SciTechDaily: How to Cloak an Object to Become Invisible to a Thermal Camera. [1]https://scitechdaily.com/how-to-cloak-an-object-to-become-invisible-to-a-ther mal-camera/ References 1. https://scitechdaily.com/how-to-cloak-an-object-to-become-invisible-to-a-thermal-camera/