A fog machine creates an unexpected ‘indoor cloud’, inspired by Berndnaut Smilde.

By William Vennard, Andriy Wybaczynsky, and Ian Durkin for Fall 2015 Team Third.
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A fog machine creates an unexpected ‘indoor cloud’, inspired by Berndnaut Smilde.

A turbulent jet from a fog machine impinges obliquely on a wall.

A cloud of stage fog in a floodlight

The normal field instability in a ferrofluid results from the concentration of the magnetic field by the fluid, restrained by surface tension.

DIY ferrofluid made from magnetic paint and vegetable oil.

A magnetic field induces ferrofluid to climb a bolt.

Magnets below a dish of ferrofluid induce the normal field instability.

The normal field instability of a ferrofluid in a magnetic field is disrupted by water colors injected below the surface. Inspired by Fabian Oefner.

Magnets below a dish of ferrofluid induce the normal field instability.

Magnets below a dish of ferrofluid induce the normal field instability.