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Re: Interferometry Does Not Measure Light Speed.

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From Thomas Heger <ttt_heg@web.de>
Newsgroups sci.physics.relativity
Subject Re: Interferometry Does Not Measure Light Speed.
Date Sat, 08 Aug 2015 20:00:12 +0200
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Am 08.08.2015 16:44, schrieb rotchm:
> On Friday, August 7, 2015 at 9:01:45 PM UTC-4, Thomas Heger wrote:
>
>> It is actually possible to measure the one way speed of light directly.
>
> Assuming that "one way speed of light" (owls) means that nowhere the procedure involves an out AND back path for light, then:

Assumed that it is possible to measure the length of some metal object.


>
>> You need a long axis with two disks at both ends.
>
> If you need to use the value of the length of this shaft, then you used used a TWLS procedure!

It is certainly possible to measure the length of such a rotor with 
sufficient accuracy.

If you take the measured length of such a rotor into doubt, than you are 
certainly in trouble with a large part of physics.

>
>> Now a laser is sent along the axis and mirrored down to the rim,
>
> Mirrored? If the light comes back, then its a TWOL again, and thus your gedanken is not a OWLS.


Yes. Tiny prisms or similar, like in the laser-head of a DVD recorder.

So a little fraction of its length is the laser-beam actually going up 
and down. I don't see, how this is an issue.

> <snip>
>
> Many places in your setup uses TWLS, hence your setup is not a procedure that measures the OWLS.
>

It measures the speed of light, that moves from one end of the rotor to 
the other. Since this length is only used once, the one-way speed of 
light is measured.


