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Acoustic lens generates bullets of sound that may lead to sonic scalpels

Caltech, sound bullet, acoustic

The ability on the part of researchers to manipulate sound waves has led to the development of critical technologies, for example, enabling ultrasonic transducers to image the interior of the human body (aka "ultrasound"). A team of researchers at the California Institute of Technology in Pasadena think they’ve found a way to make sound waves [...]

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