Proof that everything sounds better with the word "quantum" in front.https://cloudblogs.microsoft.com/quantum/2019/02/28/announcing-the-microsoft-quantum-network/ …
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I suppose that's not so surprising, given that we have an extraordinarily beautiful (but ultimately wrong) approximation to the world in classical mechanics, and another extraordinarily beautiful (and maybe correct?) theory of the world in quantum mechanics.
To the extent the approximation is a good one, I guess it's not so surprising that the deep objects in one theory might sometimes have some interesting and rich correspondence to deep objects in the other.
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Yes, I agree it's a big mystery why classical and quantum mechanics should be so tightly and beautifully entwined, if QM is "true" and CM is "just an approximation". That's something I've been working on lately: http://math.ucr.edu/home/baez/gq/ pic.twitter.com/xd2bR39Sg5
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Instead of trying to understand the connection of QM and CM philosophically, which is too hard for me, I've been following the mathematical clues. It turns out most of the basic theorems of algebraic geometry can be reinterpreted as theorems about this connection!
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