New cloaking method

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These images are from an animated computer simulation of a method–developed by University of Utah mathematicians–for cloaking objects from waves of all sorts. The top three images show a wave front passing a kite-shaped object in the middle and hitting the object as it does. In the bottom three images, the kite-shaped object is surrounded by three cloaking devices and the waves they emit, so when the wave front passes, it moves by the object without touching it. While the new method is unlikely to lead to invisibility cloaking like that in the movies or on television, it may eventually help shield submarines from sonar, planes from radar, and buildings from seismic waves, and oil rigs and coastal structures from tsunamis.

Image credit: Fernando Guevara Vasquez, Graeme W. Milton, Daniel Onofrei, Math Department, University of Utah

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