Classical Physics
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The development of quantum mechanics in the 1920s motivated physicists to tackle all the unsolved problems of physics with the new methods and see if they worked (they mostly did). But what was the evidence for any of this new way of thinking?
The evidence that was persuasive at the time was a number of rather abstract physics experiments concerning the nature of atomic spectra or the interaction between light and metal surfaces. Each was important in its own way, but what ought to have played
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― Magnetism: A Very Short Introduction
― Magnetism: A Very Short Introduction
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[Q]uantum physics is not replaced by another sort of physics at large scales. It actually gives rise to classical physics. Our everyday, commonsense reality is, in this view, simply what quantum mechanics looks like when you’re six feet tall.
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― Beyond Weird
― Beyond Weird










