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Researchers Create an Ultrathin Invisibility Cloak

Until now, the invisibility cloaks put forward by scientists have been bulky devices — an obvious flaw for those interested in Harry Potter-style applications. However, researchers at The University of Texas at Austin have developed a cloak that is just micrometers thick and can hide three-dimensional objects from microwaves in their natural environment, in all directions and from all of the observers’ positions.