Video: Popular Science Rides The Ryno

The future has arrived - and it's on one wheel. Check out the video above of the Ryno bike: a one-wheeled, electric-powered motorcycle created by Chris Hoffmann. The Ryno was based off a sketch by Hoffmann's daughter who saw something like the vehicle in a video game. With 15 years of auto industry engineering experience, Hoffmann got busy building the very first Ryno. Six years and three prototypes later, the Ryno travels at speeds up to 10 MPH and can travel up to 10 miles on a fully charged b...