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Contact: Ken Kingery
ken.kingery@duke.edu
919-660-8414
Duke University

Top Incidence Plane

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Caption: This video demonstrates the difference in how sound waves act with and without the acoustic cloak in their path. The red and blue lines represent the high and low points of the sound waves. As they return to the top of the frame, notice how the profile of the sound waves on the left with nothing in their way closely matches the profile on the right after interacting with the acoustic cloak. In contrast, the center trial shows the deformation of sound waves that occurs with an uncloaked sphere in their path.

Credit: Duke University

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Related news release: Acoustic cloaking device hides objects from sound


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