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Thread: The roundtrip time of light travel and how it really works!

  1. #801  
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    Quote Originally Posted by SpeedFreek View Post
    Quote Originally Posted by Motor Daddy View Post
    Quote Originally Posted by SpeedFreek View Post
    Even if the lengths of the arms in the inferometer were not the same, due to the speed of light not being isotropic when the apparatus was set up, the motions of the apparatus through "absolute" space during the experiment would have shown it.
    How far did light travel in space?
    Don't you know how an interferometer works?
    I asked you if you knew how far light traveled in space?
     

  2. #802  
    Comet Dust Collector Moderator
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    Uhhh, yeah, forever and to the end of the Universe. Of which there is no edge. D'oh!
     

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    Quote Originally Posted by MeteorWayne View Post
    Uhhh, yeah, forever and to the end of the Universe. Of which there is no edge. D'oh!
    Sorry to burst your bubble, but the universe is an expanding object. The universe resides in the infinite volume of space.
     

  4. #804  
    Quagma SpeedFreek's Avatar
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    The experimental equipment used to determine that the speed of light was the same in all directions was, after all, equipment designed with the opposite purpose! The experiment was performed in order to prove the luminiferous aether against which light propagated existed, by showing how the speed of light was different in different directions.

    And in the century since, when we understand the implications of length contraction relative to an absolute frame, do you think we would be so foolish as to keep "proving" relativity whilst neglecting its effects on our experimental equipment?!

    The whole point is moot - the method we use precludes the length of the experimental equipment from being a factor, by the fact that any relative change in the motion of the arms, relative to the "preferred frame" where the speed of light were constant, would show a shift in the fringes where the light meets itself. The length of the arms themselves is irrelevant.
     

  5. #805  
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    Quote Originally Posted by Motor Daddy View Post
    Quote Originally Posted by SpeedFreek View Post
    Quote Originally Posted by Motor Daddy View Post
    Quote Originally Posted by SpeedFreek View Post
    Even if the lengths of the arms in the inferometer were not the same, due to the speed of light not being isotropic when the apparatus was set up, the motions of the apparatus through "absolute" space during the experiment would have shown it.
    How far did light travel in space?
    Don't you know how an interferometer works?
    I asked you if you knew how far light traveled in space?
    How far light travelled in space, when? How long the arms were? How long the path was through space, relative to the arms? Over what length of time? Through the whole orbit of the Earth?

    Be more specific.

    Oh, and why do you keep changing the subject when I mention the interferometer, like I did in post #475?

    And more to the point, the distance the light in the set of experiments I am talking about actually travelled through space is irrelevant to the nature of the experiment. We do not need to accurately measure anything in the apparatus for the experiment to work, as it is about changes in the interference pattern due to the motions and orientations of the apparatus as a whole.
    Last edited by SpeedFreek; February 20th, 2012 at 03:44 PM.
     

  6. #806  
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    Motor Daddy you are truly making no sense anymore. You said all our measurements were wrong. How do we build things then? How does engineering work if we haven't been measuring things correctly?
     

  7. #807  
    Quagma SpeedFreek's Avatar
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    He is working under the assumption that we are in motion relative to the preferred frame where the speed of light is actually constant in all directions, but we don't know it.

    He thinks all our experimental evidence is based on apparatus that was measured wrongly, as we don't know we are in motion relative to the preferred frame where all measurements are real.
     

  8. #808  
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    Which doesn't make sense because then we would get a different value for the speed depending on which part of earths orbit we are in. I have personally falsified this assertion myself.
     

  9. #809  
    Quagma SpeedFreek's Avatar
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    That's right, but Motor Daddy has settled on the SI definition of the metre being defined in terms of the speed of light, and seems to think this is a reason why all our measurements are wrong.

    No, really.

    Well that, along with the notion that the one-way speed of light is more significant than the two-way speed.
     

  10. #810  
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    Quote Originally Posted by Motor Daddy View Post
    You morons are dumber than I thought. Keep drowning yourselves in your ignorance. Ignorance is bliss, afterall. You wouldn't know what motion was if a bar maid slapped you in the face. Carry on in your world of illusions, by all means!
    You must be right. In fact, your brilliance is so damaging to our egos, that I think it might be better to bid you farewell and close this thread. Perhaps one day your genius will be appreciated.
    Markus Hanke and curious mind like this.
    Disclaimer: I do not declare myself to be an expert on ANY subject. If I state something as fact that is obviously wrong, please don't hesitate to correct me. I welcome such corrections in an attempt to be as truthful and accurate as possible.

    "Gullibility kills" - Carl Sagan
    "All people know the same truth. Our lives consist of how we chose to distort it." - Harry Block
    "It is the mark of an educated mind to be able to entertain a thought without accepting it." - Aristotle
     

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