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Train goes through a tunnel your ears pop a little?

  1. Dec 10, 2008 #1
    how come when a train goes through a tunnel your ears pop a little? is it due to the pressure increasing?

    or are my ears just weird :smile:
     
  2. jcsd
  3. Dec 10, 2008 #2

    mgb_phys

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    Re: Trains?

    Yes - high speed trains have to be sealed to prevent this.
     
  4. Dec 10, 2008 #3

    brewnog

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    Re: Trains?

    There's a joke in here about the eu-station tube, but I can't work it out just now.
     
  5. Dec 10, 2008 #4

    Danger

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    Re: Trains?

    :rofl:
     
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