Richard Stallman is leader of the free software movement and father of GNU. Naturally, he's in demand as a speaker. And so NATURALLY he has a completely ride-the-orangutan insane tour rider.
Software developer JT Nimoy has an amazing collection of images from Tron Legacy on his site, where he explains all the math, physics, and old-school computer geekery that he put into making Flynn's digital world.
The Universal Software Radio Peripheral (USRP) project is an open-source software radio system that can grab and decode anything: GPS, FM radio, HDTV, and even the signals sent by garage door openers. Like a radio Lego set, you simply point the software and antenna at a source and it begins grabbing everything…