It's hard not to do a double-take when first laying eyes on the Onewheel. After all, it is a single-wheeled skateboard that uses an electric motor, accelerometers, gyros and a microcontroller to give riders a smooth, self-balancing ride. The contraption's creator, Kyle Doerksen, brought a prototype by the Engadget trailer here at CES, and we couldn't resist putting it through its paces.
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