Tuesday, July 12, 2011

A Litre of Light - Free Lighting Using the Physics of Refraction


An idea worth sharing, but the use of "poor" here is a little unnecessary, I think. Everyone can use this, whatever label you want to describe yourself with.

A bottled litre of water with a few teaspoons of bleach (to prevent algae growth) is proving to be a successful recipe for the people in the Philippines. The simple technology is spreading sunlight in places where it has never been, and saving the unnecessary use of fossil fuels.
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