Engineers designed a new system to help cool buildings in crowded metropolitan areas without consuming electricity, an important innovation as cities work to adapt to climate change. The system consists of an inexpensive polymer/aluminum film that's installed inside a box at the bottom of a specially designed solar 'shelter.' The film helps keep its surroundings cool by absorbing heat from the air inside the box and transmitting that energy into outer space.
from Solar Energy News -- ScienceDaily https://ift.tt/2KjMzJP
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