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GravityLight: Light for developing countries  Based on GravityLight 1.3 billion people worldwide don’t have access to electricity, with the majority relying on kerosene for lighting. Kerosene lamps produce toxic fumes.   GravityLight™ is an innovative | by pietrablu2000
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GravityLight: Light for developing countries Based on GravityLight 1.3 billion people worldwide don’t have access to electricity, with the majority relying on kerosene for lighting. Kerosene lamps produce toxic fumes. GravityLight™ is an innovative

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Uploaded on March 13, 2015