Ultrathin "stealth sheet" can hide and fake heat signatures

Metamaterials that cloak people and objects from radar, visible light or infrared are usually thick and heavy, but now engineers at the University of Wisconsin-Madison have developed an ultrathin, lightweight sheet that absorbs heat signatures and can even present false ones... Continue Reading Ultrathin "stealth sheet" can hide and fake heat signatures Category: Materials Tags: Cloaking Infrared Light Materials Metamaterials Nanowires Silicon University of Wisconsin Related Articles: Morphing metamaterial models take origami to a whole new level Energy-efficient window tinting goes dark at the flick of a switch "Smart Band-Aid" flexes, delivers medicine and more Carbon nanotubes make water freeze solid at boiling temperatures Plastic cloth makes for cooler clothing Nanoparticles turn a clear window into a mirror and back again