themorningchew: British female student awarded top prize by Nobel winners for solar-powered fridge invention It works through evaporation and can be used to keep perishable goods such as milk and meat cool for days. Without using any power, temperatures stay at around 6C. The fridge comprises two cylinders  -  one inside the other. The inner cylinder is made from metal but the outer cylinder can be made from anything to hand, including wood and plastic.
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themorningchew:

British female student awarded top prize by Nobel winners for solar-powered fridge invention

It works through evaporation and can be used to keep perishable goods such as milk and meat cool for days. Without using any power, temperatures stay at around 6C. The fridge comprises two cylinders  -  one inside the other. The inner cylinder is made from metal but the outer cylinder can be made from anything to hand, including wood and plastic.

Fuente: Daily Mail

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