June 21, 2011
Brief History of Geomagnetism, Polarity Reversals
Science 2.0, Science 2.0
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.
TAGGED: magnetism, earth's magnetic field, geomagnetic reversal