Liquid metal is forced through a narrow slit to form a two-dimensional stream. As it falls, it encounters a horizontal A.C. line current on the left of the picture, and is diverted towards the right by magnetic pressure. The deflection angle is well predicted by a straightforward theory.

(Photograph taken at MADYLAM laboratories, Grenoble, France)

For more detail see "Deflection of a stream of liquid metal by means of a high frequency magnetic field." Journal of Fluid Mechanics 194, pages 309-331, by J. Etay, A.J. Mestel and H.K. Moffatt.

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