Submission + - Mechanical pong. 1
MicklePickle writes: There's nothing better than retro video games, (IMO), the ultimate retro is something like a pure mechanical pinball or one arm bandit. You can actually go one step further.. Mechanical pong. This guy here has made a purely mechanical version of pong. No computers, no microprocessors, in fact no semiconductors. Just built from wood, plastic, wire, and relays. Pretty impressive.
You can pick up the 'how did I make it' video from here.