This material could camouflage objects from infrared cameras: Made of samarium nickel oxide, the thin coating “hides temperature information of surfaces from infrared cameras,” and could therefore be used as a privacy shield, says applied physicist Mikhail Kats of the University of Wisconsin–Madison.
https://www.sciencenews.org/article/new-material-could-camouflage-objects-from-infrared-cameras/amp?__twitter_impression=true

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