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Groups > sci.physics.relativity > #414787

Re: Twin paradox

Message-ID <58E081C5.37CA@ix.netcom.com> (permalink)
Date 2017-04-01 20:44 -0800
From The Starmaker <starmaker@ix.netcom.com>
Newsgroups sci.physics.relativity
Subject Re: Twin paradox
References (2 earlier) <5sOdnUnPi6z8QUDFnZ2dnUU7_8xg4p2d@giganews.com> <675f7919-686e-45c3-8ce4-d3d6332b02b6@googlegroups.com> <g4OdnVFhKcszjkLFnZ2dnUU7_8zNnZ2d@giganews.com> <433427ff-c5d4-4ed9-abd7-0257e1a3a31e@googlegroups.com> <doKdndbX34ZHW0LFnZ2dnUU7_83NnZ2d@giganews.com>

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Tom Roberts wrote:
> 
> On 4/1/17 4/1/17   3:41 AM, Deon Joubert wrote:
> > On Saturday, April 1, 2017 at 4:43:01 AM UTC+2, tjrob137 wrote:
> >> On 3/31/17 3/31/17   2:33 AM, Deon Joubert wrote:
> >>> Tom, isn't it true that if you accelerate, time goes slower and slower?
> >>
> >> No. But if you started from an inertial frame, then an observer in that
> >> frame would measure [#] your clock as successively going slower and slower
> >> as you accelerate. You, on the other hand, would observe your clock just
> >> ticking as usual, both during and after your acceleration.
> >
> > Yes, because the spaceship accelerated.
> 
> In this specific case that is so. But in general it is not.
> 
> >>> If you go faster it slows, if you stop accelerating it remains constant?
> >>> Doesn't that imply that the acceleration alters how you experience time?
> >>
> >> No! None of that is correct. You experience NO CHANGE in how time flows
> >> for you. It is OTHER OBSERVERS who see your clock ticking more slowly than
> >>  their own [#].
> >
> > I am well aware that the spaceship will experience time as usual, nobody was
> > saying that the spaceship pilot will see things in slow motion.
> 
> Yes, YOU DID SAY THAT ("If you go faster [time] slows"). You keep doing this:
> using wishy-washy words that apparently don't really reflect what you are
> thinking. When discussing subtle concepts like SR, that is a DISASTER.
> 
> >> It is NOT the acceleration that causes this, but rather your speed
> >> relative to an observer's inertial frame. To change inertial frames you
> >> must accelerate, but it is the speed difference between your rest frame and
> >> the observer's frame that matters, not the acceleration you experienced.
> >
> > See, that's where you are wrong.
> 
> Nope. You need to read more accurately, and THINK more accurately.
> 
> > The acceleration has everything to do with it.  To achieve a state of time
> > dilation between these two clocks, the one needs to accelerate in a straight
> >  line and while it is accelerating, it's time slows down in relation to the
> > other clock.  The time dilation is caused by it's acceleration which alters
> > it's inertial frame and it's clock in relation to the parking bay.
> 
> "Time dilation" is NOT "caused by acceleration". Indeed the notion "caused by"
> is inappropriate. "Time dilation" is just a difference in the way the tick rate
> of a clock is measured by different observers. And the VALUE of their different
> measurements is related to their relative SPEED, not any acceleration.
> 
>         In the physical situation you are discussing, it is not possible
>         to achieve relative speed without the spaceship accelerating.
>         But there are other scenarios in which "time dilation" applies
>         but neither clock ever accelerated.
> 
> If you look up how "time dilation" is calculated, you'll find the equation
> includes relative speed, and has no term related to acceleration.
> 
>         As I have said many times around here, this "twin scenario" does
>         not really demonstrate "time dilation". Rather it demonstrates
>         the geometrical fact that different paths between a given pair
>         of events (leaving and returning) can have different path
>         lengths. The comparison of the earth and spaceship clocks at
>         return depends on the integral of proper time over each clock's
>         path -- that is path length, not "time dilation".
