The fields strength is now declining at a rate that suggests it could virtually disappear in about 2000 years. Researchers have speculated that this ongoing change may be the prelude to a magnetic reversal, during which the north and south magnetic pole swap places.
.. it's Bush's fault
13 posted on 05/13/2006 10:57:43 AM PDT by Donald Rumsfeld Fan
("fake but accurate": NY Times)