Under magnet’s sway, fluids form simple structures

Droplets wiggle, split and coalesce into simple and dynamic configurations

SELF-ASSEMBLING  SCULPTURE  A dollop of ferrofluid under  the influence of a magnetic field can split and arrange itself into simple  droplets (left) and complex, warping formations (right).

Courtesy of Mika Latikka and Jaakko Timonen/Aalto Univ.

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