Stanford Team Invents ‘Mirror’ to Beam Heat From Buildings Into Space
PALO ALTO, Calif.—Stanford University engineers have developed a coating material that can help cool buildings, even on sunny days, by radiating heat away from the buildings and sending it into space. The heart of the invention is an ultrathin, multilayered material that acts as a passive radiator system that can lower the temperature of anything that it is placed on by up to 5°C (9°F). The researchers say they designed the material to ultimately be cost-effective for large-scale deployment on building rooftops. They think the coating might be sprayed on a more solid material to make it suitable for withstanding the elements. The study is published in the journal Nature.
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