4 ms·
A coffee cup rings two notes at once too. Go around the edge, tapping with a pencil, to find the two modes. Now tap on the back and side of the handle.
by analog31 3y ago
A coffee cup rings two notes at once too. Go around the edge, tapping with a pencil, to find the two modes. Now tap on the back and side of the handle.
- leipert 3y agoYes. Numberphile had a video on this: https://youtu.be/MfzNJE4CK_s https://youtu.be/MfzNJE4CK_s