Japanese Dancing Toy

While robots capable of kinda sorta dancing along with music are hardly anything new, few can match the moves this recently developed "Keepon" robot is capable of busting out -- without arms or legs, no less. Developed by Carnegie Mellon's Marek Michalowski and Hideki Kozima of Japan's National Institute of Communications Technology, the little yellow bot uses a gimbal-based system to move through about as full a range of motions as two spheres are capable of, and is able to react to visual stimulation in a