TH

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Thread

Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-08 06:55 +1000
  Re: Interferometry Does Not Measure Light Speed. Odd Bodkin <bodkinodd@gmail.com> - 2015-08-07 16:40 -0500
    Re: Interferometry Does Not Measure Light Speed. HW@...(HG Wilson) - 2015-08-08 08:27 +1000
      Re: Interferometry Does Not Measure Light Speed. Ignorant Raving Crackpot <ignorantravingcrackpot@gmail.com> - 2015-08-07 16:36 -0700
        Re: Interferometry Does Not Measure Light Speed. HW@...(HG Wilson) - 2015-08-09 18:48 +1000
          Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-09 08:05 -0700
            Re: Interferometry Does Not Measure Light Speed. HW@...(HG Wilson) - 2015-08-10 08:13 +1000
              Re: Interferometry Does Not Measure Light Speed. Gary Harnagel <hitlong@yahoo.com> - 2015-08-09 17:20 -0700
                Re: Interferometry Does Not Measure Light Speed. HW@...(HG Wilson) - 2015-08-10 12:25 +1000
                Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-09 19:58 -0700
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-10 20:11 +1000
                Re: Interferometry Does Not Measure Light Speed. "Paul B. Andersen" <relativity@paulba.no> - 2015-08-10 10:06 +0200
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-10 20:08 +1000
                Re: Interferometry Does Not Measure Light Speed. "Paul B. Andersen" <relativity@paulba.no> - 2015-08-10 15:28 +0200
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-11 06:30 +1000
                Re: Interferometry Does Not Measure Light Speed. "Paul B. Andersen" <relativity@paulba.no> - 2015-08-11 23:43 +0200
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-12 08:26 +1000
                Re: Interferometry Does Not Measure Light Speed. "Paul B. Andersen" <relativity@paulba.no> - 2015-08-12 10:23 +0200
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-14 01:51 +1000
                Re: Interferometry Does Not Measure Light Speed. moroney@world.std.spaamtrap.com (Michael Moroney) - 2015-08-13 16:03 +0000
                Re: Interferometry Does Not Measure Light Speed. Odd Bodkin <bodkinodd@gmail.com> - 2015-08-13 11:39 -0500
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-14 19:24 +1000
                Re: Interferometry Does Not Measure Light Speed. moroney@world.std.spaamtrap.com (Michael Moroney) - 2015-08-14 14:52 +0000
                Re: Interferometry Does Not Measure Light Speed. Odd Bodkin <bodkinodd@gmail.com> - 2015-08-13 11:37 -0500
                Re: Interferometry Does Not Measure Light Speed. "Paul B. Andersen" <relativity@paulba.no> - 2015-08-13 18:41 +0200
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-14 19:28 +1000
                Re: Interferometry Does Not Measure Light Speed. "Paul B. Andersen" <relativity@paulba.no> - 2015-08-17 17:08 +0200
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-18 03:27 +1000
                Re: Interferometry Does Not Measure Light Speed. "Paul B. Andersen" <relativity@paulba.no> - 2015-08-17 21:42 +0200
                Re: Interferometry Does Not Measure Light Speed. HW@...(HG Wilson) - 2015-08-18 08:23 +1000
                Re: Interferometry Does Not Measure Light Speed. "Paul B. Andersen" <relativity@paulba.no> - 2015-08-18 21:33 +0200
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-19 06:11 +1000
                Re: Interferometry Does Not Measure Light Speed. Ignorant Raving Crackpot <ignorantravingcrackpot@gmail.com> - 2015-08-18 13:20 -0700
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-20 05:53 +1000
                Re: Interferometry Does Not Measure Light Speed. Gary Harnagel <hitlong@yahoo.com> - 2015-08-19 14:09 -0700
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-20 19:14 +1000
                Re: Interferometry Does Not Measure Light Speed. Gary Harnagel <hitlong@yahoo.com> - 2015-08-20 03:42 -0700
                Re: Interferometry Does Not Measure Light Speed. moroney@world.std.spaamtrap.com (Michael Moroney) - 2015-08-20 12:33 +0000
                Re: Interferometry Does Not Measure Light Speed. HW@...(HG Wilson) - 2015-08-21 09:17 +1000
                Re: Interferometry Does Not Measure Light Speed. HW@...(HG Wilson) - 2015-08-21 09:17 +1000
                Re: Interferometry Does Not Measure Light Speed. Gary Harnagel <hitlong@yahoo.com> - 2015-08-20 19:39 -0700
                Re: Interferometry Does Not Measure Light Speed. "Paul B. Andersen" <relativity@paulba.no> - 2015-08-19 14:22 +0200
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-20 05:55 +1000
                Re: Interferometry Does Not Measure Light Speed. "Paul B. Andersen" <relativity@paulba.no> - 2015-08-20 09:52 +0200
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-20 19:17 +1000
