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How to merge an attractive force with one that has opposite charges and repulsion

  1. Sep 1, 2010 #1
    Hi,

    I saw this article on youtube about Brian Greene describing kaluza-klein and some ideas about tiny curved spatial dimensions:



    I was wondering...I'm looking for an intuitive (general idea without too much mathematics for starters) explanation as to how kaluza or string theory (or weyl or any other candidate) tries
    to merge a purely attractive force with a force that has opposite charges using these extra spatial dimensions. The main question that I'm trying to answer is: how did they get repulsion out of a purely attractive force by using these extra spatial dimensions?

    Are there such intuitive explanations on youtube or somewhere on the web? Or is this subject too difficult to explain intuitively? If anybody could shed some light on the subject, I'd be very grateful. Much thanks in advance!
     
    Last edited by a moderator: Sep 25, 2014
  2. jcsd
  3. Sep 1, 2010 #2
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