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Groups > sci.physics.relativity > #420832

Re: Space time as a Perfect Fluid

From Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups sci.physics.relativity
Subject Re: Space time as a Perfect Fluid
Date 2017-05-28 10:29 +0200
Organization PointedEars Software (PES)
Message-ID <4777063.Sb9uPGUboI@PointedEars.de> (permalink)
References <50058846-d36a-4165-a7fd-baabf7ef890b@googlegroups.com> <ogcbi2$10db$1@gioia.aioe.org> <747973385.0ifERbkFSE@PointedEars.de> <bba1dfb4-1dd1-498e-bc23-c90b87cbb8b5@googlegroups.com>

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David (Lord Kronos Prime) Fuller wrote:

> The Fluid is not completely Mass-less @ 3.71295775e-28 kg

What fluid would that be?
 
> Lower the Mass density and the wave speed rises.
> 
> Raise the Mass density and the wave speed Drops.

That depends on the type of the wave.

For example, gravitational waves always propagate at the speed of light, no 
matter the mass density of the medium.

As for the speed of light c, which is determined by the refractive index n 
of the medium instead (c = c₀∕n, where c₀ is the speed of light in vacuum), 
there is no correlation between the refractive index of a medium and its 
mass density.  For example:

  ------------------------------------------------------
  Medium     Refractive index    Mass density
  ------------------------------------------------------
  Water      1.333               0.9998396 g/cm³ at 0 °C
  Ethanol    1.3611              0.7893    g/cm³
  ------------------------------------------------------

  (from <https://en.wikipedia.org/wiki/Refractive_index> pp.)

Ethanol has a slightly greater refractive index than water (at 0 °C), 
therefore the speed of light is slightly lower in it than in water; but it 
has *less* mass density than water.  So what you claim is certainly not true 
for the “wave speed” of light if “wave speed” is understood as “phase speed 
of the wave”.

> [pseudophysics]

Please don’t.

-- 
PointedEars

Twitter: @PointedEars2
Please do not cc me. / Bitte keine Kopien per E-Mail.

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Thread

Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-27 07:34 -0700
  Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-27 07:43 -0700
  Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-27 07:57 -0700
    Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-27 08:01 -0700
    Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-27 08:03 -0700
  Re: Space time as a Perfect Fluid Sienkiewicz Emniak <iecunkn@swazine.po> - 2017-05-27 17:04 +0000
    Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-27 10:15 -0700
      Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-27 10:19 -0700
      Re: Space time as a Perfect Fluid Sienkiewicz Emniak <iecunkn@swazine.po> - 2017-05-27 17:23 +0000
    Re: Space time as a Perfect Fluid Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-05-27 23:42 +0200
      Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-27 14:49 -0700
        Re: Space time as a Perfect Fluid Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-05-28 10:29 +0200
          Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-28 06:26 -0700
            Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-28 06:33 -0700
              Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-28 07:20 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-28 07:57 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-28 09:02 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-28 09:08 -0700
        Re: Space time as a Perfect Fluid Sienkiewicz Emniak <iecunkn@swazine.po> - 2017-05-28 12:17 +0000
          Re: Space time as a Perfect Fluid Sienkiewicz Emniak <iecunkn@swazine.po> - 2017-05-28 12:27 +0000
  Re: Space time as a Perfect Fluid Thomas Heger <ttt_heg@web.de> - 2017-05-27 20:19 +0200
    Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-27 11:37 -0700
      Re: Space time as a Perfect Fluid Alan Folmsbee <omnilobe@gmail.com> - 2017-05-27 15:39 -0700
        Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-27 16:16 -0700
    Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-27 12:08 -0700
      Re: Space time as a Perfect Fluid Thomas Heger <ttt_heg@web.de> - 2017-05-30 15:47 +0200
        Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-30 07:00 -0700
          Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-31 05:56 -0700
            Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-31 06:16 -0700
              Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-31 06:49 -0700
              Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-31 10:03 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-02 08:02 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-02 08:27 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-02 08:28 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-02 10:44 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-02 11:42 -0700
                Re: Space time as a Perfect Fluid The Starmaker <starmaker@ix.netcom.com> - 2017-06-02 22:47 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-03 04:42 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-03 07:58 -0700
                Re: Space time as a Perfect Fluid The Starmaker <starmaker@ix.netcom.com> - 2017-06-03 11:28 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-03 19:17 -0700
                Re: Space time as a Perfect Fluid "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2017-06-04 12:35 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-04 17:29 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-04 17:38 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-04 19:46 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-05 10:45 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-05 11:19 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-05 13:58 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-06 06:32 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-06 07:34 -0700
                Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-06 07:41 -0700
  Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-05-29 07:42 -0700
  Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-19 08:16 -0700
    Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-19 08:21 -0700
      Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-19 08:31 -0700
  Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-19 09:36 -0700
    Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-19 10:18 -0700
      Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-19 11:19 -0700
        Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-21 08:27 -0700
          Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-21 08:55 -0700
            Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-21 10:41 -0700
              Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-21 13:29 -0700
                Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-21 13:42 -0700
  Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-21 20:18 -0700
    Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-24 20:03 -0700
      Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-24 20:07 -0700
        Re: Space time as a Perfect Fluid "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-06-26 09:18 -0700
      Re: Space time as a Perfect Fluid "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-07-02 09:17 -0700
        Re: Space time as a Perfect Fluid "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-07-02 20:56 -0700
          Re: Space time as a Perfect Fluid "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-07-02 21:12 -0700
            Re: Space time as a Perfect Fluid "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-07-02 21:22 -0700
              Re: Space time as a Perfect Fluid "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-07-03 06:49 -0700
                Re: Space time as a Perfect Fluid "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-07-03 07:07 -0700
                Re: Space time as a Perfect Fluid "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-07-03 07:08 -0700
                Re: Space time as a Perfect Fluid "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-07-05 14:06 -0700

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