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this post was submitted on 17 Feb 2025
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TechTakes
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Big brain tech dude got yet another clueless take over at HackerNews etc? Here's the place to vent. Orange site, VC foolishness, all welcome.
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The sibling comment gives a wider perspective. I'm going to only respond narrowly on that final paragraph's original point.
String theories arise naturally from thinking about objects vibrating in spacetime. As such, they've generally been included in tests of particle physics whenever feasible. The LHC tested and (statistically) falsified some string theories. String theorists also have a sort of self-regulating ratchet which excludes unphysical theories, most recently excluding swampland theories. Most money in particle physics is going towards nuclear power, colliders like LHC or Fermilab's loops, or specialized detectors like SK (a giant tank of water) or LIGO (artfully-arranged laser beams) which mostly have to sit still and not be disturbed; in all cases, that money is going towards verification and operationalization of the Standard Model, and any non-standard theories are only coincidentally funded.
So just by double-checking the history, we see that some string theories have been falsified and that the Standard Model, not any string theory, is where most funding goes. Hossenfelder and Woit both know better, but knowing better doesn't sell books. Gutmann doesn't realize, I think.
Never got too deep into Hossenfelder, but I gradually got the impression that Woit was taking a bit of an online-influencer tack, even starting before influencers were really a thing. The whole "not even wrong" flap seemed to draw in people who wanted to have strong opinions about high-energy physics and string theory without really studying them in any detail.
Thank you!