A Liter of Light – solar lights made with plastic water bottles
Posted on Sep 7 2011 at 04:21:19 AM in Technology
And light was made! No massive projects concerning the use of tons of fuel or messing up with electrical wires were needed. A Liter of Light is a sustainable lighting project which aims to bring the eco-friendly Solar Bottle Bulb to disprivileged communities in the Philippines.
A Solar Bottle Bulb is a clear water or soda bottle filled with tap water and a little bleach. This bottle is embedded into the roofs of houses, with part of the bottle outside, and part of it inside.
The effect is surprising. The rays of sunlight travel through the bottle and the mixture creates a bright 360 degrees refraction that iluminates a room with the same intensity as a 55 watt light bulb at a cost of 2 to 5 dollars.
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