Labyrinthine metamaterials capable of absorbing sound waves: this is the invention by six students at the Alta Scuola Politecnica, an international programme reserved for the best students from the Politecnico di Milano and the Politecnico di Torino.

It consists of panels capable of absorbing sound due to a particular labyrinthine geometric shape, which makes the sound wave reflect multiple times, attenuating it until it disappears: a new technology which can be applied to a wide range of sectors, from construction to automobiles to domestic environments.

The six students who created the panel are Leonardo Bettini, Venus Hasanuzzaman Kamrul, Emanuele Musso, Fabio Nistri, Davide Piciucco, and Matteo Zemello.

https://www.polimi.it/en/news-details/article/10/un-labirinto-che-imprigiona-il-rumore-9979/

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