Featured image of Boston Engineers 3D Print Open Noise-Cancelling Metamaterials
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SILENCE!

Boston Engineers 3D Print Open Noise-Cancelling Metamaterials

Picture ofHanna Watkin
by Hanna Watkin
Published Mar 12, 2019

Boston University engineers used mathematics to design and 3D print an "acoustic metamaterial". The noise-canceling plastic structure blocks 94% of sounds without completely obstructing airflow, possibly paving the way to silent quadcopters and drones.

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