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4 posts tagged with poverty and technology. (View popular tags)
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MIT students created water bottle light bulbs
that diffract natural sunlight and provide the equivalent of a 55 watt light bulb out of an empty plastic bottle, water, and a few drops of bleach. They are being installed and used in shanty towns where no natural light gets into the makeshift tin roof homes.
posted by COD
on Aug 3, 2011 -