem with the web is that sometimes you hit a website that drags you off into a direction completely unrelated to anything you’ve really ...

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Moon picture…

Published on 2003-05-18 by Mark VandeWettering

Well, I didn’t try to take any pictures of the lunar eclipse, but I did try to take a picture of the post-full moon using ...

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Cool Photography Link

Published on 2003-05-16 by Mark VandeWettering

Digital Photography For What It’s Worth is a great webpage with many terrific hints for the digital photographer, including a rather interesting page on infrared ...

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More fun with fingerprints

Published on 2003-05-15 by Mark VandeWettering

I have to admit that I’m a pretty big fan of CSI . Not the crappy new CSI: Miami , but the original one. It ...

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Fun with Fingerprint Readers

Published on 2003-05-15 by Mark VandeWettering

Bruce Schneier is the author of Applied Cryptography , the incredibly useful encylopedia of modern cryptographic algorithms. He also publishes the Cryptogram, an electronic bulletin ...

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phlog — a photo weblog

Published on 2003-05-11 by Mark VandeWettering

Since Carmen and I both just got new digital cameras, we are taking a lot more photos and Carmen wanted me to create a simple ...

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More Panoramas…

Published on 2003-05-10 by Mark VandeWettering

I love the new Nikon, and have had some fun playing around with it. I used Panorama Factory to stitch together 11 images to construct ...

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Improved Camera Manual

Published on 2003-05-05 by Mark VandeWettering

CK’s Digital Camera Page has a really nice set of manuals for certain Nikon cameras, including my new Nikon 4500. ...

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New Digital Camera

Published on 2003-05-05 by Mark VandeWettering

I’m planning an anniversary trip to Paris with the missus, and decided that it was time to retire our aging Kodak 210+ camera and buy ...

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What to wget…

Published on 2003-05-03 by Mark VandeWettering

SuperDeluxo4 wgets and curls is a nifty site which logs interesting things that you can do with the command line tools wget and curl . ...

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Audio compression compared…

Published on 2003-04-29 by Mark VandeWettering

I’ve been interested in compression technology of all kinds for what seems like forever. Saturday I did some informal testing of the Ogg Vorbis codec, ...

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Mpeg Mandelbrot Madness

Published on 2003-04-14 by Mark VandeWettering

Well, I was working on some software to do panoramic image stitching over the weekend. Several hours of work yielded some phase correlation code that ...

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Panoramic Images

Published on 2003-04-10 by Mark VandeWettering

I’ve been interested in using digital cameras to capture panoramas, and yesterday I had my cheapy $50 digital camera with me, so I shot 19 ...

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Reinventing the weblog wheel

Published on 2003-04-07 by Mark VandeWettering

I’m fairly happy with Movable Type , but I am constantly on the lookout for new weblogging software. During one of my surf sessions, I ...

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What’s next, the Humongous squid?

Published on 2003-04-03 by Mark VandeWettering

The BBC is announcing the discovery of a squid thought to be larger than any discovered so far. The so-called giant squid or Architeuthis dux ...

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Building a Panoramic Camera

Published on 2003-04-02 by Mark VandeWettering

A Panoramic Camera is a terrific webpage by Giorgio Carboni. The rest of his website is awsome too, and includes many nifty science projects. His ...

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Journalist fired for altering photo…

Published on 2003-04-02 by Mark VandeWettering

Los Angeles Times – Editor’s Note details the dismissal of Brian Walksi, former photographer for the LA Times. He produced an altered photograph of a ...

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Still more DJVU

Published on 2003-03-30 by Mark VandeWettering

I’ve scanned and created another document, an article from the Gleanings for the ATM column that ran for years in the magazine Sky and Telescope. ...

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More experiments with djvu

Published on 2003-03-29 by Mark VandeWettering

I did a bit more research on djvu, and have done some more experiments. Long ago, I rescued a huge number of old Scientific American ...

