Featured image of Boston Engineers 3D Print Open Noise-Cancelling Metamaterials
This article is free for you and free from outside influence. To keep things this way, we finance it through advertising and shopping links. If you purchase using a shopping link, we may earn a commission. Learn more
SILENCE!

Boston Engineers 3D Print Open Noise-Cancelling Metamaterials

Picture of Hanna Watkin
by Hanna Watkin
Published Mar 12, 2019
Advertisement

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.