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. Read the full Q&A here: https://www.quantamagazine.org/tadashi-tokieda-collects-math-and-physics-surprises-20181127/Constanza Hevia H. for Quanta Magazinehttps://www.quantamagazine.org/Facebook: https://www.facebook.com/QuantaNewsTwitter: https://twitter.com/QuantaMagazineSign up for our weekly newsletter: http://eepurl.com/6FnWj