Comments by "David Terr" (@dcterr1) on "Untangling String Theory | Answers With Joe" video.
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I started graduate school in physics in 1985, right around the time of the first string theory revolution. Naturally I was very excited about it, particularly all the hoopla of how it could be the Holy Grail of physics, namely the Theory of Everything. However, I quickly learned that the math behind it was impossible. Moreover, as it turned out, it wasn't at all the Theory of Everything that it promised to be - more like a Theory of Nothing! As of 2021, string theory has yet to make a single testable prediction, so one could make a good case that it isn't really science, or in Lee Smolin's words, "not even wrong!". I'll become much more excited about string theory once someone performs an experiment which confirms one of its predictions, but until then, I'll continue to dismiss it as theology and occupy my time with more useful stuff.
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