Cheaper than Solar: Gravity-Powered Lights for the Developing World Cheaper than Solar: Gravity-Powered Lights for the Developing World
Design

Cheaper than Solar: Gravity-Powered Lights for the Developing World

by Adele Peters

December 13, 2012

The designers developed the project in their spare time over four years, while working at London-based design firm Therefore. They're expecting the light to cost less than $5 to manufacture at scale. Once a family purchases the light, they'll be able to keep it running at no additional expense. 

They've got an Indiegogo campaign up now to help fund production of the first lights for testing—show them some love. 

Images via Martin Riddiford and Jim Reeves

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Cheaper than Solar: Gravity-Powered Lights for the Developing World