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www.lesswrong.com
| | profmattstrassler.com
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| | Matt Strassler [April 12, 2012] It is common that, when reading about the universe or about particle physics, one will come across a phrase that somehow refers to ``matter and energy'', as though they are opposites, or partners, or two sides of a coin, or the two classes out of which everything is made. This
| | 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...
| | rjlipton.com
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| | Are quantum errors incorrigible? Discussion between Gil Kalai and Aram Harrow Gil Kalai and Aram Harrow are world experts on mathematical frameworks for quantum computation. They hold opposing opinions on whether or not quantum computers are possible. Today and in at least one succeeding post, Gil and Aram will discuss the possibility of building large-scale...
| | mappingignorance.org
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| Which dark matter particles are truly trapped by the halo's gravity, and which are only passing through? STRAWBERRY has an answer