Groups > sci.physics.relativity > #478804

Re: One way speed of light

From	Odd Bodkin <bodkinodd@gmail.com>
Newsgroups	sci.physics.relativity
Subject	Re: One way speed of light
Date	2018-12-02 21:23 +0000
Organization	Aioe.org NNTP Server
Message-ID	<pu1igj$cgb$1@gioia.aioe.org> (permalink)
References	(10 earlier) <33d6ffa9-edab-d88e-ea6f-65895d5e6946@PointedEars.de> <ptshqb$faj$2@gioia.aioe.org> <g6fn0kFsajdU1@mid.individual.net> <4e6d8166-8e5c-4e1c-97c4-8c60686a31fa@googlegroups.com> <g6i2o7FdlrlU1@mid.individual.net>

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Thomas Heger <ttt_heg@web.de> wrote:
> Am 01.12.2018 um 16:32 schrieb Dono,:
>> On Saturday, December 1, 2018 at 7:17:43 AM UTC-8, Thomas Heger wrote:
>>> 
>>> But the MMX was conducted more than a hundred years ago with technology
>>> not even then state of the art.
>>> 
>> 
>> 
>> Crank,
>> 
>> There re literally hundreds of MMX re-enactments with ever increasing
>> precision and modernized technology. Learn. Stop posting idiocies.
>> 
> 
> 
> As far as I know, there was never any 'one-way-speed-of-light-experiment'.

It’s been done as far back as the 1680s. See Roemer. 

> 
> (It is actually possible to conduct such an experiment as I have tried 
> to show in my OP.)
> 
> If the experiment contains a mirror, there is little chance to find out, 
> whether or not there is an ether (or not).
> 
> The reason:
> if there is some kind of flow against the beam of light and this would 
> have an influence on velocity of light, the effect on the way back from 
> the mirror would be, that decelerated light is accelerated by the same 
> amount on the way back.
> 
> There is only a tiny difference, since the light needs more additional 
> time on the way to the mirror, than what is gained on the way back.
> 
> Since the beam is slower (by about 1/150,000 times c) the light needs a 
> little more time.
> 
> The time for light to pass through the Michelson interferometer from 
> light source to the mirror was roughly 16 ns.
> 
> The arm-length was about 1.2 m, but the beam was reflected four times, 
> what resulted in 11m light-path. That takes about 32 ns and the half  is 
> 16ns.
> 
> Within this 16 ns the beam is about 2,2 km/s slower (and about 2,2 km/s 
> faster on the way back for 16ns- 16ns/150,000) than the usual speed of 
> light in air.
> 
> This does not add up perfectly, since for 16 ns light is actually moving 
> 2km/s slower, hence uses on average more time on the way to the mirror 
> than on the way back.
> 
> ONLY: this effect is extremely small, since you need to multiply the 
> ratio 1/150,000 (as effect of ether drift) by an also extremely small 
> ratio as outcome of the very short interval (16 ns).
> 
> In a geometric analogy: the arc-length is longer than the sinus. But if 
> the angle of the arc/the corresponding triangle is very small, the 
> difference is very small.
> 
> And this small difference needs to be compared to the speed of light, 
> since what the interferometer tries to measure is a shift of 
> interference patterns.
> 
> TH
> 
> 
> 
> 



