The first "mantle" invisibility cloak – in which a very thin "metascreen" cancels light scattering off an object, making it invisible – has been built by a team of researchers in the US. The cloak is just microns thick and can hide 3D objects from microwaves in their natural environment, in all directions and from all of the observers' positions. The team claims that its device should be easier to produce than traditional cloaks that are based on the bulk properties of the metamaterial being used.
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Ultrathin 'metascreen' forms latest invisibility cloak
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- Category: Science News Archive (2013)
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