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From the Hackers mailing list…

Published on 2003-03-26 by Mark VandeWettering

“Of course the people don’t want war. But after all, it’s the leaders of the country who determine the policy, and it’s always a simple ...

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Postcards from Japan

Published on 2003-03-19 by Mark VandeWettering

Bill and Anne were nice enough to send me this spiffy postcard from Japan. Mmm. Sushi. ...

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Scanning and Archival

Published on 2003-03-18 by Mark VandeWettering

I have a bunch of papers that are not valuable, but are rare and hard to find. Some I have only as faded Xeroxes, such ...

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Seven Signs of Bogus Science

Published on 2003-03-11 by Mark VandeWettering

I recently spotted this article on the subject of spotting bogus science. It’s enormously easy to be hoodwinked by science, and these seven rules can ...

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Shockwave

Published on 2003-03-07 by Mark VandeWettering

Just for kicks, I tried creating a simple shockwave animation. <tr> <td> <embed src="https://brainwagon.org/files/bw.swf" width="234" height="30"> </td> </tr> </table> <p> I generated this with <a ...

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FPGA Miscelleny

Published on 2003-03-05 by Mark VandeWettering

This is just a potpourri of FPGA related items. I’m fairly interested in hardware design (although have not really done very much of it). I’ve ...

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OLED displays…

Published on 2003-03-04 by Mark VandeWettering

The new up and coming display technology is Organic Light Emitting Diodes, or OLED displays. OLEDs will be cheaper to manufacture, have a much faster ...

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What are they teaching our children?

Published on 2003-03-03 by Mark VandeWettering

{.alignright} Allrighty, I know, if I am going to get irritated by the ignorance of human beings, I shouldn’t read Slashdot . A recent article ...

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Bizarre Fish

Published on 2003-03-03 by Mark VandeWettering

I love to watch nature documentaries and the like on PBS, but most of them go over information that has been rehashed a million times. ...

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Listen to the engineers…

Published on 2003-02-27 by Mark VandeWettering

CNN is running a story today entitled [CNN.com – Shuttle engineers warned of burning wing – Feb. 27, 2003][1]. It appears that serious doubts about ...

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The Music Industry

Published on 2003-02-24 by Mark VandeWettering

I was reading a Slashdot article this morning entitled A Music Industry Case Study , and was suddenly struck by the apparent absurdity of the ...

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Space Object Identified!

Published on 2003-02-20 by Mark VandeWettering

In a previous article , I posted pictures taken by my friend Phil of the Orion Nebula and hypothesized that they were of a geosynchronous ...

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Bird Pictures

Published on 2003-02-17 by Mark VandeWettering

Carmen noticed some interesting raptors perched on our back fence and asked me where my binoculars were. I have a pair of nice Celestron 7×50 ...

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Happy Birthday Charles Darwin!

Published on 2003-02-12 by Mark VandeWettering

On February 12, 1809, Charles Darwin was born. I think a strong argument could be made that Darwin is the most influential scientist of all ...

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nntp//rss

Published on 2003-02-09 by Mark VandeWettering

I like to peruse sweetcode , a very nice website that contains pointers to interesting but perhaps not very well known software projects. During a ...

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Behind the Curtain of Java

Published on 2003-02-08 by Mark VandeWettering

INTERNALMEMOS.COM has a nifty article written by a colleciton of Sun Software engineers about the inappropriateness of Java on the Solaris platform. I think it ...

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Man vs. Machine

Published on 2003-02-08 by Mark VandeWettering

Kasparov fights to a draw in a six game match against Deep Junior. I’m not a very good chess player myself, but I spent a ...

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Strange Space Objects

Published on 2003-02-03 by Mark VandeWettering

{.alignright} {.alignright} My friend Phil sent me these pictures he took using a Canon D60 through a small wide angle telescope. He sent me these ...

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Noah’s Ark Found!

