Honda developed the U3-X with technology originally developed for ASIMO the robot. Honda states that the “U” stands for unicycle and for universal. It weighs 10 kg (22 lb) and travels at 6 km/h (3.7 mph), a similar speed to the Toyota Winglet. It was unveiled by Honda’s CEO on September 24, 2009 and will be debuted at the 2009 Tokyo Motor Show. Time Magazine called it one of the 50 best inventions of 2009.
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