This is a news story, published by BGR, that relates primarily to ETH Zurich news.
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sound wave directorBGR
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79% Informative
Scientists at ETH Zurich and the Swiss Federal Institute of Technology Lausanne have developed a device that directs sound waves in one direction without wasting energy.
The new device uses self-sustaining oscillations to maintain and even increase the sound waves’ energy so they don’t die out before reaching their destination.
The technology driving the sound wave director could have several applications in new types of noise suppression, communications, and even radar systems.
The researchers believe it could even lead to the development of new metamaterials that allow us to manipulate electromagnetic waves.
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