There is a solar fad raging like fire across the United States and beer cans are the main component. Washed and black-painted beer cans are being assembled together to create solar home heaters. This video shows a personal solar home heater created from a bunch of beer cans, wood and some foil-backed sticky tape. I would setttle for mirror heating myself, but beer or soda cans that can produce up to 175degree temperatures is certainly a fun alternative.
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