Author Topic: sound cancelling not using electronics  (Read 8 times)

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Offline CG

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sound cancelling not using electronics
« on: November 25, 2021, 06:48:19 pm »
Interesting Engineering: A New Material Can Block Out 94% of Noise. Even in a Jet Engine.
https://interestingengineering.com/new-material-can-block-out-94-of-noise-even-in-a-jet-engine

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