In my opinion, invisibility is no longer a science fiction concept.” A B-2 stealth bomber takes off from Nellis Air Force ...
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 ...
Imagine: You’re the proud owner of an invisibility cloak. What do you do? Do you sneak into concerts and make your way on stage? Spy on your friends to find out what they say about you when you’re not ...
Heat has always been the hardest part of the spectrum to hide, yet a new experiment that boosts thermal scattering by a factor of nine suggests engineers are finally learning to sculpt it with the ...
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