I’ve set up a new site called Learn You A Origami!, which features video tutorials from YouTube of how to fold several different models. I’ll be adding new models periodically.

The site uses my StepReplay software, which is a JavaScript library that puts “steps” in any YouTube video using the YouTube API. The problem with most […]

Practical, insightful, and delightful. (5 out of 5 stars.)
Axelrod’s “The Evolution of Cooperation” delivers ideas that are at the same time obvious but surprisingly insightful to human nature. It is a small and readable book which every chapter left me thinking, “Of course, why didn’t I think of it like that?”
The core of the book […]

If you don’t know Lua, the popular programming language often used as a embedded scripting language, but you do know how to program, here’s a cheat sheet that covers the basics of the language’s syntax.
The cheat sheet itself is an executable program. You can download the file here: lua_cheat_sheet.lua
For quick viewing, here it is on […]