Motorized Unicycles - The Uno (GALLERY)

The unique Uno made its debut at the 2008 National Motorcycle Show in Toronto. Invented by 18-year-old Ben J. Poss Gulak, The Uno is very hard to define or put into a category. What is it exactly?

It’s a 54.4 kg (120 lb) machine that has no other controls other than a power switch.

“To go forward you simply push your body weight forward to tilt the machine,” MotorcycleMojo.com says. “To back up, just lean back on the seat to tilt it backwards and back it goes. The farther you lean, the faster it accelerates. The gyro tells the ECU how much to accelerate and that in turn delivers the proper amount of current to the electric motors, one for each wheel.”