A real invisibility cloak may still be the stuff of fantasy, but scientists have figured out a way to hide objects from touch.
Two years ago, researchers at the Karlsruhe Institute of Technology (KIT) in Germany successfully created pentamodes, or mechanical metamaterials. Now, researchers have found a fascinating property in the metamaterial: the ability to hide or "cloak" the existence of foreign objects hidden within it. It's a discovery that could lead to making everything from more comfortable camping gear to shoes that make you feel like you're walking on air.
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