• Focusing Sound Waves Using a Two-Dimensional Non-Linear System
    Thorsen M. Wehr and Jeffery R. Wehr
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    07 July 2014 1:25 PM |

    Sound waves can be amazingly powerful, especially when they work together. Here the authors create an “acoustic lens” that focuses sound waves on a single location. This makes the sound waves very powerful, capable of causing damage at a precise point. In the future, acoustic lenses like this could potentially be used to treat cancer by killing small tumors without surgery.

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