An innovative squid-inspired material can stretch to regulate heat by trapping and releasing it as needed.
Developed by a team from the University of Irvine, the material was inspired by the cephalopod’s ability to camouflage itself—which is due in part to small sacs of pigment in the skin that shift from a small point to a flattened disc. The material created by the team mimics this design with a layer of tiny metal islands that bunch together in the relaxed state, trapping heat like a Mylar blanket. When the material is stretched, however, the metal islands spread apart to allow heat to escape.
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