If you’ve ever burned your hands on a car steering wheel, you know how hot the inside of a car can get on a summer day. But a new fabric could one day help cars and other objects stay cool in the summer and warm in the winter.
Researchers created a prototype of the fabric, which acts as a “thermal cloak” that keeps the space underneath it from getting too hot or too cold. The cloak, described in the July 11 Device, doesn’t require an external power source, which could reduce energy consumption associated with heating and cooling (SN: 9/28/18).
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