Monthly Archives: December 2012

This $5 lamp is powered by gravity!

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It may sound like an impossible dream, but two designers in London, Martin Riddiford and Jim Reeves have built functioning prototypes of GravityLight, a cheap way for people indeveloping countries t0 light homes, recharge batteries, or power a radio.   And they just exceeded their Indiegogo fundraising goal by more than 500 percent with 21 days left in their campaign, so they’ll […]