Taking inspiration from a popular executive toy ("Newton's cradle"), researchers have built a device -- called a nonlinear acoustic lens -- that produces highly focused, high-amplitude acoustic ...

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 ...