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The Gravitylight: Lighting For Developing Countries

by bill - 2013-01-02 05:00:00 ( in education, tech, help, charity) [php version]

GravityLight: lighting for the developing countries on Vimeo.

This is so cool!

"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. For free."

And here is a "less old" link.Their second fundraising campaign has also expired, but you can still how well they did.

similar posts here ... and elsewhere

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