The Philips company introduces lights that run without electricity or solar power. Instead, they harness the bioluminescence of bacteria. You have to feed them fuel, namely methane and compost. The lights developed so far aren't bright enough to read by, but they may have other uses, like illuminating dark roads and exit signs. Link -via Buzzfeed
Took 'em that long? W. Gibson reported this back in the 80's....
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