Gravity Light

GravityLight

GravityLight is a revolutionary new approach to storing energy and creating illumination. It takes only 3 seconds to lift the weight which powers GravityLight, creating 30 minutes of light on its descent.This can light up 1.5 billion people that do not have electricity in their home. Contribute to GravityLight: lighting for developing countries, visit here .

 

source:indiegogo

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