Published on 2003-01-30 by Mark VandeWettering

I am fascinated by pseudoscience, creationism and all sorts of other leger de brain that people engage in. Occasionally I end run accross websites that ...

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Ark of the Covenent Found!

Published on 2003-01-30 by Mark VandeWettering

I am fascinated by pseudoscience, creationism and all sorts of other leger de brain that people engage in. Occasionally I end run accross websites that ...

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Ouch!

Published on 2003-01-30 by Mark VandeWettering

You think your day is bad, be glad that you aren’t a crab. Don’t watch this if you are squeamish or feel particularly kindly towards ...

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Motherboard Monitoring

Published on 2003-01-29 by Mark VandeWettering

Modern motherboards kick ass. They have all sorts of temperature sensors that can tell you what the current temperatures, fans and voltages are. I’ve had ...

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Robot Sumo

Published on 2003-01-26 by Mark VandeWettering

{.alignright} I stopped by Barnes & Noble on the way home the other day, and was bemused by a couple of books, including this one ...

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Cryptography Potpourri

Published on 2003-01-24 by Mark VandeWettering

I’ve also maintained a bit of an amateur interest in cryptography. While I understand a bit about modern ciphers such as DES, IDEAL and RC4, ...

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Mantaining a Robotic Sense of Balance…

Published on 2003-01-23 by Mark VandeWettering

I’ve always been interested in robotics (particularly of the amateur variety) and in the past few days I’ve discovered some excellent links. Slashdot ran an ...

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Thanks Larry!

Published on 2003-01-16 by Mark VandeWettering

A great post-mortem of the Eldred vs. Ashcroft decision is going on Lawrence Lessig’s weblog. I’ve decided to add it to my newsfeeds on the ...

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Cool code…

Published on 2003-01-16 by Mark VandeWettering

While searching for some information about Duff’s device, I ran aground on The Apocrypha , a collection of interesting code including Duff’s device and emulating ...

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Dark Day for the Public

Published on 2003-01-15 by Mark VandeWettering

The story is just now breaking that the Supreme Court has upheld the Sonny Bono Copyright Extension Act as constitutional in a 7-2 decision. I ...

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Hello, my name is Mark

Published on 2003-01-09 by Mark VandeWettering

I admit it. I have a hard time with names. Actually, that isn’t true. I actually memorize names fairly well. The only problem is that ...

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New Time Radio

Published on 2002-12-27 by Mark VandeWettering

Every once in a while I have a chain of thoughts that connects seemingly unrelated things together into a new set of ideas. One of ...

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A gift from the public domain…

Published on 2002-12-22 by Mark VandeWettering

While surfing around for Christmas ideas, I landed upon a link to L. Frank Baum (author of The Wizard of Oz ) and his classic ...

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Cool Panoramic Images of Hong Kong

Published on 2002-12-13 by Mark VandeWettering

Dan Lyke apparently visited Hong Kong recently, and took some very nice pictures of the skyline at night. His panorama is very nice indeed, shot ...

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More on copyright

Published on 2002-12-13 by Mark VandeWettering

Lawrence Lessig has another nice short opinion piece entitled Racing Against Time . If you’ve followed Lessig’s crusade against the Sonny Bono Copyright Term Extension ...

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High Speed Photographs

Published on 2002-12-09 by Mark VandeWettering

I can always rely on Craig to send out interesting links having to do with guns, airplanes or just destruction. SUDDEN IMPACT !, From AMMOMAN.COM ...

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Fun with environment maps

Published on 2002-12-05 by Mark VandeWettering

I’ve been goofing around a bit with trying to acquire environment maps from real environments for use in computer graphics. The usual method (quite old, ...

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Happy Thanksgiving!

Published on 2002-11-28 by Mark VandeWettering

Well, as I place the sage and thyme stuffed bird into a toasty oven, I am reminded that it is Thanksgiving and that I have ...

