Ferrofluid

A ferrofluid is a liquid that will react to a magnetic field without becoming solid. Usually it contains small magnetic particles in a suspension.

Ferrofluid Media

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  Ferrofluid on glass, with a neodymium magnet underneath

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  Steve Papell invented ferrofluid for NASA in 1963

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  R. E. Rosensweig with ferrofluid in his lab (1965)

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  Ferrofluid is the oily substance collecting at the poles of the magnet which is underneath the white dish.

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  Ferrofluid simulations for different parameters of surface tension and magnetic field strengths

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  Macrophotograph of ferrofluid influenced by a magnet.

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  A ferrofluid in a magnetic field showing normal-field instability caused by a neodymium magnet beneath the dish