TEKNIK ELEKTRONIKA

US company Ryno Motors has built a one-wheeled electric scooter that uses a gyroscope to keep itself upright, like a Segway. The device, which is called the Ryno, requires you to lean forward to accelerate and backward to decelerate.

The idea for the scooter came from a 13-year-old girl called Lauren. She was on a fishing trip with her dad, Chris Hoffman, when she said she'd seen a one-wheeled motorbike in a videogame and wanted to ride one to school.

They talked through all the reasons why it might or might not work, and eventually Hoffman began to put together a prototype. All the parts for that prototype were picked up off-the-shelf, and after shopping it around a few investors and building the team up, Ryno is preparing to launch it on the market.

The device is planned to have a range of upto 30 miles, with a max speed of 25mph but a recharge time of just 90 minutes. It weighs 57 kg, and can cope with slopes of up to 30 percent before it starts getting confused. The manufacturers reckon it'll hit the market at around

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