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King Tut’s Tomb

Published on 2002-11-26 by Mark VandeWettering

Today marks the 80th anniversary of the the opening of King Tutankhamen’s tomb by Carter and Canarvan in the Valley of the Kings. I’ve been ...

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Weblog of the century…

Published on 2002-11-26 by Mark VandeWettering

Somebody at work presented a link to this site because it contained a review of the new Monsters Inc. DVD, but it turns out to ...

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Back from the dead…

Published on 2002-11-25 by Mark VandeWettering

Slashdot | Bringing Back the PDP8 relates the efforts of Andrew Grillet and his attempt to make a PDP8 clone using FPGA chips. I’m virtually ...

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New RSS Feeds

Published on 2002-11-20 by Mark VandeWettering

In an afternoon of goofing around, I added some RSS feeds to my website. Check them out on the right. ...

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Faster isn’t always better

Published on 2002-11-19 by Mark VandeWettering

It’s been about a year since I put together my last computer, a small system based upon Shuttle’s SpaceWalker SV24 motherboard and case. In most ...

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I wonder…

Published on 2002-11-18 by Mark VandeWettering

I was reading memepool today, and they had an article on Dr. Michael Kelly, a guy who sells video tapes purporting to teach martial arts ...

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Leonids returning

Published on 2002-11-15 by Mark VandeWettering

Last year I carted my wife and son out to view the Leonic meteor shower, and we were blessed with a pretty spectacular show. I ...

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Aliens fly among us!

Published on 2002-11-07 by Mark VandeWettering

Try checking out overflight.com for instructions on how to build a fire balloon that will likely trigger widespread reports of UFO invasions in the local ...

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Cheap DVD players

Published on 2002-10-30 by Mark VandeWettering

As part of my preparation for the Hackers conference, I decided to use open source software to make a nice presentation, and instead of presenting ...

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On disappointment….

Published on 2002-10-28 by Mark VandeWettering

Well, the World Series is over. _ Sigh. _ The Giants had their opportunities. Saturday’s game was in the bag. And then it wasn’t. And ...

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On the Public Domain…

Published on 2002-10-22 by Mark VandeWettering

I was toying around with GNU vcdimager this week, trying to make some nice interactive video CDs. I was looking for some video footage in ...

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The Giants Win the Pennant!

Published on 2002-10-15 by Mark VandeWettering

After the Giants came from behind to beat the Cardinals on Sunday in a brilliant and exciting game, my wife decided that we needed to ...

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My Big Fat Greek Wedding

Published on 2002-10-14 by Mark VandeWettering

Since my wife has endured so many of the movies that I wanted to see (mostly having the words ninja , vampire or cheerleader in ...

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Small OS for Small Media?

Published on 2002-10-04 by Mark VandeWettering

While tinkering around the house the other day, I remembered that my wife’s old laptop had suffered some kind of win98 related meltdown (it claimed ...

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Wooden Periodic Table Table

Published on 2002-10-04 by Mark VandeWettering

Thanks to Wayne Wooten, who sent me to this Ig Nobel prize winner . Surprisingly decorative and informative! ...

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Legal Liability for Software Defects

Published on 2002-09-24 by Mark VandeWettering

ZDNet UK is currently running a story about the comments made by Microsoft VP Steve Ballmer about Microsoft. This provoked the usual backlash of anti-Microsoft ...

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Welcome Back!

Published on 2002-09-20 by Mark VandeWettering

A long lost booster section from Apollo 12 has apparently reentered Earth orbit, for the time being at least. NASA’s Near Earth Object Program has ...

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Goofing around with pygame

Published on 2002-09-16 by Mark VandeWettering

I was trying to decide on the easiest way to make a graphical user interface for the Scarne’s Challenge puzzle game that I’ve been experimenting ...

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AES Broken?

Published on 2002-09-16 by Mark VandeWettering

I subscribe to Bruce Schneier’s Crypto-Gram newsletter, because I have mostly passing interest in things having to do with cryptography. Today’s included a rather startling ...

