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To: Moominoid who wrote (24984)11/4/2002 5:21:56 PM
From: Snowshoe  Read Replies (1) | Respond to of 74559
 
By chance I picked up that magazine at the airport earlier this year and read it on the plane. I've always been really puzzled about the periodic reversal of earth's magnetic field, and Herndon's theory has an explanation...

Moreover, such a reactor would vary in intensity— sometimes strong, sometimes weak, sometimes shutting down altogether— which could explain why Earth's magnetic field has periodically waxed, waned, and reversed through the millennia.

We may possibly be seeing one of those extraordinary moments in science when bogus speculation gives way to cause and effect reasoning. Such as when people quit blaming malaria on "a miasma arising from the swamps", and realized there were microbes involved.