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2019-09-03: Is Earth's Magnetic Field Reversing?

  • 05:10: ... together produces Earth’s magnetic field through a process called the dynamo effect – or so most scientists accept these ...
  • 05:42: ... key is that the dynamo effect doesn’t really create a magnetic field from scratch – instead it ...
  • 10:18: ... simulations show that the dynamo effect should indeed produce a large-scale dipole field that spontaneously ...
  • 10:40: They simulate the dynamo effect in the outer core quite nicely, and even reveal spontaneous polarity flips.
  • 05:42: ... key is that the dynamo effect doesn’t really create a magnetic field from scratch – instead it amplifies, ...
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