Man with rubber gloves holds a magnet drenched and coated with ferrofluid, which envelops the magnet back and forth as he grasps it firmer
US paper money is printed with a ferrofluid ink as a counterfeit measure and it makes the bills magnetic.
TikTok video of colored Ferrofluid or magnetic liquid inside a glass bottle is also under the influence of an increasing magnetic field strength making it look like it multiplies rapidly like cells doing mitosis cell division, with suspense music added in the background.
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