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Nice Biology Site

Published on 2002-09-13 by Mark VandeWettering

I read talk.origins quite a bit. It is mostly a grand waste of time, but I like to read about the topic of evolution and ...

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Zounds! Sounds!

Published on 2002-09-09 by Mark VandeWettering

While browsing through sweetcode’s archives I found an interesting link to Andrew Plotkin’s program boodler . Boodler is a soundscape generation tool written in Python. ...

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Do something good!

Published on 2002-09-09 by Mark VandeWettering

Recently I experienced something new: the excitement of rushing my wife to the emergency room for stitches. She slipped while hiking and gashed her arm ...

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Awari Solved

Published on 2002-09-07 by Mark VandeWettering

The University of Alberta has a very cool group that does research into gameplay. Recently they solved Awari , a very old game that is ...

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Alphabet Soup

Published on 2002-09-06 by Mark VandeWettering

While surfing around on sweetcode today I found a link to a project called Alphabet Soup , a wacky project by Matt Chisolm that attempts ...

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The Tower of Babel

Published on 2002-09-06 by Mark VandeWettering

I’ve been working a bit more on my weblog over the past few days, trying to clean up and remodularize the templates that I’ve been ...

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The Oakland Athletics

Published on 2002-09-05 by Mark VandeWettering

Damn. I love baseball. It didn’t use to be that way. I found baseball to be rather dry and slow paced and not very interesting. ...

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Bad Science

Published on 2002-09-04 by Mark VandeWettering

I originally created several topics for this website to classify various types of Science. These included Science , Mad Science and Bad Science . Today, ...

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Update: Scarne’s Challenge

Published on 2002-08-30 by Mark VandeWettering

After running all night, I can assert with confidence that there are no paths of length 71 or less. I’m obviously not going to get ...

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Surprise, Success!

Published on 2002-08-30 by Mark VandeWettering

My exhaustive testing indicated that the shortest path to the goal position in Scarne’s challenge was at least 71 moves long. I relaxed the criteria ...

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First try at Scarne’s Challenge

Published on 2002-08-30 by Mark VandeWettering

After a couple more hours of typing, I managed to get a start on Scarne’s Challenge. I’ve got a simple version of IDA* with transposition ...

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On search…

Published on 2002-08-29 by Mark VandeWettering

Well, I decided to start my exploration of the Scarne’s challenge by writing a simpler program to test out my recollection of how the A* ...

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Scarne’s Challenge

Published on 2002-08-27 by Mark VandeWettering

At the Hacker’s picnic the other day, Bill Ragsdale was trying to drum up interest in participating in writing computer players for Scarne’s Challenge, a ...

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Revamp in Progress

Published on 2002-08-26 by Mark VandeWettering

Excuse our dust. Eric Meyer’s book on cascading style sheets made me rethink the strategy and design of my website, and it will probably take ...

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Eric Meyer on CSS

Published on 2002-08-23 by Mark VandeWettering

I just picked up a copy of a new book on Cascading Style sheets by Eric Meyer. He’s a wizard of all things having to ...

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Threats to Open Source Software…

Published on 2002-08-21 by Mark VandeWettering

Open source software owes its existence to the convergence of three technologies: Fast, cheap computer hardware Fast, cheap networking Cheap compilers Inexpensive PC hardware provides ...

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Say Goodbye to Microsoft Webfonts?

Published on 2002-08-19 by Mark VandeWettering

I love twiddling around with fonts, but let’s face it: most of them completely suck, especially for display on screens and in web browser. Without ...

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LinuxWorld Expo

Published on 2002-08-15 by Mark VandeWettering

I had no meetings scheduled for the afternoon, so I decided to trek into San Francisco and attend the Linux World Expo . I was ...

