5 ms·
Helmholtz Resonator [video]
- soupspaces 1mo agoLip sync a bit off on this one... (AI) https://news.ycombinator.com/item?id=38678415 https://news.ycombinator.com/item?id=38678415 (2023) used to reduce traffic noise https://www.ciel-libre.nnx.com/old/ukplasto.htm https://www.ciel-libre.nnx.com/old/ukplasto.htm