When a Segway is too expensive and hard on your street cred, turn to the Solowheel BC electric gyroscopic unicycle. This seatless wonder is slightly less geeky and a lot less pricey.
How does it work? Why was it made?
The SBU stays upright using electronics including accelerometers and gyroscopes with sophisticated balancing algorithms.
I have a lot of trouble seeing a form factor that sits between a smartphone and a notebook becoming a true mainstream device.
City dwellers are coming round to the idea that electric cars aren't just gutless eco-wagons designed for attention-seeking celebutants and stinky-haired hippies. Here's our top ten