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Scientists Unveil Invisibility Cloak

After years of less successful attempts, scientists at Duke University have created a perfect "invisibility cloak"—but it's not quite as good as the one a certain boy wizard led us to expect. 

Researchers managed to shuttle light around an object so precisely that there are no reflections by using a diamond-shaped cloaking region. Of course, there's a catch: Namely, it only works in one direction. "It's like the card people in Alice in Wonderland," a researcher explained. "If they turn on their sides, you can't see them, but they're obviously visible if you look from the other direction."

Source: Slate. Read full article. (link)

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