I'd like to make some halloween decoarations for the front of my house this year, but i don't want the regular "happy pumpkin" stuff you buy at walmart or whatever, and i'd like to make it myself.
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 – ...
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