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From: ram@zedat.fu-berlin.de (Stefan Ram)
Newsgroups: sci.physics.relativity
Subject: Re: =?UTF-8?Q?Re=3A_Le_pi=C3=A8ge_parfait_=28the_perfect_trap=29?=
Date: 18 Jul 2024 19:02:57 GMT
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"Paul.B.Andersen" <relativity@paulba.no> wrote or quoted:
>Both SR and GR "covers accelerated frames of reference".

  In special relativity, one can still talk about the proper time
  length of a section of an accelerated dude's world line from the
  perspective of a non-accelerated guy. But one can't describe the
  x-t coordinate system that the accelerated dude is using, because
  for him to be at rest, he's got to assume there's a gravitational
  field to explain why he feels like he's accelerating. A Lorentz
  transformation (a "boost") isn't enough to get one to that x-t
  coordinate system of the accelerated guy starting from the x-t
  coordinate system of some non-accelerated dude.