Invisibility Cloaking to Shield Floating Objects from Waves
A new approach to invisibility cloaking may one day be used at sea to shield floating objects -- such as oil rigs and ships -- from rough waves. Unlike most other cloaking techniques that rely on transformation optics, this one is based on the influence of the ocean floor's topography on the various "layers" of ocean water.
"Cloaking in seas by modifying the floor may play a role in protecting near-shore or offshore structures and in creating shelter for fishermen during storms," says Alam. "In reverse, it can cause the disappearance and reappearance of surface waves in areas where sandbars or any other appreciable bottom variations exist."
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A new approach to invisibility cloaking
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