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Home heating with beer cans

Back in the late 1970s, Bill Tolle of Woodlawn, Ohio figured out a way to use empty beer cans to heat his home in the winter. Basically he made a solar heater, with the empty cans trapping the sun's heat. But the beer can angle perked the media's interest.

Posted By: Alex | Date: Fri Aug 22, 2014 | Number of Comments: 3 (view)
Category: Engineering and Construction, Inventions, 1970's
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