Liquid Magnet: Stirred, not Shaken
Liquid sodium agitated gently in a rotating tank can significantly amplify a magnetic field. The experiment is the first step toward demonstrating a self-sustaining field in a low-turbulence fluid, which may be analogous to Earth’s core. Attractive tangles. A supercomputer simulation shows magnetic field lines continuously generated and distorted by the Earth’s liquid metal core. Partially mimicki
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