3 ms·
Apparently a vacuum or a void filled with Helium even a small one will stop sound. Probably impractical but it's an interesting idea.
by djmips 7y ago
Apparently a vacuum or a void filled with Helium even a small one will stop sound. Probably impractical but it's an interesting idea.
- toxik 7y agoI imagine the sound of a compressor would outweigh the noise :-)