SuperLuminal's Experiment

Discussion in 'Physics & Math' started by Rosnet, Jul 25, 2005.

  1. superluminal . Registered Senior Member

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    10,717
    Correct. It's the mechanism of length contraction. Length contraction is a result of the way space and time are measured for a moving object. Just as is time dilation.
     
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  3. superluminal . Registered Senior Member

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    QQ,

    No. We're deadly serious.
     
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  5. Aer Registered Senior Member

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    Well, regardless of what we measure the lengths to be, the pulses shouldn't be seen as simultaneous. So this is all we would need to check. The length between their detection can then be analyzed later.
     
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  7. Aer Registered Senior Member

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    Perhaps the "pulse" could be a laser pulse perpendicular to the direction of motion so that any length contraction that may occur wouldn't have to be taken into account to see the simultaneity effect.
     
  8. superluminal . Registered Senior Member

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    Well, I am certain that length contraction and simultaneity are intimately related.
     
  9. Aer Registered Senior Member

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    Yes, they are intimately related. However, length contraction only occurs in the direction of motion, x. If the laser pulses were in the direction y, then their detection would be at different times in the Earth frame regardless of length contraction.
     
  10. Aer Registered Senior Member

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    I'll be honest. To me, it makes no sense for the Earth to detect these pulses at different times. It also doesn't make sense to me that things length contract.

    Though, I am willing to accept that my sense maybe be nonsense in reality - but I want to see good hard proof first

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    Time dilation does make sense to me - that is, I've come up with a quantum level explaination that makes sense to me. But it is not consistent with Special Relativity. Specifically it forbids length contraction.
     
  11. superluminal . Registered Senior Member

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    10,717
    Oh. I get you now. You mean this:

        ---> laser
        |
        |
    ----------------> x (motion)
        |
        |
        ---> laser

    Yes? If so, why would the laser pulses not arrive at earth simultaneously assuming they were directed at the earth?
     
  12. superluminal . Registered Senior Member

    Messages:
    10,717
    Loss of simultaneity only occurrs in the relative direction of motion.
     
  13. Aer Registered Senior Member

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    No, the laser pulse is perpendicular to the x direction.
     
  14. Aer Registered Senior Member

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    Well this makes things impossible, no? And how does that make sense?
     
  15. superluminal . Registered Senior Member

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    10,717
    Well then they will show closer together. ?
     
  16. Aer Registered Senior Member

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    If we had a normal pulse, that scattered in all directions, then based on our sensors, we'd be able to conclude that an event in the moving frame as simultaneous would be detected simultaneous in the Earth frame. Because we could always just measure the portion of the pulse perpendicular to the motion.
     
  17. superluminal . Registered Senior Member

    Messages:
    10,717
    ----------------> x
    |                  |
    V                  V

    This? Then they just show length contraction which is a result of loss of simultaneity.
     
  18. Aer Registered Senior Member

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    OK - if you say so. I hope you are sure about this. As I said - I am always at a loss for what is happening when length contraction is involved.
     
  19. superluminal . Registered Senior Member

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    10,717
    It's very late for me and I'm losing my ability to understand things.
     
  20. superluminal . Registered Senior Member

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    Aer,

    Have you read Einsteins "relativity"?
     
  21. Aer Registered Senior Member

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    Quite awhile ago.
     
  22. superluminal . Registered Senior Member

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    10,717
    Ok well, it's not a hard read and can clear up a lot.
     
  23. Aer Registered Senior Member

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    I fully understood it at the time

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    New ideas and time have an effect on one's understanding though.
     

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