An old toy has inspired a powerful new weapon that could destroy submarines or annihilate tumors. Using a modified version of Newton's cradle, a series of stainless steel balls suspended by fishing ...
Acoustic lenses are employed in a variety of applications, from biomedical imaging and surgery to defense systems and damage detection in materials. Focused acoustic signals, for example, enable ...
PASADENA, Calif.—Taking inspiration from a popular executive toy ("Newton's cradle"), researchers at the California Institute of Technology (Caltech) have built a device—called a nonlinear acoustic ...
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