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How come sub-atomic particles aren't affected by the vacuum around them

  1. Feb 26, 2009 #1
    Why aren't sub-atomic particles (electrons, protons, neutrons) affected by the vacuum around them. Why aren't they tugged off course like air in space
     
  2. jcsd
  3. Feb 26, 2009 #2

    mgb_phys

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    I think you have a small misunderstanding about vacuum.
    Vacuum doesn't suck - what happens with say a vacuum cleaner (or a pump) is that you have less air on the inside than outside and so air moves towards the vacuuum simply out of randomly filling the spaces.
    It's like having a crowd of people in a small room and opening the door - they will gradualy fill both rooms - but the empty room isn't pulling them
     
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