Minnesota Public Radio slideshow:
Reinventing the wheel?
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The self-balancing scooter uses five gyroscopes and two tilt sensors to gauge a rider's center of gravity, evaluating conditions about 100 times a second. (Nikki Tundel)

The self-balancing scooter uses five gyroscopes and two tilt sensors to gauge a rider's center of gravity, evaluating conditions about 100 times a second.

(Nikki Tundel)
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