Saturday, December 15, 2012

Gravity powers new lamp for developing countries | Crave - CNET

Gravity powers new lamp for developing countries | Crave - CNET: "t's easy to take our electric lights for granted. Many people in developing counties don't have the luxury of electric grids and have to rely on kerosene lamps to brighten the night. Kerosene costs money and breathing the fumes is dangerous. A new light powered by gravity could be a superior solution to lighting needs."

'via Blog this'

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