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A young Max Planck standing at a lectern. He is in his early to mid twenties, wearing a dark jacket that is buttoned high, a white shirt, and a black tie similar to a bow tie. Planck has thin-rimmed glasses and a substantial mustache.There is an equation written on the blackboard in the background.

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A young Max Planck standing at a lectern. He is in his early to mid twenties, wearing a dark jacket that is buttoned high, a white shirt, and a black tie similar to a bow tie. Planck has thin-rimmed glasses and a substantial mustache.There is an equation written on the blackboard in the background.
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Robert McNees (mcnees@mastodon.social)'s status on Sunday, 23-Apr-2023 15:27:45 UTC Robert McNees

Physicist Max Planck was born #OTD in 1858.
With some lucky intuition* he managed to glue together the Rayleigh-Jeans Law and Wien's Law by assuming that energy is emitted and absorbed by matter only in discrete chunks.
Planck's hypothesis averted what Ehrenfest later called the "ultraviolet catastrophe," and set physicists on the road to Quantum Mechanics.
* "Lucky intuition" was how Planck referred to it.

In conversation Sunday, 23-Apr-2023 15:27:45 UTC from mastodon.social permalink