World’s first 3-D acoustic cloaking device hides objects from sound

(Phys.org) —Using little more than a few perforated sheets of plastic and a staggering amount of number crunching, Duke engineers have demonstrated the world’s first three-dimensional acoustic cloak. The new device reroutes sound waves to create the impression that both the cloak and anything beneath it are not there.

from Phys.org: Physics News http://ift.tt/1g6cAlJ

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