-- 
Odd Bodkin — Maker of fine toys, tools, tables

Thread

One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-11-26 16:01 +0100
  Re: One way speed of light Lee Primer <itoo@wodinwnc.cg> - 2018-11-26 15:50 +0000
  Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-11-26 21:48 +0100
    Re: One way speed of light "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2018-11-27 07:07 -0800
      Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-11-29 02:09 +0100
  Re: One way speed of light JanPB <filmart@gmail.com> - 2018-11-26 13:04 -0800
    Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-26 21:29 +0000
      Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-11-27 15:31 +0100
        Re: One way speed of light Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com.INVALID> - 2018-11-27 15:59 +0100
          Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-11-27 16:26 +0100
            Re: One way speed of light moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-11-27 16:47 +0000
            Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-27 16:54 +0000
            Re: One way speed of light Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com.INVALID> - 2018-11-27 18:01 +0100
          Re: One way speed of light Lee Primer <itoo@wodinwnc.cg> - 2018-11-28 00:55 +0000
            Re: One way speed of light Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com.INVALID> - 2018-11-28 05:14 +0100
              Re: One way speed of light Lee Primer <itoo@wodinwnc.cg> - 2018-11-28 15:13 +0000
        Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-27 16:44 +0000
          Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-11-28 16:34 +0100
            Re: One way speed of light Lee Primer <itoo@wodinwnc.cg> - 2018-11-28 15:40 +0000
            Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-28 17:20 +0000
              Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-11-29 20:43 +0100
                Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-29 20:53 +0000
                Re: One way speed of light Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com.INVALID> - 2018-11-29 22:21 +0100
                Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-11-30 21:15 +0100
                Re: One way speed of light moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-11-30 22:46 +0000
                Re: One way speed of light Tom Roberts <tjroberts137@sbcglobal.net> - 2018-11-30 17:23 -0600
                Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-12-01 00:34 +0100
                Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-30 23:40 +0000
                Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-12-01 16:17 +0100
                Re: One way speed of light "Dono," <sa_ge@comcast.net> - 2018-12-01 07:32 -0800
                Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-12-02 13:50 +0100
                Re: One way speed of light Gary Harnagel <hitlong@yahoo.com> - 2018-12-02 05:11 -0800
                Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-12-03 12:23 +0100
                Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-12-03 18:53 +0000
                Re: One way speed of light mitchrae3323@gmail.com - 2018-12-03 11:25 -0800
                Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-12-04 13:04 +0100
                Re: One way speed of light Gary Harnagel <hitlong@yahoo.com> - 2018-12-03 11:57 -0800
                Re: One way speed of light alsor@interia.pl - 2018-12-03 13:28 -0800
                Re: One way speed of light mitchrae3323@gmail.com - 2018-12-03 13:56 -0800
                Re: One way speed of light alsor@interia.pl - 2018-12-03 14:13 -0800
                Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-12-02 14:44 +0100
                Re: One way speed of light "Dono," <sa_ge@comcast.net> - 2018-12-02 07:13 -0800
                Re: One way speed of light Tom Roberts <tjroberts137@sbcglobal.net> - 2018-12-02 10:28 -0600
                Re: One way speed of light Mole Santiago <msb@awwnuvs.an> - 2018-12-02 18:42 +0000
                Re: One way speed of light alsor@interia.pl - 2018-12-02 11:08 -0800
                Re: One way speed of light moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-12-02 18:49 +0000
                Re: One way speed of light Mole Santiago <msb@awwnuvs.an> - 2018-12-02 18:57 +0000
                Re: One way speed of light Mole Santiago <msb@awwnuvs.an> - 2018-12-02 18:58 +0000
                Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-12-02 21:23 +0000
                Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-12-01 18:20 +0100
                Re: One way speed of light Tom Roberts <tjroberts137@sbcglobal.net> - 2018-11-29 16:03 -0600
                Re: One way speed of light mlwozniak@wp.pl - 2018-11-29 15:03 -0800
                Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-11-30 21:18 +0100
                Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-12-01 15:43 +0000
                Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-12-02 14:58 +0100
                Re: One way speed of light moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-11-29 23:38 +0000
                Re: One way speed of light mlwozniak@wp.pl - 2018-11-29 16:40 -0800
                Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-30 03:22 +0000
                Re: One way speed of light benj <benj.fake@gmail.com> - 2018-11-29 22:41 -0500
                Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-30 12:13 +0000
                Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-11-30 21:21 +0100
                Re: One way speed of light Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com.INVALID> - 2018-11-30 22:10 +0100
                Re: One way speed of light Thomas Heger <ttt_heg@web.de> - 2018-12-01 16:26 +0100
                Re: One way speed of light moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-11-30 23:01 +0000
                Re: One way speed of light Odd Bodkin <bodkinodd@gmail.com> - 2018-11-30 23:03 +0000
                Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-12-01 00:43 +0100
            Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-11-29 02:01 +0100
            Re: One way speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-11-29 02:04 +0100
  Re: One way speed of light alsor@interia.pl - 2018-11-26 15:51 -0800
    Re: One way speed of light Gary Harnagel <hitlong@yahoo.com> - 2018-11-26 18:53 -0800
      Re: One way speed of light alsor@interia.pl - 2018-11-27 09:49 -0800
  Re: One way speed of light numbernumber1964@gmail.com - 2018-11-28 15:11 -0800
  Re: One way speed of light mitchrae3323@gmail.com - 2018-11-29 14:19 -0800
  Re: One way speed of light carleto4157990662@gmail.com - 2018-11-29 14:36 -0800
    Re: One way speed of light benj <benj.fake@gmail.com> - 2018-11-29 22:28 -0500
    Re: One way speed of light mitchrae3323@gmail.com - 2018-11-29 20:08 -0800
  Re: One way speed of light carleto4157990662@gmail.com - 2018-11-29 15:10 -0800
  Re: One way speed of light alsor@interia.pl - 2018-11-30 12:48 -0800
    Alex Sorokin, persistent imbecile "Dono," <sa_ge@comcast.net> - 2018-12-01 07:34 -0800

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