Magnetic Snake (IMAGE)

American Physical Society

Magnetic Snake

Caption

Alternating magnetic fields create snake-like chains of magnetic particles suspended in fluid. The snakes direct the flow of the surrounding fluid along their lengths, potentially leading to new methods to control fluids in chip-based chemical analysis. (Video clips of the snakes in action are available to journalists on request.)

Credit

M. Belkin, A. Snezhko, I.S. Aranson, and W.-K. Kwok

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