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      CommentAuthoralsetalokin
    • CommentTimeOct 14th 2009 edited
     
    If these are magnetic monopoles, so are Halbach arrays.

    In other words, they aren't.

    Not in the sense that most scientists really mean -- fundamental particles with only one magnetic pole. So far, postulated by some consistent theories-of-everything but so far, undetected experimentally.

    Along with, Frank please note, gravitons.
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    Posted By: alsetalokin
    If these are magnetic monopoles, so are Halbach arrays.


    They may not be "true monopoles", but they are definitely different from Halbach arrays.
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    Posted By: alsetalokinIf these are magnetic monopoles, so are Halbach arrays.

    In other words, they aren't.

    apparently they are in a material called spin ice http://physicsworld.com/cws/article/news/40302
    • CommentAuthorefend
    • CommentTimeOct 15th 2009
     
    well, there is another article on BBC that states specifically that these are monopoles. and they produce a current. It has long been said that a monopole could lead to overunity. I wonder if there are any physicits who could put their dogmatic ideologies aside, think outside of the box to consider such possibilities? If we want to solve the worlds problems, we need to allow our minds to travel down new avenues, into unexplored territory to try to find ways to do things which were thought to be impossible. If humans had decided that something was impossible and gave up, we would never have invented airplanes.We desperately need to stop stop looking at COE as beyond question and constantly test and try to break these things.

    http://news.bbc.co.uk/2/hi/technology/8307804.stm
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      CommentAuthorAngus
    • CommentTimeOct 15th 2009
     
    I think you will find that these are magnetic monopoles in somewhat the same sense as holes in a semiconductor are positive charges. You can calculate as though it is true, but in fact they are a collective phenomenon involving many elemental entities of the material they are found in. They do not have a separate existence.
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    Posted By: efendIt has long been said that a monopole could lead to overunity.


    By the uninformed. Monopoles aren't incompatible with existing theory - it's actually surprising that they have not been observed.

    The spin ice 'monopoles' are not true monopoles. It's due to collective behaviour of stuff in a condensed matter system; div B is still zero everywhere in the system. Don't believe everything written about complex physics in the media, even on the BBC. It's best to understand something before you start talking about 'dogmatic' physicists.