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Device Creates Multiple ‘Ghosts’

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SINGAPORE, Feb. 19, 2013 — An optical device that uses metamaterials and optical scattering to “engineer” multiple ghosts — the holy grail of the fields of optical illusions, electromagnetics and radar detection — offers new possibilities for cognitive deception through the control of light-matter behavior. The scientific community has long been enthralled by the thought of creating an illusion that potentially can transform an actual perception into a precontrolled one. So far, researchers experimenting with metamaterials in “ghosting” have not had much success in changing the...Read full article

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