Groups > sci.physics.relativity > #427162

Re: Why SR and LET are the Same Theory

From	"HGW..." <hgw@....>
Newsgroups	sci.physics.relativity
Subject	Re: Why SR and LET are the Same Theory
Date	2017-08-04 12:51 +1000
Organization	Aioe.org NNTP Server
Message-ID	<om0nel$1sop$1@gioia.aioe.org> (permalink)
References	(2 earlier) <olm3o0$tbo$1@gioia.aioe.org> <olosvk$rl2$2@pcls7.std.com> <olr0he$s7m$1@gioia.aioe.org> <olsn1r$1f7a$2@gioia.aioe.org> <40594227.fMDQidcC6G@PointedEars.de>

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On 03/08/17 09:38, Thomas 'PointedEars' Lahn wrote:
> Odd Bodkin wrote:
> 
>> On 8/1/17 5:49 PM, HGW... wrote:

> | ON THE ELECTRODYNAMICS OF MOVING BODIES
> | by A. Einstein
> | [Annalen der Physik 17 (1905): 891-921]
> |
> |   It is well known that Maxwell's electrodynamics – as usually understood
> | at present – when applied to moving bodies, leads to asymmetries that do
> | not seem to attach to the phenomena. Let us recall, for example, the
>                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> | electrodynamic interaction between a magnet and a conductor. The
>    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> | observable phenomenon depends here only on the relative motion of
> | conductor and magnet, while according to the customary conception the two
> | cases, in which, respectively, either the one or the other of the two
> | bodies is the one in motion, are to be strictly differentiated from each
> | other. For if the magnet is in motion and the conductor is at rest, there
> | arises in the surroundings of the magnet an electric field endowed with a
> | certain energy value that produces a current in the places where parts of
> | the conductor are located. But if the magnet is at rest and the conductor
> | is in motion, no electric field arises in the surroundings of the magnet,
> | while in the conductor an electromotive force will arise, to which in
> | itself there does not correspond any energy, but which, provided that the
> | relative motion in the two cases considered is the same, gives rise to
> | electrical currents that have the same magnitude and the same course as
> | those produced by the electric forces in the first-mentioned case.
> |
> |   Examples of a similar kind, and the failure of attempts to detect a
>      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> | motion of the earth relative to the "light medium", lead to the conjecture
>    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> | that not only in mechanics, but in electrodynamics as well, the phenomena
> | do not have any properties corresponding to the concept of absolute rest,
> | but that in all coordinate systems in which the mechanical equations are
> | valid, also the same electrodynamic and optical laws are valid, as has
> | already been shown for quantities of the first order. […]
>    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

That relates to his P1. ...the principle of relativity that Galileo 
already knew all about.

Thread

Why SR and LET are the Same Theory "HGW..." <hgw@....> - 2017-07-30 10:25 +1000
  Re: Why SR and LET are the Same Theory moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-07-30 01:56 +0000
    Re: Why SR and LET are the Same Theory "HGW..." <hgw@....> - 2017-07-30 19:35 +1000
      Re: Why SR and LET are the Same Theory moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-08-09 03:18 +0000
        Re: Why SR and LET are the Same Theory "HGW..." <hgw@....> - 2017-08-09 20:55 +1000
    Re: Why SR and LET are the Same Theory Jeèným Ludnými <hovae@ieuuio.org> - 2017-07-30 10:49 +0000
      Re: Why SR and LET are the Same Theory Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-07-30 21:30 +0200
  Re: Why SR and LET are the Same Theory "Paul B. Andersen" <relativity@paulba.no> - 2017-07-30 18:46 +0200
    Re: Why SR and LET are the Same Theory "HGW..." <hgw@....> - 2017-07-31 12:13 +1000
      Re: Why SR and LET are the Same Theory moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-08-01 03:36 +0000
        Re: Why SR and LET are the Same Theory "HGW..." <hgw@....> - 2017-08-02 08:49 +1000
          Re: Why SR and LET are the Same Theory moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-08-02 13:40 +0000
          Re: Why SR and LET are the Same Theory Odd Bodkin <bodkinodd@gmail.com> - 2017-08-02 09:19 -0500
            Re: Why SR and LET are the Same Theory mlwozniak@wp.pl - 2017-08-02 10:00 -0700
            Re: Why SR and LET are the Same Theory Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-08-03 01:38 +0200
              Re: Why SR and LET are the Same Theory "HGW..." <hgw@....> - 2017-08-04 12:51 +1000
  Re: Why SR and LET are the Same Theory Tom Roberts <tjroberts137@sbcglobal.net> - 2017-08-01 11:47 -0400
    Re: Why SR and LET are the Same Theory "HGW..." <hgw@....> - 2017-08-02 08:42 +1000
      Re: Why SR and LET are the Same Theory Gary Harnagel <hitlong@yahoo.com> - 2017-08-01 15:58 -0700
      Re: Why SR and LET are the Same Theory moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-08-02 13:19 +0000
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-01 12:39 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-01 12:46 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-04 14:15 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-07 10:27 -0700
  Why SR and LET are the Same Theory "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-08-07 10:47 -0700
    Re: Why SR and LET are the Same Theory "HGW..." <hgw@....> - 2017-08-08 08:52 +1000
      Re: Why SR and LET are the Same Theory "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-08-08 11:14 -0700
        Re: Why SR and LET are the Same Theory "David (Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-08-08 11:18 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-07 12:29 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-08 10:12 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-08 14:36 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-08 14:38 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-08 14:39 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-08 16:09 -0700
  Re: Why SR and LET are the Same Theory Lofty Goat <rlwatkins@gmail.com> - 2017-08-08 23:34 -0500
    Re: Why SR and LET are the Same Theory "HGW..." <hgw@....> - 2017-08-09 20:57 +1000
      Re: Why SR and LET are the Same Theory Odd Bodkin <bodkinodd@gmail.com> - 2017-08-09 09:39 -0500
        Re: Why SR and LET are the Same Theory "HGW..." <hgw@....> - 2017-08-10 08:22 +1000
          Re: Why SR and LET are the Same Theory Odd Bodkin <bodkinodd@gmail.com> - 2017-08-09 23:50 +0000
            Re: Why SR and LET are the Same Theory "HGW..." <hgw@....> - 2017-08-11 08:27 +1000
              Re: Why SR and LET are the Same Theory Odd Bodkin <bodkinodd@gmail.com> - 2017-08-10 19:14 -0500
                Re: Why SR and LET are the Same Theory "HGW..." <hgw@....> - 2017-08-12 07:37 +1000
          Re: Why SR and LET are the Same Theory Lofty Goat <rlwatkins@gmail.com> - 2017-08-14 21:56 -0500
            Re: Why SR and LET are the Same Theory "HGW..." <hgw@....> - 2017-08-16 20:05 +1000
              Re: Why SR and LET are the Same Theory Lofty Goat <rlwatkins@gmail.com> - 2017-08-20 14:48 -0500
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-09 10:38 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-09 13:07 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-09 13:15 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-09 13:30 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-09 15:32 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-09 15:38 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-09 15:39 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-09 15:40 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-10 10:53 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-10 14:51 -0700
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-10 15:43 -0700
  Re: Why SR and LET are the Same Theory alsor@interia.pl - 2017-08-20 14:12 -0700
    Re: Why SR and LET are the Same Theory "HGW..." <hgw@....> - 2017-08-21 08:46 +1000
  Re: Why SR and LET are the Same Theory numbernumber1964@gmail.com - 2017-08-20 14:28 -0700

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