Can pulsing 36 high-powered LEDs invoke sea-sickness? Adafruit have put together a $250 non-lethal weapon modeled after a 1 million dollar government project. The source code, schematic, and circuit board files are available. Included is a helpful video describing how she learned about these weapons and tests her own unit out on her boyfriend.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.