> 
> You must distinguish between "change in a clock" and "change in the value
> displayed by a clock". Speaking loosely, the VALUE changed but the clock itself
> did not. That _IS_ speaking loosely, because "change" does not really apply to a
> difference in values between two different clocks.
> 
> Tom Roberts



The question is...when does the "change" take place? 


"when" is the operative word.

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Thread

Twin paradox someone <glenn.spigel@googlemail.com> - 2017-03-03 07:04 -0800
  Re: Twin paradox Odd Bodkin <bodkinodd@gmail.com> - 2017-03-03 09:09 -0600
    Re: Twin paradox someone <glenn.spigel@googlemail.com> - 2017-03-03 08:12 -0800
      Re: Twin paradox Odd Bodkin <bodkinodd@gmail.com> - 2017-03-03 10:32 -0600
        Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-04 07:08 -0800
          Re: Twin paradox rotchm <rotchm@gmail.com> - 2017-03-04 07:47 -0800
            Re: Twin paradox "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-03-04 09:15 -0800
            Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-04 10:23 -0800
          Re: Twin paradox Sylvia Else <sylvia@not.at.this.address> - 2017-03-05 11:42 +1100
            Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-05 08:55 -0800
            Re: Twin paradox wugi <brol@brol.be> - 2017-03-14 22:31 +0100
              Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-15 03:22 -0700
                Re: Twin paradox wugi <brol@brol.be> - 2017-03-17 18:39 +0100
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-17 13:56 -0700
                Re: Twin paradox wugi <brol@brol.be> - 2017-03-17 22:54 +0100
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-17 17:32 -0700
                Re: Twin paradox wugi <brol@brol.be> - 2017-03-18 18:16 +0100
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-19 08:28 -0700
                Re: Twin paradox wugi <brol@brol.be> - 2017-03-19 23:09 +0100
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-20 08:14 -0700
                Re: Twin paradox Sylvia Else <sylvia@not.at.this.address> - 2017-03-19 13:05 +1100
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-19 09:44 -0700
                Re: Twin paradox wugi <brol@brol.be> - 2017-03-19 22:38 +0100
                Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-19 19:30 -0500
                Re: Twin paradox Koobee Wublee <koobee.wublee@gmail.com> - 2017-03-19 22:41 -0700
                Re: Twin paradox mlwozniak@wp.pl - 2017-03-20 00:29 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-20 08:59 -0700
                Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-21 10:53 -0500
                Re: Twin paradox wugi <brol@brol.be> - 2017-03-21 18:59 +0100
                Re: Twin paradox Sylvia Else <sylvia@not.at.this.address> - 2017-03-22 17:45 +1100
                Re: Twin paradox wugi <brol@brol.be> - 2017-03-22 11:25 +0100
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-22 06:42 -0700
                Re: Twin paradox Koobee Wublee <koobee.wublee@gmail.com> - 2017-03-22 00:26 -0700
                Re: Twin paradox Sylvia Else <sylvia@not.at.this.address> - 2017-03-22 19:30 +1100
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-22 07:56 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-22 05:49 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-22 06:17 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-22 08:20 -0700
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-03-22 11:08 -0800
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-22 11:41 -0700
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-03-22 11:51 -0800
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-03-22 12:02 -0800
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-23 07:06 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-29 11:24 -0700
                Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-27 13:50 -0500
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-28 06:18 -0700
                Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-28 12:13 -0500
