Video: Harvard's Tiny Kilobots Are Now Swarming By The Hundreds

When robots are cheap, why not build an army of them? A couple of years ago, Harvard's Self Organizing Systems Research Group came up with an idea: make a robot so cheap that it's not cost-prohibitive to buy a hundred, or even a thousand of them. Kilobots are the fruit of that idea. The tiny, $14-a-pop robots communicate with each other via infrared lights on their underbellies, which can be used to signal to other Kilobots in the vicinity. As such, they can be used to demonstrate and experiment...