Heavy food dye dropped gently into a water vortex and viewed from the side forms cylindrical sheets instead of falling to the bottom.

By Matthew Bailey for Spring 2013 Team Third.
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Heavy food dye dropped gently into a water vortex and viewed from the side forms cylindrical sheets instead of falling to the bottom.

WD-40 injected into soapy water forms a cloud that sinks to the bottom.

Highlighter dye falling through tonic water exhibits the Rayleigh-Taylor instability, complete with umbrella formations.

An upside-down image of fluorescent detergent at the air-water interface.

Fluorescent blue paint dripped into an aqueous dish soap and bleach solution shows Marangoni flows as it vanishes.

A spinning egg pulls milk up due to the increased velocity and lowered pressure where the egg is wider.

Hand soap, a shear-thinning fluid, exhibits the Kaye Effect, bouncing as it hits an angled surface.

Hand soap, a shear-thinning fluid, exhibits the Kaye Effect, bouncing as it hits an angled surface, digitally duplicated.

Tonic water droplets from repeated spray bottle pumps coalesce on a plastic surface, illuminated by UV light.

A generic household spray bottle creates a swirling annular two-phase jet of tonic water, fluorescing in ultraviolet light.