John Whiteman // IV4

This image captures ferrofluid standing in a strong magnetic field.

India ink visualizes a Karman vortex street at Re=150.

A Karman vortex street in the wake of a cylinder in a flume, at Re=485, visualized with highlighter ink.

Wood, soaked in a baking soda solution, generates Lichtenberg fractals with the application of 1 kV, then bursts into flame.

Wood, soaked in a baking soda solution, generates Lichtenberg fractals with the application of 1 kV, then bursts into flame.

A buoyant incense smoke plume accelerates upward, triggering the Kelvin-Helmholtz instability.

Buoyant smoke from an incense plume develops secondary plumes, headed by vortex rings.

Smoke from an extinguished match rises slowly enough to remain laminar until it dissipates.

Glycerin fog from an e-cigarette was illuminated by sweeping a 500 mW green laser pointer beam.

A chef’s butane torch varies between a diffusion flame and a premixed flame, depending on the air mixed in.

Rubbing alchohol shaken in a jug and lit creates a premixed cellular flame.