‘Meta-mirror’ reflects sound waves in any direction

Friday, March 8, 2019 - 15:50 in Physics & Chemistry

Researchers at Duke University and Aalto University (Finland) have constructed a “meta-mirror” device capable of perfectly reflecting sound waves in any direction. The proof-of-principle demonstration is analogous to looking directly into a mirror and only seeing the person next to you instead of your own face. The research appeared online on February 15 in the […]

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