Acoustic Cloak Prototype (IMAGE)

University of Illinois at Urbana-Champaign, News Bureau

Acoustic Cloak Prototype

Caption

Illinois researchers designed a two-dimensional cylindrical cloak made of 16 concentric rings of acoustic circuits structured to guide sound waves. Each ring has a different index of refraction, meaning that sound waves vary their speed from the outer rings to the inner ones.

Credit

L. Brian Stauffer

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