3 ms·
More about the metamaterials and sound lens tech here: https://phys.org/news/2019-05-academics-spotlight-lego-like-bricks.html https://phys.org/news/2019-05-aca
by ctack 7y ago
More about the metamaterials and sound lens tech here: https://phys.org/news/2019-05-academics-spotlight-lego-like-bricks.html https://phys.org/news/2019-05-academics-spotlight-lego-like-...