![]() ![]() ![]() It’s the difference between saying that a certain coffee machine makes exactly one cup at a time, and saying that coffee only exists in the form of one-cup-size amounts. Planck says that light of a fixed frequency is emitted in certain energy amounts, while Einstein says that’s because light literally is discrete particles. Just take a gander at this paragraph: “Note the subtle difference between Planck’s suggestion and Einstein’s. Terry, on the other hand, studied relativity with John Wheeler at Princeton, so he can dish on quanta when he feels like it.) Sean Carroll is a magnificent writer-understandably, this book became an instant New York Times best seller. (Well, at least Barb, who is writing this review, knew nothing about quantum physics. We have to admit, we know nothing about quantum physics. Something Deeply Hidden: Quantum Worlds and the Emergence of Spacetime, by Sean Carroll. Cheery Friday Greetings to our Learning How to Learn ers! ![]()
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May 2023
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