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Molten Sodium Dynamo Experiment Models Earth’s Magnetic Field

Veritasium · Demo · 8 min · 2018 · YouTube title: Spinning Sphere of Molten Sodium
Why it's here

Cited as a visual example of dynamo flows and of the care needed when handling reactive liquid sodium.

What it covers

Veritasium shows an experiment from Prof. Dan Lathrop's lab with a spinning sphere of molten sodium, used to study how turbulent convection in Earth's core generates a magnetic field. It is a short demonstration of dynamo physics.