The Dance of the Ferrofluid Droplets [Video]

A ferrofluid droplet on a superhydrophobic surface is subjected to increasing magnetic field of a cylindrical permanent magnet. This results in division into numerous daughter droplets that form different static self-assembled patterns to minimize their total energy. In the end, the magnetic field is decreased, resulting in relaxation of the conical daughter droplets into spherical ones.

[Robin Ras | Via IO9]

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