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Magnetic Monopoles Detected

ScienceDaily (Sep. 4, 2009) — Researchers from the Helmholtz-Zentrum Berlin für Materialien und Energie have, in cooperation with colleagues from Dresden, St. Andrews, La Plata and Oxford, for the first time observed magnetic monopoles and how they emerge in a real material.

Results of their research are being published in the journal Science.

Magnetic monopoles are hypothetical particles proposed by physicists that carry a single magnetic pole, either a magnetic north pole or south pole. In the material world this is quite exceptional because magnetic particles are usually observed as dipoles, north and south combined. However there are several theories that predict the existence of monopoles. Among others, in 1931 the physicist Paul Dirac was led by his calculations to the conclusion that magnetic monopoles can exist at the end of tubes – called Dirac strings – that carry magnetic field. Until now they have remained undetected.

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  • moosl
    18 Nov 2010, 18:57
    Well I am sure Georgeanne knows the local crowd far better than I do, and what they might be likely to purchase.
  • moosl
    18 Nov 2010, 14:36
    Kiwi's sister, at whose home we're having the show, was strongly in favor of clock hands sweeping over body parts. She thinks it would sell well to the St Louis art crowd. I was initially putting the…
  • moosl
    18 Nov 2010, 14:05
    some of them are lovely photos, but the clock doesn't fit in well (e.g. kwan yin - there's no place for the clock to go). the chihuly tentacle is great in that respect, because there is a natural hub…
  • moosl
    18 Nov 2010, 12:48
    Geoff might well like to have this!! Some amazing pix came out of that day :) And I like the implied comparison of a clock=time with soap bubble=ephemerality... (is that a word??)

    It's pretty hard…
  • moosl
    16 Nov 2010, 20:01
    priceless :)
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