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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