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Invisible Drones Could Become Reality with New Meta Material
Defense Update: Electrical engineers at the University of California in San Diego have created a new design for a cloaking device, using an ultra-thin Teflon substrate, studded with cylinders of ceramic, that can ‘bend’ light weaves around objects coated with it, creating a cloak. The Teflon has a low refractive index, while the ceramic’s refractive index is higher, a combination which allows light to be dispersed through the sheet without any absorption.
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