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blog.c0nrad.io
| | ayvlasov.wordpress.com
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| | Recent debates on possibility of quantum computer provoked a specific prize. Between all, Scott Aaronson wrote: [...] whether scalable quantum computing is possible is a question about the laws of physics. It's perfectly conceivable that future developments in physics would conflict with scalable quantum computing, in the same way that relativity conflicts with faster-than-light communication,...
| | 4gravitons.com
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| | It can be tempting to imagine the world in terms of lego-like building-blocks. Atoms stick together protons, neutrons, and electrons, and protons and neutrons are made of stuck-together quarks in turn. And while atoms, despite the name, aren't indivisible, you might think that if you look small enough you'll find indivisible, unchanging pieces, the smallest...
| | gcher.com
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| | This post will be my attempt to explain intuitively what is Quantum Field Theory. This idea came to me after reading two books: "QED: The Strange Theory of Light and Matter" by Richard Feynman, and "Quantum Field Theory in a Nutshell", by A. Zee (that I only started). Both books use path integrals, but in a very different way: Feynman tells us that the particles can move anywhere they want in space and time, while Zee uses conventional 'forward in time only' paths but of a 'mattress' and not just one par...
| | jdh.hamkins.org
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| This will be a talk for the Notre Dame Logic Seminar on 6 February 2024, 2:00 pm. Abstract. The principle of covering reflection holds of a cardinal $\kappa$ if for every structure $B$ in a countab...