This is a great story about the early days of RYNO Motors and their one wheeled electric scooter.
See their latest pre-production show bike at their web-site: http://rynomotors.com
And just to show it’s not just a one off crazy idea, here’s one from Honda
Honda’s latest experimental vehicle, the U3-X self-balancing unicycle could challenge, perhaps even redefine society’s concept of personal mobility. Read the full story at http://www.gizmag.com/honda-u3-x-experimental-vehicle/13008/