South African designer and social entrepreneur Michael Suttner recently unveiled the Lightie: a portable solar-powered light that fits into a standard soda bottle. The low cost and durable device is ...
October 9, 2011 Add as a preferred source on Google Add as a preferred source on Google The video above shows how a man in an impoverished urban area in the Philippines created a solar light to ...
Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. In 1880, Thomas Edison patented a lightbulb made from a glass tube ...
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