quinta-feira, 4 de dezembro de 2014

New material uses the cold darkness of the Universe to cool your house

Engineers from Stanford University in the US have created a material that keeps your house cool by beaming heat back into the “cold darkness of the Universe”.
The material reflects sunlight, just like a regular mirror, but most importantly, it also beams heat from inside a building straight into outer space. This means that it lowers the temperature of anything that’s it’s placed on by up to five degrees, even if it’s sitting in direct sunlight - and all without electricity. Read more.

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