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whowhowho comments on Welcome to Less Wrong! (5th thread, March 2013) - Less Wrong
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If you learned quantum mechanics from that book, you may have seriously mislearned it. It's actually pretty decent describing everything up to but excluding quantum physics. When it comes to QM, however, the author sacrifices useful understanding in favor of mysticism.
Hrm? On a conceptual level, is there more to QM than the Uncertainty Principle and Wave-Particle Duality? DWLM mentions the competing interpretations, but choosing an interpretation is not strictly necessary to understand QM predictions.
For clarity, I consider the double-slit experimental results to be an expression of wave-particle duality.
I will admit that DWLM does a poor job of preventing billiard-ball QM theory ("Of course you can't tell momentum and velocity at the same time. The only way to check is to hit the particle with a proton, and that's going to change the results.").
That's a wrong understanding, but a less wrong understanding than "It's classical physics all the way down."