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Scoop.it!
Researchers in the US have, for the first time, cloaked a three-dimensional object standing in free space, bringing the much-talked-about invisibility cloak one step closer to reality. 
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Scoop.it!
The science of stealth has long been a matter of fading into already obscure environments—the night sky, say, or the deep sea. But engineers are now developing materials that could hide anything in plain sight. Instead of bending light inward, like water and glass do, these optical metamaterials bend it outward, guiding photons around an object like river water around a stone.
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