The Possibility Of An Invisibility Cloak
Researchers report they've created an artificial material that bends some wavelengths of light differently. If they're able to expand the work to a wider range of wavelengths, the material could provide an unprecedented level of control over the way light moves, perhaps even making a "cloak of invisibility" possible.
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Xiang Zhang, professor of mechanical engineering at the NSF Nanoscale Science and Engineering Center at the University of California, Berkeley
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