(YouTube Link) This dangerous, yet beautifully mesmerizing, little device is called the Pyro Board-a table top full of flammable gas that makes flame patterns in a reaction to soundwaves that are directed at the board...

(YouTube link) Going old school in the geekiest way possible, Windell Oskay at Evil Mad Scientist Laboratories has built a non-video version of Pong. The process of building it is posted as well. Link...