Battery-free lamp for developing nations is powered by gravity

Battery-free lamp for developing nations is powered by gravity

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In areas with poor access to electricity, many people rely on dangerous kerosene lamps once night falls. The Nokero solar-powered light is one solution that is aiming to deal with the problem, and now deciwatt.org’s GravityLight joins it in providing cheap, safe and environmentally-friendly light for developing nations.

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