Takahiro Takeda, a postgraduate student of Tohoku University, dances with the Partner Ballroom Dance Robot, a robot dance partner, in Chino, central Japan June 21, 2005. The 1.65 metre robot developed by Japan's Nomura Unison Co. and Tohoku University can move in all-directions on its three wheels, is equipped with a sensor that allows it to deduce how a person is trying to dance and is programmed to execute dance moves to match the person's movements. REUTERS/Issei Kato