Reposted from: Sustainable Living
Collecting resources and success stories in sustainability
Solar Bottle Bulbs - Example of Appropriate Technology
Here's an astonishingly simple affordable way to bring lights to poor people. Fill a liter pop bottle with water and bleach and place it snugly in the roof of a shack. And presto you have the equivalent of a 55 watt light bulb as the water refracts the light 360 degrees. The bleach keeps the water clear for about 5 years. A Philippine organization called Isang Litrong Liwanag (A Liter of Light), a sustainable lighting project, is teaching people how to make the Solar Bottle Bulb. …
Continue reading Solar Bottle Bulbs - Example of Appropriate Technology
http://www.gerritbotha.com/sustainable-living-blog/
2011-07-28
Appropriate Technology
a concept that provides simple and easily replicable technologies that address basic needs in developing communities.
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See also:
10 Steps to Sustainability: http://www.gerritbotha.com/odds--ends/Resources.html
gerrit, 2011-07-29
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