3D metamaterial blocks sound, improves quietness

elespanol.com (Spanish)

A new 3D-printed metamaterial effectively blocks a wide range of unwanted sounds without impeding airflow. This "sound shield" technology, developed at Boston University, functions similarly to noise-canceling headphones, offering a practical solution for noise pollution in various environments. The innovation aims to create quieter spaces, addressing health concerns associated with chronic noise exposure, and is being optimized for scalable manufacturing.


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3D metamaterial blocks sound, improves quietness | News Minimalist