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74 Physicists Generated Sound Waves That Travel In One Direction Only

Slashdot
BeauHD @ Slashdot 1 place · 10/11/2024 23:30 EDT

Physicists Generated Sound Waves That Travel In One Direction Only

An anonymous reader quotes a report from ScienceAlert: Imagine three people huddled in a circle so when one speaks, only one other hears. Scientists have created a device that works like that, ensuring sound waves ripple in one direction only. The device, developed by scientists at ETH Zurich and the Swiss Federal Institute of Technology Lausanne, is made up of a disk-shaped cavity with three equally-spaced ports that can each send or receive sound. In an inactive state, sound transmitted from port 1 is aud

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