GravityLight: Lift a Weight and Create Light

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GravityLight: lighting for the developing countries from Therefore on Vimeo.

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 during the descent of the weights. For free — no energy cost. The light device is completely green and clean.

Following the initial inspiration of using gravity, and years of perspiration, engineers have refined the design and the light is now ready for production. Engineers are looking for help to fund the tooling, manufacture and distribution of at least 1000 gravity powered lights. The lights will be gifted to villagers in both Africa and India for regular use. The follow-up research will tell us how well the lights met their needs, and enable engineers to refine the design for a more efficient “MK2” version.

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