                Re: Twin paradox dickorrich@gmail.com - 2017-03-29 10:45 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-29 11:22 -0700
                Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-30 00:17 -0500
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-30 06:02 -0700
                Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-04-03 12:31 -0500
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-04-04 02:14 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-03 17:21 -0700
                Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-04-04 10:37 -0500
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-04 08:52 -0700
                Re: Twin paradox Poutnik <poutnik4nntp@gmail.com> - 2017-04-04 18:51 +0200
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-05 02:39 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-20 08:36 -0700
                Re: Twin paradox wugi <brol@brol.be> - 2017-03-20 17:27 +0100
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-20 10:49 -0700
                Re: Twin paradox wugi <brol@brol.be> - 2017-03-20 21:10 +0100
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-20 16:59 -0700
                Re: Twin paradox wugi <brol@brol.be> - 2017-03-21 12:37 +0100
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-21 06:13 -0700
                Re: Twin paradox Gary Harnagel <hitlong@yahoo.com> - 2017-03-21 08:03 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-21 11:03 -0700
  Re: Twin paradox "Dono," <sa_ge@comcast.net> - 2017-03-04 06:20 -0800
  Re: Twin paradox Ed Lake <detect@newsguy.com> - 2017-03-04 09:41 -0800
    Re: Twin paradox Odd Bodkin <bodkinodd@gmail.com> - 2017-03-05 14:59 -0600
      Re: Twin paradox alsor@interia.pl - 2017-03-05 13:23 -0800
    Re: Twin paradox Mike Fontenot <mlfasf@comcast.net> - 2017-03-07 09:46 -0700
      Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-07 10:10 -0800
        Re: Twin paradox Mike Fontenot <mlfasf@comcast.net> - 2017-03-07 12:13 -0700
          Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-07 13:32 -0800
            Re: Twin paradox Poutnik <poutnik4nntp@gmail.com> - 2017-03-08 07:58 +0100
              Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-08 09:09 -0800
                Re: Twin paradox Poutnik <poutnik4nntp@gmail.com> - 2017-03-08 23:04 +0100
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-08 16:19 -0800
  Re: Twin paradox John Heath <heathjohn2@gmail.com> - 2017-03-04 11:23 -0800
    Re: Twin paradox "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-03-04 14:02 -0800
    Re: Twin paradox someone <glenn.spigel@googlemail.com> - 2017-03-06 12:05 -0800
      Re: Twin paradox John Heath <heathjohn2@gmail.com> - 2017-03-06 16:34 -0800
        Re: Twin paradox "Paul B. Andersen" <relativity@paulba.no> - 2017-03-07 12:57 +0100
          Re: Twin paradox John Heath <heathjohn2@gmail.com> - 2017-03-07 20:29 -0800
  Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-04 22:13 -0600
    Re: Twin paradox Koobee Wublee <koobee.wublee@gmail.com> - 2017-03-09 12:58 -0800
      Re: Twin paradox Odd Bodkin <bodkinodd@gmail.com> - 2017-03-10 07:25 -0600
      Re: Twin paradox "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-03-10 13:21 -0800
  Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-05 08:44 -0800
    Re: Twin paradox someone <glenn.spigel@googlemail.com> - 2017-03-06 12:03 -0800
      Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-06 18:02 -0800
        Re: Twin paradox someone <glenn.spigel@googlemail.com> - 2017-03-07 14:15 -0800
  Re: Twin paradox "Paul B. Andersen" <relativity@paulba.no> - 2017-03-05 21:31 +0100
    Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-05 15:09 -0800
      Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-05 15:18 -0800
        Re: Twin paradox "Paul B. Andersen" <relativity@paulba.no> - 2017-03-06 23:10 +0100
          Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-10 11:39 -0800
            Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-13 09:53 -0500
              Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-13 08:33 -0700
                Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-14 10:50 -0500
                Re: Twin paradox mlwozniak@wp.pl - 2017-03-15 00:43 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-15 04:08 -0700
                Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-16 16:48 -0500
                Re: Twin paradox mlwozniak@wp.pl - 2017-03-17 01:01 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-17 07:40 -0700
                Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-18 14:16 -0500
                Re: Twin paradox Idimi Higame <iumia@igmwwad.hh> - 2017-03-18 20:05 +0000
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-19 09:28 -0700
                Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-20 13:55 -0500
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-20 16:34 -0700
                Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-21 10:56 -0500
                Re: Twin paradox Julio Di Egidio <julio@diegidio.name> - 2017-03-19 21:38 -0700
                Re: Twin paradox Koobee Wublee <koobee.wublee@gmail.com> - 2017-03-19 22:52 -0700
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-03-21 00:14 -0800
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-03-21 13:43 -0800
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-03-22 01:39 -0800
                Re: Twin paradox mlwozniak@wp.pl - 2017-03-22 01:52 -0700
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-03-22 11:12 -0800
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-03-22 11:56 -0800
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-03-22 12:06 -0800
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-15 04:16 -0700
    Re: Twin paradox someone <glenn.spigel@googlemail.com> - 2017-03-06 09:34 -0800
      Re: Twin paradox "Paul B. Andersen" <relativity@paulba.no> - 2017-03-06 23:01 +0100
        Re: Twin paradox alsor@interia.pl - 2017-03-06 15:09 -0800
        Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-07 09:49 -0800
        Re: Twin paradox someone <glenn.spigel@googlemail.com> - 2017-03-07 14:04 -0800
          Re: Twin paradox "Paul B. Andersen" <relativity@paulba.no> - 2017-03-08 10:40 +0100
            Re: Twin paradox someone <glenn.spigel@googlemail.com> - 2017-03-08 07:11 -0800
              Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-08 15:04 -0600
                Re: Twin paradox someone <glenn.spigel@googlemail.com> - 2017-03-08 14:30 -0800
                Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-09 10:39 -0600
                Re: Twin paradox someone <glenn.spigel@googlemail.com> - 2017-03-09 13:20 -0800
                Re: Twin paradox Odd Bodkin <bodkinodd@gmail.com> - 2017-03-10 07:27 -0600
                Re: Twin paradox someone <glenn.spigel@googlemail.com> - 2017-03-10 06:05 -0800
                Re: Twin paradox Odd Bodkin <bodkinodd@gmail.com> - 2017-03-10 08:45 -0600
                Re: Twin paradox alsor@interia.pl - 2017-03-14 13:19 -0700
              Re: Twin paradox "Paul B. Andersen" <relativity@paulba.no> - 2017-03-10 11:49 +0100
          Re: Twin paradox wugi <brol@brol.be> - 2017-03-17 17:37 +0100
            Re: Twin paradox Julio Di Egidio <julio@diegidio.name> - 2017-03-19 21:33 -0700
              Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-03-20 09:05 -0700
        Re: Twin paradox Koobee Wublee <koobee.wublee@gmail.com> - 2017-03-09 13:12 -0800
          Re: Twin paradox Otplate Yuugaku <yu@yotwaglwt.pa> - 2017-03-09 22:50 +0000
            Re: Twin paradox Dirk Van de moortel <dirkvandemoortel@hotspam.not> - 2017-03-10 11:01 +0100
              Re: Twin paradox Koobee Wublee <koobee.wublee@gmail.com> - 2017-03-10 11:14 -0800
              Re: Twin paradox Priscilla Groll <lloi@wgnprlw.sl> - 2017-03-11 17:27 +0000
        Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-04 06:13 -0700
          Re: Twin paradox Hermelinda Riess <hsr@ermeemw.ei> - 2017-04-04 15:10 +0000
            Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-04 08:36 -0700
