Humanoid robot Twendy-One gives a hand to assist Waseda University student Genki Fujii to move from his bed to a wheelchair during a demonstration of the robot designed to be safe to take care of elderly at the university laboratory in Tokyo Tuesday, Nov. 28, 2007. The 1.5-meter (3 feet 8 inches)-tall and 111-kilogram (244 pounds), battery-powered robot has been developed by Prof. Shigeki Sugano of Department of Mechanical Engineering of the university
