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Groups > sci.physics > #711424

Re: kilogram to be redefined

From Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com>
Newsgroups sci.physics
Subject Re: kilogram to be redefined
Date 2018-11-04 08:15 +0100
Organization news.eternal-september.org
Message-ID <prm6bf$ngi$1@dont-email.me> (permalink)
References <prkcq8$l4e$1@gioia.aioe.org> <1c167b20-608c-45bd-8079-785f970af882@googlegroups.com>

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Steve <steve7600@gmail.com> Wrote in message:
> A. we take our physical meter ruler and we hold it up to measure a photons velocity. We log our result. B. We travel to a different location in space, near a black hole where we know Length contraction has acted upon our ruler. It has contracted our rulers length. C. So now we hold up our shortened ruler to measure a passing photons velocity. But the odd thing is, even though we know our ruler has shortened in length, we get the same resulting photon velocity? If our ruler is a variable, then how can it measure a constant as a constant?

The relativistic length contraction is just a space-time
 projection effect for moving observer. Nothing happens to
 lengths.

Nearby black holes sticks get physically dilated and broken to
 pieces by tidal force.

The length contraction is  somewhat analogical to a distant rod
 length calculated from the distance and the angle
 size.
If the rod is tilted, the  rod seems smaller than it is. Various
 observers would come with the various rod length, depending from
 where they observe it.

For meter and a nearby observer in rest wrt it, it has still the
 same lenght. And for photons, their local  speed wrt locally
 inertial frame is still c.

-- 
Libor Striz aka Poutnik ( a pilgrim/wanderer/wayfarer)

"Humour is the only effective weapon against stupidity."
Miloš Forman


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Thread

kilogram to be redefined Odd Bodkin <bodkinodd@gmail.com> - 2018-11-03 14:54 +0000
  Re: kilogram to be redefined benj <benj.fake@gmail.com> - 2018-11-03 13:26 -0400
    Re: kilogram to be redefined Odd Bodkin <bodkinodd@gmail.com> - 2018-11-03 18:07 +0000
    Re: kilogram to be redefined Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com> - 2018-11-03 20:29 +0100
      Re: kilogram to be redefined benj <benj.fake@gmail.com> - 2018-11-03 16:26 -0400
        Re: kilogram to be redefined Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com> - 2018-11-03 21:48 +0100
          Re: kilogram to be redefined Odd Bodkin <bodkinodd@gmail.com> - 2018-11-03 20:57 +0000
  Re: kilogram to be redefined Double-A <double-a3@hush.com> - 2018-11-03 16:01 -0700
    Re: kilogram to be redefined yporat08@gmail.com - 2018-11-04 00:46 -0700
      Re: kilogram to be redefined Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com> - 2018-11-04 09:00 +0100
  Re: kilogram to be redefined Steve <steve7600@gmail.com> - 2018-11-03 20:23 -0700
    Re: kilogram to be redefined Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com> - 2018-11-04 08:15 +0100
      Re: kilogram to be redefined Steve <steve7600@gmail.com> - 2018-11-04 01:11 -0700
        Re: kilogram to be redefined Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com> - 2018-11-04 09:35 +0100
          Re: kilogram to be redefined Steve <steve7600@gmail.com> - 2018-11-04 04:34 -0800
            Re: kilogram to be redefined Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com> - 2018-11-04 14:14 +0100
              Re: kilogram to be redefined Steve <steve7600@gmail.com> - 2018-11-04 19:52 -0800
                Re: kilogram to be redefined Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com> - 2018-11-05 06:58 +0100
                Re: kilogram to be redefined Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com> - 2018-11-05 07:37 +0100
                Re: kilogram to be redefined Steve <steve7600@gmail.com> - 2018-11-05 18:33 -0800
                Re: kilogram to be redefined Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com> - 2018-11-06 08:19 +0100
                Re: kilogram to be redefined Steve <steve7600@gmail.com> - 2018-11-05 18:44 -0800
                Re: kilogram to be redefined benj <benj.fake@gmail.com> - 2018-11-05 21:56 -0500
                Re: kilogram to be redefined Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com> - 2018-11-06 07:53 +0100
    Re: kilogram to be redefined yporat08@gmail.com - 2018-11-04 00:36 -0700
      Re: kilogram to be redefined Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com> - 2018-11-04 08:51 +0100
  Re: kilogram to be redefined Sergio <invalid@invalid.com> - 2018-11-05 14:41 -0600
    Re: kilogram to be redefined benj <benj.fake@gmail.com> - 2018-11-05 16:33 -0500
      Re: kilogram to be redefined Sergio <invalid@invalid.com> - 2018-11-05 23:38 -0600
        Re: kilogram to be redefined benj <benj.fake@gmail.com> - 2018-11-06 17:33 -0500

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