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savagephysics.wordpress.com | ||
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profmattstrassler.com
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| | | | | One of the most prominent theoretical physicists of our time, Professor Joe Polchinski of the University of Santa Barbara, who has made lasting contributions to our understanding of quantum field theory, of gravity, and of string theory, gave a couple of talks at the Institute for Advanced Study in Princeton this week. The two presentations... | |
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diffxweyl.wordpress.com
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| | | | | Gravity has often been called a gauge theory of the Poincaré or Lorentz group. Here, I develop general relativity in direct analogy to Yang-Mills theory, avoiding geometry entirely1. None of this is original, but I have tried to simplify the presentation compared to the literature, where the similarities and differences between the two theories are... | |
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jkmsmkj.fyi
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| | | | | 4gravitons has proposed a challenge: To explain scientific papers appearing on arXiv on a given day in a given (sub)field to a general audience. The challenge is directed towards fellow science communicators so that definitely excludes me. But one of my old year thoughts (turned to a new year resolution) for this blog was to... | |
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theconversation.com
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| | | The newly-discovered penguin species went extinct when the ice age hit, but researchers don't think the cold was to blame for their demise. | ||
