Airflow

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Breakthrough Research Yields Revolutionary Metamaterial that Muffles Sounds with Exceptional Efficacy: Scientists Discover New Material that Suppresses Noise at 547 Hertz, Maintains 90% Air-Penetrability while Boasting Unparalleled Acoustic Cancelling Capabilities, Exceeding Industry Standards by Canceling Out a Staggering 80 Percent of All Sounds in the Designated Frequency Range.