Why Different Parts of a Coffee Mug Produce Different Pitches

 The Stanford mathematician Tadashi Tokieda demonstrates one of his physics “toys”: the curious higher and lower notes you hear when tapping a coffee mug with a spoon.

Via TMN

Comments

  1. That's also why it says, "WOIN-ya WOIN-ya WOIN-ya WOIN-ya" when you stir it.

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