EARTH'S SHIFTING MAGNETIC FIELD: Earth's magnetic field is changing so quickly that researchers have been forced to update to the World Magnetic Model ahead of schedule. Developed by NOAA and the British Geological Survey, the model is widely used for precision navigation of devices ranging from nuclear submarines to the common smartphone. Your own phone may be affected. Find out how on today's edition of Spaceweather.com.
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Above: Earth's magnetic north pole has been accelerating away from Arctic Canada since 1900. [more]