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An Essay on Typography

Published on 2002-08-14 by Mark VandeWettering

Recently I’ve become rather interested in the topic of the design and printing of books. It seems that many modern books are incredibly poorly designed ...

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Two Down, Two Left

Published on 2002-08-12 by Mark VandeWettering

In an earlier story I mentioned the project to fly a model airplane across the Atlantic Ocean. So far they have managed to lose two ...

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Image Mosaics

Published on 2002-08-11 by Mark VandeWettering

Yesterday I set my webcam grabbing images from television. I made some modifications to the frame grabber to archive time stamped versions of each image. ...

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My Webcam

Published on 2002-08-11 by Mark VandeWettering

I decided to dust off some of the old webcam software I wrote years ago and merge it into my home page. Right now it ...

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Trans-Atlantic Model Airplane

Published on 2002-08-08 by Mark VandeWettering

National Geographic reports that a group of model airplane builders are about to attempt the first transatlantic crossing with a true model airplane. A model ...

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Founding of Brain Wagon University

Published on 2002-08-08 by Mark VandeWettering

I was goofing around with PostScript some more, and the idea of making some fancy certificates or diplomas got into my head. But what good ...

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Primality Testing is in P

Published on 2002-08-07 by Mark VandeWettering

RSA encryption relies on being able to find large primes. For quite some time, the Miller-Rabin test has been known to be able to determine ...

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Office Toys

Published on 2002-08-07 by Mark VandeWettering

I like to have toys in my office. I like puzzles and gadgets, cool lights and just weird stuff in general. I’ve got got a ...

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Amateur CCD Imaging

Published on 2002-08-06 by Mark VandeWettering

I’ve been interested in CCD imaging for quite some time, but haven’t had the scope + budget to really get involved. Nonetheless, I monitor a ...

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Gert’s Astronomy Page

Published on 2002-08-03 by Mark VandeWettering

Often I donate my Friday evenings to teach telescope making at the Chabot Science Center. Gert Gottschalk often shows up to participate, and he reminded ...

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The Amateur Scientist

Published on 2002-08-02 by Mark VandeWettering

When I was a young, I used to spend a great deal of time at our local library, which was within two blocks of my ...

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P.S. Postscript is handy…

Published on 2002-08-01 by Mark VandeWettering

Most people probably just think of Postscript as being that stuff that lives in your printer. I am probably one of the one in a ...

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Knock off that bloody racket!

Published on 2002-07-31 by Mark VandeWettering

CNN is reporting on a Thai computer programmer who is selling a computer program that is supposed to repel mosquitos and rats. The program supposedly ...

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All for the sake of science…

Published on 2002-07-30 by Mark VandeWettering

Sometimes you hit the motherlode of strange when you are just randomly surfing. I revisited Bill Beaty’s Amateur Science Page. It’s a great site, with ...

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DIY Metalworking

Published on 2002-07-29 by Mark VandeWettering

As part of my experiments with telescope making, I’ve been exposed through the efforts of some of my friends to the world of metalworking. i ...

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Intelligent Design

Published on 2002-07-27 by Mark VandeWettering

Recently the topic of intelligent design has been getting quite a bit of play in the media. Proponents of intelligent design claim that the evidence ...

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VLF Radio

Published on 2002-07-24 by Mark VandeWettering

An interesting portion of the radio spectrum lies below the normal AM broadcast band. Amateurs are allowed to operate weak transmitters in the region of ...

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Takes a licking…

Published on 2002-07-23 by Mark VandeWettering

Just like the Energizer Bunny, many of our early space probes seem to be ticking along way past their original lifetime estimates. According to an ...

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Rare Earth

Published on 2002-07-21 by Mark VandeWettering

One of the most important and interesting question that science can ask is whether or not life exists elsewhere in the universe. The recent book ...

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Welcome

Published on 2002-07-21 by Mark VandeWettering

I created this weblog mainly to serve as an outlet for the many myriad topics that my job, family and interests thrust into my brain ...

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