Poles, Death, Vidia, Weed, West

The Spinning Magnet

Samira Shackle | New Humanist | 7th August 2018

An historian of magnetism explains how turbulence in the Earth’s molten core can flip the planet’s magnetic poles. “North moves to South and South moves to North. It takes thousands of years. During that time the field wanes to just a tenth of its usual strength. The last time the poles s…

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