                Re: Interferometry Does Not Measure Light Speed. "Paul B. Andersen" <relativity@paulba.no> - 2015-08-20 12:25 +0200
                Re: Interferometry Does Not Measure Light Speed. moroney@world.std.spaamtrap.com (Michael Moroney) - 2015-08-17 21:20 +0000
                Re: Interferometry Does Not Measure Light Speed. HW@...(HG Wilson) - 2015-08-18 08:22 +1000
                Re: Interferometry Does Not Measure Light Speed. moroney@world.std.spaamtrap.com (Michael Moroney) - 2015-08-18 03:15 +0000
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-18 19:39 +1000
                Re: Interferometry Does Not Measure Light Speed. moroney@world.std.spaamtrap.com (Michael Moroney) - 2015-08-18 14:22 +0000
                Re: Interferometry Does Not Measure Light Speed. "Paul B. Andersen" <relativity@paulba.no> - 2015-08-18 21:38 +0200
                Re: Interferometry Does Not Measure Light Speed. Odd Bodkin <bodkinodd@gmail.com> - 2015-08-10 09:27 -0500
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-11 06:22 +1000
              Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-09 18:52 -0700
      Re: Interferometry Does Not Measure Light Speed. Odd Bodkin <bodkinodd@gmail.com> - 2015-08-08 15:34 -0500
  Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-08 03:01 +0200
    Re: Interferometry Does Not Measure Light Speed. Sylvia Else <sylvia@not.at.this.address> - 2015-08-08 19:35 +1000
      Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-08 15:45 +0200
        Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-08 07:46 -0700
        Re: Interferometry Does Not Measure Light Speed. fuller.david@hotmail.com - 2015-08-09 08:57 -0700
    Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-08 07:44 -0700
      Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-08 20:00 +0200
        Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-08 14:00 -0700
          Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-08 23:36 +0200
            Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-08 15:18 -0700
              Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-09 07:09 +0200
                Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-09 08:19 -0700
                Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-09 18:31 +0200
                Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-09 09:40 -0700
                Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-09 21:30 +0200
                Re: Interferometry Does Not Measure Light Speed. John Gogo <jfgogo22@yahoo.com> - 2015-08-09 13:05 -0700
                Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-09 18:16 -0700
                Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-10 07:50 +0200
                Re: Interferometry Does Not Measure Light Speed. John Gogo <jfgogo22@yahoo.com> - 2015-08-10 16:37 -0700
                Re: Interferometry Does Not Measure Light Speed. John Gogo <jfgogo22@yahoo.com> - 2015-08-10 16:39 -0700
                Re: Interferometry Does Not Measure Light Speed. John Gogo <jfgogo22@yahoo.com> - 2015-08-10 16:43 -0700
                Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-11 08:05 -0700
                Re: Interferometry Does Not Measure Light Speed. Gary Harnagel <hitlong@yahoo.com> - 2015-08-11 08:59 -0700
                Re: Interferometry Does Not Measure Light Speed. Felipe Delgado <fd@spreadspectrum.org> - 2015-08-11 16:27 +0000
                Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-11 22:49 +0200
                Re: Interferometry Does Not Measure Light Speed. John Gogo <jfgogo22@yahoo.com> - 2015-08-11 17:58 -0700
                Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-12 07:49 +0200
                Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-12 08:01 +0200
                Re: Interferometry Does Not Measure Light Speed. John Gogo <jfgogo22@yahoo.com> - 2015-08-13 19:27 -0700
                Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-14 05:29 +0200
                Re: Interferometry Does Not Measure Light Speed. Ignorant Raving Crackpot <ignorantravingcrackpot@gmail.com> - 2015-08-12 03:32 -0700
                Re: Interferometry Does Not Measure Light Speed. underante <underante@yahoo.com> - 2015-08-12 07:50 -0700
                Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-12 22:53 +0200
                Re: Interferometry Does Not Measure Light Speed. Ignorant Raving Crackpot <ignorantravingcrackpot@gmail.com> - 2015-08-12 15:57 -0700
                Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-13 11:16 +0200
                Re: Interferometry Does Not Measure Light Speed. Ignorant Raving Crackpot <ignorantravingcrackpot@gmail.com> - 2015-08-13 06:05 -0700
                Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-13 21:21 +0200
                Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-18 06:22 +0200
                Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-18 07:06 -0700
                Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-18 19:55 +0200
                Re: Interferometry Does Not Measure Light Speed. John Gogo <jfgogo22@yahoo.com> - 2015-08-18 16:25 -0700
                Re: Interferometry Does Not Measure Light Speed. Thomas Heger <ttt_heg@web.de> - 2015-08-21 06:09 +0200
                Re: Interferometry Does Not Measure Light Speed. John Gogo <jfgogo22@yahoo.com> - 2015-08-09 12:18 -0700
                Re: Interferometry Does Not Measure Light Speed. John Gogo <jfgogo22@yahoo.com> - 2015-08-09 12:22 -0700
    Re: Interferometry Does Not Measure Light Speed. HW@...(HG Wilson) - 2015-08-09 18:23 +1000
      Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-09 07:59 -0700
        Re: Interferometry Does Not Measure Light Speed. HW@...(HG Wilson) - 2015-08-10 08:15 +1000
          Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-09 18:55 -0700
        Re: Interferometry Does Not Measure Light Speed. Tom Roberts <tjroberts137@sbcglobal.net> - 2015-08-09 22:10 -0500
          Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-09 20:27 -0700
            Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-10 20:15 +1000
            Stephane Baune inserts foot in mouth. Deeper "Dono," <sa_ge@comcast.net> - 2015-08-13 12:38 -0700
  Re: Interferometry Does Not Measure Light Speed. John Gogo <jfgogo22@yahoo.com> - 2015-08-07 19:19 -0700
  Re: Interferometry Does Not Measure Light Speed. John Heath <heathjohn2@gmail.com> - 2015-08-07 19:25 -0700
  Re: Interferometry Does Not Measure Light Speed. "Paul B. Andersen" <relativity@paulba.no> - 2015-08-08 13:02 +0200
    Re: Interferometry Does Not Measure Light Speed. HW@...(HG Wilson) - 2015-08-09 18:37 +1000
      Re: Interferometry Does Not Measure Light Speed. "Paul B. Andersen" <relativity@paulba.no> - 2015-08-09 14:32 +0200
  Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-08 07:33 -0700
    Re: Interferometry Does Not Measure Light Speed. HW@...(HG Wilson) - 2015-08-09 18:10 +1000
      Re: Interferometry Does Not Measure Light Speed. rotchm <rotchm@gmail.com> - 2015-08-09 07:56 -0700
        Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-10 20:19 +1000
          Re: Interferometry Does Not Measure Light Speed. Gary Harnagel <hitlong@yahoo.com> - 2015-08-10 06:39 -0700
            Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-11 06:35 +1000
              Re: Interferometry Does Not Measure Light Speed. Gary Harnagel <hitlong@yahoo.com> - 2015-08-10 16:28 -0700
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-12 08:30 +1000
                Re: Interferometry Does Not Measure Light Speed. Gary Harnagel <hitlong@yahoo.com> - 2015-08-12 08:07 -0700
                Re: Interferometry Does Not Measure Light Speed. HW@...(HG Wilson) - 2015-08-13 07:25 +1000
                Re: Interferometry Does Not Measure Light Speed. Gary Harnagel <hitlong@yahoo.com> - 2015-08-12 17:14 -0700
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-14 02:01 +1000
                Re: Interferometry Does Not Measure Light Speed. Gary Harnagel <hitlong@yahoo.com> - 2015-08-13 11:57 -0700
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-14 19:36 +1000
                Re: Interferometry Does Not Measure Light Speed. Gary Harnagel <hitlong@yahoo.com> - 2015-08-14 06:08 -0700
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-15 06:00 +1000
                Re: Interferometry Does Not Measure Light Speed. Odd Bodkin <bodkinodd@gmail.com> - 2015-08-14 15:04 -0500
                Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-15 06:43 +1000
                Re: Interferometry Does Not Measure Light Speed. Gary Harnagel <hitlong@yahoo.com> - 2015-08-14 15:07 -0700
  Re: Interferometry Does Not Measure Light Speed. alsor@interia.pl - 2015-08-09 11:23 -0700
    Re: Interferometry Does Not Measure Light Speed. HW@...(HG Wilson) - 2015-08-10 08:25 +1000
      Re: Interferometry Does Not Measure Light Speed. alsor@interia.pl - 2015-08-10 14:37 -0700
        Re: Interferometry Does Not Measure Light Speed. HW@...(HG Wilson) - 2015-08-11 08:24 +1000
          Re: Interferometry Does Not Measure Light Speed. alsor@interia.pl - 2015-08-12 11:14 -0700
            Re: Interferometry Does Not Measure Light Speed. HW@...(HG Wilson) - 2015-08-13 07:29 +1000
              Re: Interferometry Does Not Measure Light Speed. alsor@interia.pl - 2015-08-13 13:07 -0700
  Interferometry Does Not Measure Light Speed. Jon Price <jonelwoodprice@gmail.com> - 2015-08-10 20:02 -0700
    Re: Interferometry Does Not Measure Light Speed. Henry Wilson DSc. <hw@....> - 2015-08-12 08:37 +1000

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