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wedrifid comments on Open Thread June 2010, Part 4 - Less Wrong
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I'm intrigued by the notion and would like to hear more from someone who can tell me whether I can take this seriously. That 'approximately accounting for' part scares me. Is that just word chioce that makes it sound scary? Or perhaps an approximation in the way that Newtonian physics is an approximation? Or maybe it is only an approximation is as much as it suffers the same problem all our theories do of being unable to unify all of our physics at once... I'd need someone several levels ahead of me to figure that out.
It's definitely better of an approximation than Newtonian physics. This paper might help, as it derives the GEM equations from GR and specifically states what simplifying assumptions it uses, which look to be basically "for greater-than-subatomic distances". And that's exactly where you care about gravity anyway. (At subatomic distances, the other three forces dominate.)