"There is much pleasure in useless knowledge." — Bertrand Russell
A classic of puzzles (most of which I would call only marginally mathematical) Amusements In Mathematics, by Henry Ernest Dudeney. has been made available via Project Gutenberg. Lots of puzzles having to do with geometric dissection, board games, and a host of other topics. Very nice.
Something I used to good effect for a while was a "Pocketmod". You take a single page, fold it a…
Bloat is a serious problem, to be sure, but I'm not aware of many modern programming languages that avoid it.…
I'm running static pages (Notepad++) and a couple instances of Wordpress, and an instance of dokuwiki, all on ubuntu on…
I recall back in the '90s Rod Bogart (you met at Pixar?) had a small paper notebook with a detailed…
I move my pretty useless blog to Hugo about 7 years ago, since I got frustrated at too many security…