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A comment on A bell that rings two notes at once [video].

Re:A bell that rings two notes at once [video] by analog31 on Saturday July 15, 2023 @10:42AM (#36737221)
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.
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Re:A bell that rings two notes at once [video] by leipert on Saturday July 15, 2023 @02:01PM (#36739415)
Yes. Numberphile had a video on this: https://youtu.be/MfzNJE4CK_s
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