Comment on An “acoustic metamaterial” that can cancel 94 percent of soundparentComments−intertextuality7yYes, I apologize. I wrote 100hz but I meant 20hz, which is 56.5 ft. [0][0] https://www.jdbsound.com/art/frequency%20wave%20length%20cha...
Comments
Yes, I apologize. I wrote 100hz but I meant 20hz, which is 56.5 ft. [0]
[0] https://www.jdbsound.com/art/frequency%20wave%20length%20cha...