Physics Archives

We curate historical documents, notable facts, and photos from the history of physics. Shared for educational purposes. ⓒ held by the mentioned Owners/Archives.

[Physics Archives @PhysicsArchives]

In the opening lecture of 𝘛𝘩𝘦 𝘍𝘦𝘺𝘯𝘮𝘢𝘯 𝘓𝘦𝘤𝘵𝘶𝘳𝘦𝘴 𝘰𝘯 𝘗𝘩𝘺𝘴𝘪𝘤𝘴, delivered at 𝘊𝘢𝘭𝘵𝘦𝘤𝘩 during the 1961–62 academic year, Richard Feynman posed a striking question to his introductory physics students. He asked what single sentence would preserve the greatest amount of scientific knowledge if all learning were destroyed and only one statement could be passed on to future generations.

Feynman’s answer was what he called the atomic hypothesis:

“𝘈𝘭𝘭 𝘵𝘩𝘪𝘯𝘨𝘴 𝘢𝘳𝘦 𝘮𝘢𝘥𝘦 𝘰𝘧 𝘢𝘵𝘰𝘮𝘴—𝘭𝘪𝘵𝘵𝘭𝘦 𝘱𝘢𝘳𝘵𝘪𝘤𝘭𝘦𝘴 𝘵𝘩𝘢𝘵 𝘮𝘰𝘷𝘦 𝘢𝘳𝘰𝘶𝘯𝘥 𝘪𝘯 𝘱𝘦𝘳𝘱𝘦𝘵𝘶𝘢𝘭 𝘮𝘰𝘵𝘪𝘰𝘯, 𝘢𝘵𝘵𝘳𝘢𝘤𝘵𝘪𝘯𝘨 𝘦𝘢𝘤𝘩 𝘰𝘵𝘩𝘦𝘳 𝘸𝘩𝘦𝘯 𝘵𝘩𝘦𝘺 𝘢𝘳𝘦 𝘢 𝘭𝘪𝘵𝘵𝘭𝘦 𝘥𝘪𝘴𝘵𝘢𝘯𝘤𝘦 𝘢𝘱𝘢𝘳𝘵, 𝘣𝘶𝘵 𝘳𝘦𝘱𝘦𝘭𝘭𝘪𝘯𝘨 𝘶𝘱𝘰𝘯 𝘣𝘦𝘪𝘯𝘨 𝘴𝘲𝘶𝘦𝘦𝘻𝘦𝘥 𝘪𝘯𝘵𝘰 𝘰𝘯𝘦 𝘢𝘯𝘰𝘵𝘩𝘦𝘳.”

With this single sentence, Feynman distilled the essence of modern science, showing how the vast complexity of nature emerges from the motion and interaction of atoms governed by simple physical laws.

(📸: @Caltech Archives Image)

[Physics Archives @PhysicsArchives]

Today, the development of matrix mechanics is widely regarded as one of the greatest collective intellectual achievements in the history of modern science.

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[Physics Archives @PhysicsArchives]

In the history of quantum mechanics, Werner Heisenberg is often celebrated as the creator of matrix mechanics — but the full story was far richer and more collaborative.

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[Physics Archives @PhysicsArchives]

Pascual Jordan, however, never received a Nobel Prize — something historians often link, at least partly, to the damage his political affiliations during the Nazi era caused to his later scientific reputation.

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[Physics Archives @PhysicsArchives]

[𝘗𝘩𝘰𝘵𝘰: 𝘞𝘦𝘳𝘯𝘦𝘳 𝘏𝘦𝘪𝘴𝘦𝘯𝘣𝘦𝘳𝘨 𝘢𝘯𝘥 𝘔𝘢𝘹 𝘉𝘰𝘳𝘯, 1959. 𝘊𝘳𝘦𝘥𝘪𝘵: 𝘞𝘪𝘭𝘭𝘺 𝘗𝘳𝘢𝘨𝘩𝘦𝘳 / 𝘓𝘢𝘯𝘥𝘦𝘴𝘢𝘳𝘤𝘩𝘪𝘷 𝘉𝘢𝘥𝘦𝘯-𝘞ü𝘳𝘵𝘵𝘦𝘮𝘣𝘦𝘳𝘨, 𝘚𝘵𝘢𝘢𝘵𝘴𝘢𝘳𝘤𝘩𝘪𝘷 𝘍𝘳𝘦𝘪𝘣𝘶𝘳𝘨 (𝘊𝘊 𝘉𝘠 3.0 𝘋𝘌)]