Re: The genius of the Absolute
From: Creighton Hogg (wchogg_at_hep.wisc.edu)
Date: 01/12/05
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Date: Wed, 12 Jan 2005 14:30:01 -0600
On Wed, 12 Jan 2005, Jesse Mazer wrote:
>
>
> Androcles wrote:
>
> >"Jesse Mazer" <vze2ztqw@mail.verizon.net> wrote in message
> >news:41E592FF.6020100@mail.verizon.net...
> >
> >
> >>Androcles wrote:
> >>
> >>
> >>
> >>>"Jesse Mazer" <vze2ztqw@mail.verizon.net> wrote in message
> >>>news:41E5848F.6090300@mail.verizon.net...
> >>>
> >>>
> >>>
> >>>>Androcles wrote:
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>>"Jesse Mazer" <vze2ztqw@mail.verizon.net> wrote in message
> >>>>>news:41E57925.1040404@mail.verizon.net...
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>>Androcles wrote:
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>>>In a reference frame in which the apparatus is stationary, x and
> >>>>>>>>y don't
> >>>>>>>>change as the apparatus is rotated (assuming x and y are the
> >>>>>>>>arm-lengths).
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>Exactly. So you prove nothing. However, Einstein's postulate is
> >>>>>>>"light is always propagated in empty space with a definite
> >>>>>>>velocity
> >>>>>>>c which is independent of the state of motion of the emitting
> >>>>>>>body"
> >>>>>>>Reference :
> >>>>>>>http://www.fourmilab.ch/etexts/einstein/specrel/www/
> >>>>>>>
> >>>>>>>The Earth is moving in the empty space, which is the reference
> >>>>>>>frame.
> >>>>>>>Are you trying to deliberately obfuscate the problem?
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>Empty space doesn't have a particular reference frame in Einstein's
> >>>>>>theory.
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>Then light will be source dependent.
> >>>>>Androcles.
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>Nope, not according to the laws of electromagnetism.
> >>>>
> >>>>
> >>>>
> >>>Which one? Gauss, Faraday or Ampere?
> >>>Androcles.
> >>>
> >>>
> >>>
> >>The fact that the speed of light is independent of the source can only
> >>be derived using all of Maxwell's laws.
> >>
> >>
> >
> >When you can read a graph, we'll discuss it. Until then, it's a waste of
> >time.
> >Androcles.
> >
>
> I can read your graphs, but with no descriptions of what is being
> measured, I don't know what they mean. For example, on the graph you
> posted at
> http://www.androc1es.pwp.blueyonder.co.uk/New_Folder/00918-ck.gif one
> axis measures time and the other measures "m", which I would guess is
> meters--but what is it that is being measured in meters? Without
> context, a graph like that is meaningless--if you are willing to explain
> the context, I will try to address it.
>
> In the meantime, regardless of what that graph shows, it doesn't change
> the fact that you have not addressed the issue that Maxwell's laws are
> all based on experiments with electricity and magnetism that are
> extremely well-confirmed, and which don't involve light at all; once you
> have these laws, you can show mathematically that together they imply
> the velocity of electromagnetic waves is always
> 1/squareroot(epsilon_0*mu_0), and that this "coincidentally" happens to
> match the observed speed of light very accurately, even though the
> experiments to determine epsilon_0 and mu_0 have nothing to do with light.
Not to be a jerk, but epsilon_0 and mu_0 are really an artifact of using
SI units and wouldn't have shown up Back in The Day.
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