The GravityLight: Light Up The World
lionelk Published 01/02/2013
An innovative lighting solution that uses gravity to create it's own power supply.
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The inventive light requires no fuel or alternative power source. Simply pick up the weight that is attached to the small light and let it go. As gravity pulls the bag of weight down, a small generator is turned to power the light, offering up to 30 minutes of light for literally three seconds of work. That is, picking up the weight. More on the project HERE
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