Harry Potter fans and secret agents, take note: Scientists at the University of Texas, Austin have developed an "invisibility cloak." The catch is that, for now at least, it only shields objects from microwave light.
The researchers are optimistic that they will someday be able to develop similar technology to hide an object from visible light. The cloak was able to hide a 7-inch long rod using copper tape and an extremely thin (100 micrometers) polycarbonate film.
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