10/28/2026
A 3D thermal cloak that hides objects from infrared cameras?
Grainger engineers have developed a 3D thermal cloak that guides heat around an object, concealing its thermal signature while protecting it from extreme temperatures. Made with 3D-printed aluminum and a rubber-like material, the cloak works from essentially any direction.
The research could open new possibilities for protecting sensitive electronics, managing heat in microchips and shielding equipment in harsh environments.
The research was conducted by Illinois civil and environmental engineering professor Shelly Zhang in collaboration with professor Ole Sigmund of the Technical University of Denmark. Their findings were published in Nature Communications.
Watch to explore the science behind making heat take a detour.