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Groups > sci.physics.relativity > #472428

Re: Variable Time and the Variable Speed of Light

From Stakos Netakis <autp@wsalaw.oa>
Newsgroups sci.physics.relativity
Subject Re: Variable Time and the Variable Speed of Light
Date 2018-09-19 15:56 +0000
Organization Aioe.org NNTP Server
Message-ID <pntrim$1941$2@gioia.aioe.org> (permalink)
References <6fceaded-718d-4c9b-ba23-577dd41380ec@googlegroups.com> <ftj5goFr4b3U1@mid.individual.net> <11aa1aa0-5272-8d7b-e1db-45d63a8b1ae8@PointedEars.de> <g0f3fnF46dbU1@mid.individual.net> <LaWdnepTAeQ48z_GnZ2dnUU7_83NnZ2d@giganews.com>

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Tom Roberts wrote:

> On 9/19/18 9:06 AM, Thomas Heger wrote:
> Yes. That interval is 1/299,792,458 second (about 3.33 nanoseconds).
> 
>> This fraction of the second is defined by the time that light needs to
>> travel a meter through vacuum.
> 
> This last is wrong -- you assumed that you know what a meter is, but
> using the new definition YOU DON'T KNOW THAT until you determine it (via
> measurement).

He said in vacuum. Hence very well defined. 
    Turn on the Light-> 3.33 ns -> 1 meter, or
    Turn on the Light-> 3.33 us -> 1 km, or
    Turn on the Light-> 3.33 ms -> 1e3 km, or
    Turn on the Light-> 3.33 s  -> 1e6 km

> That fraction was DEFINED so that the the length of a meter using the
> new definition differed by as little as possible from the previous
> definition. The fraction was determined by many measurements of the
> vacuum speed of light using the old definition.

word salad.

>> To me this looks VERY much like circular reasoning.
> 
> Only because you phrased it inappropriately.

Where.

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Thread

Re: Variable Time and the Variable Speed of Light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-09-06 01:07 +0200
  Re: Variable Time and the Variable Speed of Light Thomas Heger <ttt_heg@web.de> - 2018-09-19 16:06 +0200
    Re: Variable Time and the Variable Speed of Light Tom Roberts <tjroberts137@sbcglobal.net> - 2018-09-19 10:43 -0500
      Re: Variable Time and the Variable Speed of Light Stakos Netakis <autp@wsalaw.oa> - 2018-09-19 15:56 +0000
      Re: Variable Time and the Variable Speed of Light Thomas Heger <ttt_heg@web.de> - 2018-09-20 06:45 +0200
        Re: Variable Time and the Variable Speed of Light Stakos Netakis <autp@wsalaws.np> - 2018-09-20 16:35 +0000
          Re: Variable Time and the Variable Speed of Light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-09-21 19:45 +0200
            Re: Variable Time and the Variable Speed of Light Rhett Joyner <udof@rsrrfirw.on> - 2018-09-21 21:41 +0000
              Re: Variable Time and the Variable Speed of Light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-09-22 00:14 +0200
                Re: Variable Time and the Variable Speed of Light Rhett Joyner <udof@rsrrfirv.on> - 2018-09-21 22:48 +0000
        Re: Variable Time and the Variable Speed of Light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-09-21 19:43 +0200
          Re: Variable Time and the Variable Speed of Light Thomas Heger <ttt_heg@web.de> - 2018-09-23 16:23 +0200
            Re: Variable Time and the Variable Speed of Light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-09-23 16:44 +0200
      Re: Variable Time and the Variable Speed of Light alsor@interia.pl - 2018-09-20 11:07 -0700
        Re: Variable Time and the Variable Speed of Light JanPB <filmart@gmail.com> - 2018-09-20 12:16 -0700
          Re: Variable Time and the Variable Speed of Light Jayson Durante <tug@wsedwsa.np> - 2018-09-20 19:43 +0000
          Re: Variable Time and the Variable Speed of Light alsor@interia.pl - 2018-09-20 15:38 -0700
        Re: Variable Time and the Variable Speed of Light Tom Roberts <tjroberts137@sbcglobal.net> - 2018-09-20 23:34 -0500
          Re: Variable Time and the Variable Speed of Light Stakos Netakis <autp@wsalaws.np> - 2018-09-21 09:23 +0000
          Re: Variable Time and the Variable Speed of Light alsor@interia.pl - 2018-09-21 11:25 -0700
            Re: Variable Time and the Variable Speed of Light JanPB <filmart@gmail.com> - 2018-09-21 16:17 -0700
              Re: Variable Time and the Variable Speed of Light alsor@interia.pl - 2018-09-22 10:36 -0700
                Re: Variable Time and the Variable Speed of Light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-09-22 20:23 +0200
    Re: Variable Time and the Variable Speed of Light Stakos Netakis <autp@wsalaw.oa> - 2018-09-19 15:48 +0000
    Re: Variable Time and the Variable Speed of Light "Dono," <sa_ge@comcast.net> - 2018-09-19 09:19 -0700
      Re: Variable Time and the Variable Speed of Light Stakos Netakis <autp@wsalaws.np> - 2018-09-21 09:58 +0000
    Re: Variable Time and the Variable Speed of Light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-09-19 23:43 +0200

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