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Ancient mariners reveal tales from the Earth's core

Ship logs and pottery show how the geomagnetic field has changed.

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  1. GubbinsD., et al. Science, 312. 900 - 902 (2006).

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Harvard University

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On the geodynamo

Gubbins' home page

On the maritime records of geomagnetism in the Age of Sail, by Art Jonkers

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Ball, P. Ancient mariners reveal tales from the Earth's core. Nature (2006).

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