The “Normal Field Instability” causes spikes in ferrofluid.

The “Normal Field Instability” causes spikes in ferrofluid as the fluid concentrates a magnetic field. Two small bolts were placed above opposite ends of a bar magnet with both of the heads facing upward.

By Jeremy Parsons, Daniel Allen, Anna Gilgur, Jonathan Fritts for Spring 2013 Team First.
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The “Normal Field Instability” causes spikes in ferrofluid.

The “Normal Field Instability” causes spikes in ferrofluid as the fluid concentrates a magnetic field on a threaded bolt and flat washer.

The “Normal Field Instability” causes spikes in ferrofluid as the fluid concentrates a magnetic field on a machine nut.

Oobleck excited by a loudspeaker exhibits non-Newtonian behavior.

Oobleck excited by a loudspeaker exhibits non-Newtonian behavior.

Water-based paint is thrown upward by a loudspeaker, forming ligaments.

Stratocumulus, Colorado Sand Dunes, noon, March 29th 2013

Mountain wave clouds, February 20 at 2:12 pm in Boulder, Colorado.

Cirrus and cumulus clouds, February 19, 2013 at 5:15 pm, Boulder CO.

Mountain wave clouds, Boulder CO, January 19, 2013 at 5 pm.