This builds on the whole Segway craze. Hit the link below to see a video.
Honda's U3-X unicycle really for robots
(CNET.COM) Honda on Wednesday unveiled the U3-X, a stool with a unique directional wheel system that allows it to travel diagonally, as well as right, left, forward, and backward.It's basically a robotic unicycle.
The device is able to readjust itself so that instead of riders having to constantly balance themselves, the robotic unicycle does the compensating.
Learn more about Honda's U3-X.

Cool