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Invisibility Cloak Made From Silk
Aug. 11, 2010 - For the first time ever, scientists have created an invisibility cloak made from silk, and coated in gold. The new metamaterial, as invisibility cloaks and their kin are technically called, only works on relatively long terahertz waves (a region of the electromagnetic spectrum between radio and infrared light), but the Boston-area scientists who developed the technology think that silk could work as an invisibility cloak at much smaller wavelengths, even in the visible range. Read More
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