Wall Cars Will Race Automagically for Eternity

This is what happens when you get a couple of cheap RC cars and add proximity sensors, extra batteries, robot brains, and name them Steve McQueen and Burt Reynolds: totally-automated racing all around your house. These electric robocars can detect the walls around them and race against each other for as long as the… » 6/12/08 7:51am 6/12/08 7:51am