John Carlos Baez on Nostr: 'Blue bronze' is a crystal that can vibrate in two ways: ordinary sound waves, and ...
'Blue bronze' is a crystal that can vibrate in two ways: ordinary sound waves, and charge density waves that move faster than sound. Thanks to quantum mechanics, waves act like particles. So in blue bronze we get 'phonons' - particles of sound - but also 'phasons' moving faster than sound!
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Published at
2026-05-11 11:19:18 UTCEvent JSON
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