February 25, 2013

Ghost Illusions Hide Objects in Plain Sight

Charles Choi, Live Science

AP Photo

Ghostly illusions could one day help disguise military aircraft for greater stealth, researchers say.

In the last eight years or so, scientists have discovered cloaking devices are possible, which can bend and twist light completely around objects, rendering them invisible. Cloaking devices that work against other kinds of waves are possible as well, such as the acoustic waves used in sonar.

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TAGGED: Cloaking, Metamaterials