The Headless Batsman.

Frank Barnes built this batting robot out of auto parts, steel pipes, and various other junk. A remote control changes the batter’s stance, and another homemade machine sends the pitches. Push play or go to YouTube. http://www.popsci.com/popsci/how20/4aae403ecbcf2110vgnvcm1000004eecbccdrcrd.html?s_prop16=%20RSS:how2 to story. -via Digg