The great unappreciated weakness of invisibility cloaks is that they only make things invisible to human eyes. Or x-ray imagers. Or ultraviolet sensors, infrared image analyzers, echo-location audio ...

Russia has developed and deployed new camouflage technology for its troops that many have nicknamed “invisibility cloaks,” local news has reported. “This new ‘cloak-nevidimka’ is part of the Russian – ...

“In my opinion, invisibility is no longer a science fiction concept.” A B-2 stealth bomber takes off from Nellis Air Force Base in Las Vegas, Nevada. In addition to using anti-reflective paint to ...