Solar Bottle Bulb

The idea of using plastic bottles for daylight was first pioneered by Alfredo Moser from Brazil in 2002 and by MIT students in 2011. You can light up a dark room by installing a water or soda bottle filled with water and bleach in the roof. The water will refract any sunlight falling on the bottle, mimicking an electric light bulb of 40-60 W. Learn about the Solar Bottle Bulb and other appropriate technologies through our development resources


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