A device that Silences Sound without blocking airflow
Scientists created an acoustic metamaterial and noise cancellation device capable of blocking up to 94% percent of sound.
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Scientists created an acoustic metamaterial and noise cancellation device capable of blocking up to 94% percent of sound.
Amazing detailed 3D images unveil the airflow around downhill skiers.
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DARPA is creating a new aircraft with no exterior moving parts, a full-scale X-plane, that maneuvers on changes in airflow.
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