brainwagon

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: why am I so slow at them? Technorati Tags: Puzzles, Recreational Math, Sudoku

This is just completely nuts, an 8 bit computer constructed entirely from 12 volt relays. It consumes 12 amps at 13.5 volts (160 watts). Hilarious. Technorati Tags: Retrocomputing, Hacks

No more clumsy dropdowns!  Another first second bold innovation, well, feature from Google. And, predictably, their stock is down over 10 today. Technorati Tags: Google, Google Mail Gmail includes Delete button, users rejoice – Lifehacker