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Neat News 2023-153 (added 2023-06-02)

Noise cancellation by plasma

© Marekich [CC BY-SA 3.0]

It has long been known that electric wires can be used to ionize air to form a loudspeaker. Now the same effect has been used for noise cancellation. This has potential application of a highly-efficient thin-layered noise reduction tool. related: #noise #cancellation #plasma

News seen at: ScienceDaily - Living Well

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