Welcome the future as we see a replacement to the ever lovable unicycle. There have been generations of clowns, jesters and other entertainers who have embraced the beloved wheel. The Noah has two tires that work according to the rider’s projection. You are provided with control to accelerate and brake (duh!) as well as turn the vehicle in the direction that you desire. The tires work well to stabilize the vehicle while it turns. This is made possible by a mechanism that allows the tires to move one above the other while turning. The Noah isn't just another high school project and came a runner up in last year’s Plascar Automotive Design Contest.
The Noah was designed by Andrei Fran?a who hails from Belo Horizonte, Brazil. I want one of these in a few decades.
Source
http://www.luxurylaunches.com/transport/the_noah_is_a_two_tired_unicycle.php