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New cloaking method


Computer simulation showing new method for cloaking objects from different types of waves

These images are from an animated computer simulation of a new 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.

Cloaking involves making an object partly or completely invisible to incoming waves such as sound waves, sea waves or seismic waves, but usually electromagnetic waves such as visible light, microwave, infrared light or radio and TV waves. 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. The research was funded by the National Science Foundation and the University of Utah.

To learn more, see the Utah News Story A new cloaking method. (Date of Image: July 2009)

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