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In general, physics seems to consider elementary particles such as electrons to be point-like. On the other hand, naked singularities seem to cause all sorts of trouble, including closed time-like curves, and are generally considered to be non-physical.

What is the exact difference between a point-like particle (eg electron as we know it) and a naked singularity (eg black hole electron), and why exactly considering a particle point-like is ok, while considering it to be superextremal black hole is not?

tuomas
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    See https://physics.stackexchange.com/q/165823/133418 and https://physics.stackexchange.com/q/75911/133418 – Avantgarde May 03 '19 at 21:56
  • Your question apparently assumes that a singularity is a point in space, but it is not. – safesphere May 04 '19 at 03:33
  • I checked the questions linked above, and while relevant and interesting, they do not seem to explain why point particles do not have the same non-physicality issues as superextremal black holes. I am not sure how to address this in the question more precisely... – tuomas May 04 '19 at 05:24
  • With naked singularities you loose predictability. No such problem with point particles. – MBN May 04 '19 at 10:22

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