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1st March 2009

Link reblogged from Proxy Glider with 1 note

Almost Free Heat! →

proxyglider:

A soda can solar panel

This is an impressive use of soda cans to create a DIY solar panel to create nearly limitless heat for an enclosed building (as long as the sun is up).

It only takes an estimated 50 soda cans to heat a 1000 square foot building!

  1. greenmachine02 reblogged this from proxyglider
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