http://www.impactlab.net/2011/09/04/solar-bottle-bulb-a-cheap-and-sustainable-way-to-light-homes/
September 4th, 2011 at 12:52 pm
Solar Bottle Bulb – a cheap and sustainable way to light homes
in: Great New Product, Green Friendly, People Making a Difference, Science & Technology News, Solar Power
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Now a simple innovation called the “Solar Bottle Bulb” is popping out of roofs and illuminating the lives of many.
Fixed into holes in a corrugated iron roof, the “bulb” is a recycled plastic bottle that contains bleached water. Bringing more light than a traditional window that can crack or leak during typhoon season, the bottle bulbs refract the sun’s rays to create 55-watts worth of light.
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Hmmm, a useful idea for any house, garage, or shed?
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Reinke Faces Life 