Heat-rejecting film could reduce air conditioning costs
Climate change can be a vicious cycle when folks crank up the air conditioning during heat waves and add even more CO2 to the atmosphere. Scientists from MIT and the University of Hong Kong have developed a new type of window coating that could curb that trend.
from https://www.engadget.com/2018/11/12/heat-rejecting-film-reduce-air-conditioning/
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