              Re: Twin paradox Hermelinda Riess <hsr@ermeemw.ei> - 2017-04-04 17:51 +0000
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-05 02:52 -0700
                Re: Twin paradox Hermelinda Riess <hsr@ermeemw.ei> - 2017-04-05 17:17 +0000
  Re: Twin paradox numbernumber1964@gmail.com - 2017-03-05 13:31 -0800
  Re: Twin paradox Julio Di Egidio <julio@diegidio.name> - 2017-03-08 14:17 -0800
    Re: Twin paradox someone <glenn.spigel@googlemail.com> - 2017-03-08 14:34 -0800
      Re: Twin paradox Julio Di Egidio <julio@diegidio.name> - 2017-03-08 15:32 -0800
        Re: Twin paradox someone <glenn.spigel@googlemail.com> - 2017-03-09 13:20 -0800
  Re: Twin paradox numbernumber1964@gmail.com - 2017-03-09 13:35 -0800
  Re: Twin paradox Koobee Wublee <koobee.wublee@gmail.com> - 2017-03-12 00:07 -0800
  Re: Twin paradox ronjresnick@gmail.com - 2017-03-13 13:58 -0700
    Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-14 10:28 -0500
      Re: Twin paradox Koobee Wublee <koobee.wublee@gmail.com> - 2017-03-14 12:31 -0700
      Re: Twin paradox "Kevin Aylward" <kevinRemovAT@kevinaylward.co.uk> - 2017-03-14 22:11 +0000
        Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-14 22:34 -0500
          Re: Twin paradox Koobee Wublee <koobee.wublee@gmail.com> - 2017-03-15 00:46 -0700
            Re: Twin paradox Koobee Wublee <koobee.wublee@gmail.com> - 2017-03-15 00:53 -0700
              Re: Twin paradox Odd Bodkin <bodkinodd@gmail.com> - 2017-03-15 09:19 -0500
              Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-03-16 23:50 -0800
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-03-16 23:54 -0800
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-03-17 08:15 -0800
                Re: Twin paradox "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-03-17 09:03 -0700
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-03-18 18:37 -0800
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-03-19 00:20 -0800
            Re: Twin paradox Odd Bodkin <bodkinodd@gmail.com> - 2017-03-15 09:15 -0500
            Re: Twin paradox rotchm <rotchm@gmail.com> - 2017-03-15 07:54 -0700
          Re: Twin paradox Julio Di Egidio <julio@diegidio.name> - 2017-03-15 02:53 -0700
            Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-15 15:18 -0500
              Re: Twin paradox Koobee Wublee <koobee.wublee@gmail.com> - 2017-03-19 22:43 -0700
          Re: Twin paradox mlwozniak@wp.pl - 2017-03-15 03:22 -0700
          Re: Twin paradox "Kevin Aylward" <kevinRemovAT@kevinaylward.co.uk> - 2017-03-15 21:31 +0000
          Re: Twin paradox alsor@interia.pl - 2017-03-16 16:56 -0700
      Re: Twin paradox mlwozniak@wp.pl - 2017-03-15 00:41 -0700
      Re: Twin paradox Ron Resnick <ronjresnick@gmail.com> - 2017-03-15 03:09 -0700
        Re: Twin paradox rotchm <rotchm@gmail.com> - 2017-03-15 08:02 -0700
    Re: Twin paradox "Kevin Aylward" <kevinRemovAT@kevinaylward.co.uk> - 2017-03-14 22:10 +0000
    Re: Twin paradox rotchm <rotchm@gmail.com> - 2017-03-15 07:41 -0700
      Re: Twin paradox Odd Bodkin <bodkinodd@gmail.com> - 2017-03-15 10:02 -0500
  Re: Twin paradox numbernumber1964@gmail.com - 2017-03-14 11:19 -0700
  Re: Twin paradox numbernumber1964@gmail.com - 2017-03-18 11:51 -0700
  Re: Twin paradox numbernumber1964@gmail.com - 2017-03-18 14:13 -0700
  Twin paradox "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-03-19 09:26 -0700
    Twin paradox "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-03-19 09:53 -0700
  Re: Twin paradox numbernumber1964@gmail.com - 2017-03-19 12:59 -0700
  Re: Twin paradox numbernumber1964@gmail.com - 2017-03-20 10:29 -0700
  Re: Twin paradox numbernumber1964@gmail.com - 2017-03-22 09:40 -0700
  Re: Twin paradox numbernumber1964@gmail.com - 2017-03-22 09:44 -0700
  Re: Twin paradox numbernumber1964@gmail.com - 2017-03-22 14:32 -0700
  Re: Twin paradox Deon Joubert <dhjoubert@gmail.com> - 2017-03-30 09:27 -0700
    Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-30 23:34 -0500
      Re: Twin paradox Deon Joubert <dhjoubert@gmail.com> - 2017-03-31 00:33 -0700
        Re: Twin paradox Deon Joubert <dhjoubert@gmail.com> - 2017-03-31 02:43 -0700
        Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-03-31 21:43 -0500
          Re: Twin paradox mlwozniak@wp.pl - 2017-04-01 00:52 -0700
          Re: Twin paradox Deon Joubert <dhjoubert@gmail.com> - 2017-04-01 01:41 -0700
            Re: Twin paradox Domonique Corle <oreuni@wwerwo.co> - 2017-04-01 13:01 +0000
            Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-04-01 10:27 -0500
              Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-04-01 20:44 -0800
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-04-03 00:05 -0700
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-04-03 00:28 -0700
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-04-03 04:14 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-03 17:15 -0700
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-04-04 11:47 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-04 05:57 -0700
                Re: Twin paradox Paparios <mrios@ing.puc.cl> - 2017-04-04 07:05 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-04 07:43 -0700
                Re: Twin paradox Paparios <mrios@ing.puc.cl> - 2017-04-04 09:20 -0700
                Re: Twin paradox "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-04-04 09:58 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-05 02:25 -0700
                Re: Twin paradox Paparios <mrios@ing.puc.cl> - 2017-04-05 04:22 -0700
                Re: Twin paradox mlwozniak@wp.pl - 2017-04-05 06:23 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-05 09:58 -0700
                Re: Twin paradox Paparios <mrios@ing.puc.cl> - 2017-04-05 10:21 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-05 11:36 -0700
                Re: Twin paradox Hermelinda Riess <hsr@ermeemw.ei> - 2017-04-04 15:01 +0000
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-04-05 00:32 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-05 02:55 -0700
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-04-07 21:32 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-08 07:38 -0700
                Re: Twin paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2017-04-08 10:31 -0500
                Re: Twin paradox mlwozniak@wp.pl - 2017-04-08 08:42 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-09 14:29 -0700
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-04-10 22:18 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-11 06:11 -0700
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-04-12 00:13 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-12 07:00 -0700
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-04-12 14:49 -0700
                Re: Twin paradox Ned Latham <nedlatham@woden.valhalla.oz> - 2017-04-13 09:44 +0000
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-13 06:03 -0700
                Re: Twin paradox Ned Latham <nedlatham@woden.valhalla.oz> - 2017-04-13 20:40 +0000
                Re: Twin paradox "Kevin Aylward" <kevinRemovAT@kevinaylward.co.uk> - 2017-04-14 10:42 +0100
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-14 08:27 -0700
                Re: Twin paradox Gary Harnagel <hitlong@yahoo.com> - 2017-04-16 05:49 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-17 08:05 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-17 08:22 -0700
                Re: Twin paradox Nocasto Aboyar <oocaao@syeoby.ao> - 2017-04-17 15:36 +0000
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-17 09:08 -0700
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-04-17 10:45 -0700
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-04-17 10:56 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-19 10:14 -0700
                Re: Twin paradox Jonathan Doolin <good4usoul@gmail.com> - 2017-04-20 08:48 -0700
                Re: Twin paradox mlwozniak@wp.pl - 2017-04-17 08:52 -0700
                Re: Twin paradox The Starmaker <starmaker@ix.netcom.com> - 2017-04-08 09:51 -0700
                Re: Twin paradox "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-04-08 12:28 -0700

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