Hoverboards Ignore Gravity

From the creator

An American company has developed an early version of a hoverboard--a skateboard that floats above the ground. The device uses magnet technology and battery power, but still needs more development. Originally published at - http://learningenglish.voanews.com/media/video/hoverboards-ignore-gravity/2583802.html

Published 2015-01-05 · Watch on YouTube ↗
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