Futurity

What is ‘acoustic cloaking’ and how does it work?

An expert in the field of cloaking explains how sound can keep things hidden and why his work matters.

A model for directing sound waves to go around, instead of colliding with, an object—effectively cloaking it from detection—could have a wide range of applications from military to medical.

Andrew Norris, a professor in the department of mechanical and aerospace engineering at Rutgers University-New Brunswick and pioneer in the field of cloaking, which can help make underwater objects appear invisible, created the model.

Here, Norris discusses his research, which could lead to improved acoustic technology, including better imaging underwater, and biomedical applications, such as enhanced imaging of tissue.

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