Here’s a beer bottle solar-powered water heater from China -
A Chinese farmer has made his own solar-powered water heater out of beer bottles and hosepipes. Chinese farmer Ma Yanjun has made his own solar-powered water heater out of beer bottles and hosepipes /Lu Feng. “I invented this for my mother. I wanted her to shower comfortably,” says Ma Yanjun, of Qiqiao village, Shaanxi province. Ma’s invention features 66 beer bottles attached to a board. The bottles are connected to each other so that water flows through them.
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