The simple green technology requires only a plastic soda bottle, water and bleach. To make a Solar Bottle Bulb, fill the bottle with purified water, add two capfuls of liquid bleach (to inhibit the growth of microorganisms), and tightly seal the cap. The bottle can be inserted into a hole in the roof so that the bottom part of the bottle is exposed to the sunlight. The water inside the bottle refracts sunlight, creating an artificial light that can emit the equivalent of a 55-watt electric lamp.
Posted on: Sat, 19 Apr 2014 07:08:24 +0000
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