Gravity-Powered device that brings Light

Gravity-Powered device that brings Light

November 30, 2017

Gravity-Powered device that brings Light

GravityLight is a weight-powered device that brings light, where electricity is not available.

GravityLight relies on a 26.5 pound weight bag.



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By | 2017-11-30T19:13:14+00:00 Nov 30, 2017|Categories: Technology news|Tags: |

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