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The position of the magnetic north pole is officially changing. Why?
The complex motion of the outer core causes the magnetic north pole to shift tens of miles per year ... and users won't have to change anything for phone map apps to work properly.
Chip Chick on MSN1mon
The Earth's Magnetic North Pole Has Suddenly Shifted Towards Siberia, And Scientists Have Questions
They release a new edition of the World Magnetic Model (WMM) every five years. The tool is used by GPS systems and navigation ...