Rectangular and cylindrical PGUOM structures (IMAGE)

Boston University

Rectangular and cylindrical PGUOM structures

Caption

Boston University’s customized ventilated Phase Gradient Ultra-Open Metamaterial (PGUOM) achieves broadband acoustic silencing while preserving airflow—reaching up to 70% openness. Photo courtesy of Zhiwei Yang and Xin Zhang.

Credit

Photo courtesy of Zhiwei Yang and Xin Zhang.

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