I'll bet you don't have one of these at home. For the past several years, researchers at the University of Illinois at Urbana-Champaign have been developing a class of walking "bio-bots" powered by ...
Image of a bio-bot The dark section between the two legs is a ring of muscle and spinal cord that moves the bio-bot and is connected to the skeleton. (Courtesy: Collin Kaufman, University of Illinois) ...