June 21, 2011

Brief History of Geomagnetism, Polarity Reversals

Science 2.0, Science 2.0


AP Photo

If you're anything more than an infrequent stumbler to Science 2.0, then you will probably have noticed - if not, read - Helen's article on geomagnetic polarity reversals, which until recently has been floating in the top articles list.

Whilst it's a gallant attempt to understand the ins and outs of an incredibly complex and poorly understood process, there are a number of misconceptions that I thought would be a good idea to clear up. It's clearly a topic of great interest, because there are over 400 comments on the article.

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TAGGED: Magnetism, Earth's Magnetic Field, Geomagnetic Reversal