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blog.jessriedel.com | ||
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4gravitons.com
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| | | | | Merging quantum mechanics and gravity is a famously hard physics problem. Explaining why merging quantum mechanics and gravity is hard is, in turn, a very hard science communication problem. The more popular descriptions tend to lead to misunderstandings, and I've posted many times over the years to chip away at those misunderstandings. Merging quantum mechanics... | |
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erikmcclure.com
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| | | | | Today, a friend asked me for help figuring out how to calculate the standard deviation over a discrete probability distribution. I pulled up my notes from college and was able to correctly calculate the standard deviation they had been unable to derive after hours upon hours of searching the internet and trying to piece together poor explanations from questionable sources. The crux of the problem was, as I had suspected, the astonishingly bad notation involved with this particular calculation. | |
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terrytao.wordpress.com
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| | | | | The Schrödinger equation $latex \displaystyle i \hbar \partial_t |\psi \rangle = H |\psi\rangle&fg=000000$ is the fundamental equation of motion for (non-relativistic) quantum mechanics, m... | |
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scottaaronson.blog
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| | | So I've written an article about the above questionfor PBS's website---a sort of tl;dr version of my 2005 survey paperNP-Complete Problems and Physical Reality, butupdated with new material about the simulation of quantum field theories and about AdS/CFT. Go over there, read the article (it's free), then come back here to talk about it if... | ||
