Groups > sci.physics.relativity > #595247

Re: Proper time and relativity

From	The Starmaker <starmaker@ix.netcom.com>
Newsgroups	sci.physics.relativity
Subject	Re: Proper time and relativity
Date	2022-11-12 10:26 -0800
Organization	The Starmaker Organization
Message-ID	<636FE546.35E6@ix.netcom.com> (permalink)
References	<D0oArXlGADk_mv6eiLyfZ4Ncwn4@jntp>

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Richard Hachel wrote:
> 
> Hachel's principle.
> 
> "If two relativistic mobiles travel, in equal observable times, identical
> paths, their proper times will remain equal."
> 
> It's a very simple sentence that I think is quite correct.
> 
> Yet this principle deeply shocks all relativist physicists in the world.
> 
> R.H.

There is only one proper time, ...

de other guys watch don't count.


If you're wearing two watches, which one has the correct time?


-- 
The Starmaker -- To question the unquestionable, ask the unaskable,
 to think the unthinkable, mention the unmentionable, say the unsayable, and challenge
 the unchallengeable.

Thread

Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-12 09:42 +0000
  Re: Proper time and relativity Athel Cornish-Bowden <acornish@imm.cnrs.fr> - 2022-11-12 11:19 +0100
    Re: Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-12 10:24 +0000
      Re: Proper time and relativity Athel Cornish-Bowden <acornish@imm.cnrs.fr> - 2022-11-12 13:28 +0100
    Re: Proper time and relativity Maciej Wozniak <maluwozniak@gmail.com> - 2022-11-12 03:13 -0800
  Re: Proper time and relativity The Starmaker <starmaker@ix.netcom.com> - 2022-11-12 10:26 -0800
    Re: Proper time and relativity "mitchr...@gmail.com" <mitchrae3323@gmail.com> - 2022-11-12 10:53 -0800
    Re: Proper time and relativity The Starmaker <starmaker@ix.netcom.com> - 2022-11-12 12:09 -0800
      Re: Proper time and relativity Erasmo Sparacello <aale@lrclcoaa.sa> - 2022-11-12 20:58 +0000
      Re: Proper time and relativity whodat <whodaat@void.nowgre.com> - 2022-11-12 15:32 -0600
  Re: Proper time and relativity JanPB <filmart@gmail.com> - 2022-11-12 15:10 -0800
    Re: Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-12 23:42 +0000
      Re: Proper time and relativity Mikko <mikko.levanto@iki.fi> - 2022-11-13 12:49 +0200
        Re: Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-13 12:34 +0000
          Re: Proper time and relativity Volney <volney@invalid.invalid> - 2022-11-13 11:38 -0500
            Re: Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-13 16:51 +0000
              Re: Proper time and relativity Volney <volney@invalid.invalid> - 2022-11-13 11:57 -0500
                Re: Proper time and relativity Maciej Wozniak <maluwozniak@gmail.com> - 2022-11-13 08:58 -0800
                Re: Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-13 17:13 +0000
                Re: Proper time and relativity JanPB <filmart@gmail.com> - 2022-11-13 13:05 -0800
                Re: Proper time and relativity Volney <volney@invalid.invalid> - 2022-11-14 00:29 -0500
                Re: Proper time and relativity Maciej Wozniak <maluwozniak@gmail.com> - 2022-11-13 23:33 -0800
                Re: Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-14 14:13 +0000
                Re: Proper time and relativity Maciej Wozniak <maluwozniak@gmail.com> - 2022-11-14 06:34 -0800
                Re: Proper time and relativity Stan Fultoni <fultonistan@gmail.com> - 2022-11-14 12:16 -0800
                Re: Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-14 20:29 +0000
                Re: Proper time and relativity Stan Fultoni <fultonistan@gmail.com> - 2022-11-14 15:54 -0800
                Re: Proper time and relativity Python <python@invalid.org> - 2022-11-15 07:19 +0100
                Re: Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-15 12:35 +0000
                Re: Proper time and relativity Stan Fultoni <fultonistan@gmail.com> - 2022-11-15 06:18 -0800
                Re: Proper time and relativity Maciej Wozniak <maluwozniak@gmail.com> - 2022-11-15 07:57 -0800
                Re: Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-15 17:30 +0000
                Re: Proper time and relativity Stan Fultoni <fultonistan@gmail.com> - 2022-11-15 11:47 -0800
                Re: Proper time and relativity Mikko <mikko.levanto@iki.fi> - 2022-11-15 13:30 +0200
                Re: Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-15 12:55 +0000
                Re: Proper time and relativity Mikko <mikko.levanto@iki.fi> - 2022-11-15 17:44 +0200
                Re: Proper time and relativity Volney <volney@invalid.invalid> - 2022-11-16 02:12 -0500
          Re: Proper time and relativity Mikko <mikko.levanto@iki.fi> - 2022-11-14 13:13 +0200
            Re: Proper time and relativity Maciej Wozniak <maluwozniak@gmail.com> - 2022-11-14 03:16 -0800
        Re: Proper time and relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2022-11-13 14:48 +0100
  Re: Proper time and relativity Tom Roberts <tjoberts137@sbcglobal.net> - 2022-11-12 23:05 -0600
    Re: Proper time and relativity Maciej Wozniak <maluwozniak@gmail.com> - 2022-11-13 00:11 -0800
    Re: Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-13 12:09 +0000
      Re: Proper time and relativity The Starmaker <starmaker@ix.netcom.com> - 2022-11-13 10:38 -0800
      Re: Proper time and relativity JanPB <filmart@gmail.com> - 2022-11-13 13:03 -0800
    Re: Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-13 12:13 +0000
  Re: Proper time and relativity "Paul B. Andersen" <paul.b.andersen@paulba.no> - 2022-11-13 09:45 +0100
    Re: Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-13 12:26 +0000
      Re: Proper time and relativity "Paul B. Andersen" <paul.b.andersen@paulba.no> - 2022-11-13 21:55 +0100
        Re: Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-14 00:59 +0000
          Re: Proper time and relativity "Paul B. Andersen" <paul.b.andersen@paulba.no> - 2022-11-14 13:29 +0100
            Re: Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-14 14:21 +0000
              Re: Proper time and relativity "Paul B. Andersen" <paul.b.andersen@paulba.no> - 2022-11-15 10:26 +0100
  Re: Proper time and relativity nospam@de-ster.demon.nl (J. J. Lodder) - 2022-11-14 10:47 +0100
    Re: Proper time and relativity Richard Hachel <r.hachel@frite.fr> - 2022-11-14 14:16 +0000
      Re: Proper time and relativity JanPB <filmart@gmail.com> - 2022-11-14 15:19 -0800
        Re: Proper time and relativity Maciej Wozniak <maluwozniak@gmail.com> - 2022-11-14 22:28 -0800

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