Scientists Develop Thermal Camouflage That Can Dupe Infrared Cameras (cosmosmagazine.com)

Writing in the journal Nano Letters, scientists from Turkey, the U.S. and U.K. describe a material that acts as thermal camouflage. Cosmos reports: Coskun Kocabas and colleagues created a film comprising multiple ultra-thin layers of graphene and a bottom layer of gold, with non-volatile ionic liquid in between them. When a small current is applied, the ions move up into the graphene layer, cutting down the infrared radiation the surface would normally emit. Because it’s thin, light and flexible the film can be applied to any number of surfaces, including clothing. Tests have successfully camouflaged a hand owned by a subject wearing a covering of the material, and others have shown it to be indistinguishable from its surroundings in a variety of ambient temperatures.

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