Preston Wheeler Oobleck falls through partially dyed water, viewed upside down and color-inverted. More information	Kerylyn Lay The umbrella instability is observed in liquid drops settling in a fluid of lower density.Here, food dye falls in water. More information	Ryan Kelly Dye falling through water at low Reynolds number exhibits the Rayleigh-Taylor 'umbrella' instability. More information	Douglas Schwichtenberg Food dye falling through water exhibits the Rayleigh-Taylor umbrella instability. More information	Gregory Lundeen A falling stream of 'Royal Purple' synthetic motor oil penetrates into water. More information
Hamed Yazdi Air bubbles cling to the walls as food dye falls through dish soap. More information	Dyed Feet Anthony Johnson Dye falling through water illustrates the Rayleigh-Taylor instability. Here it is sideways, color-reversed and mirrored. More information	Alyssa Berg Gold ink beads up in a vegetable oil layer, then falls through and mixes with water below. More information	Jennie Jorgenson Dyed water droplets in oil act as lenses, imaging their neighbors. More information	Planet Oil 3 from Flow Visualization @ CU Boulder on Vimeo. Joshua Lester Hot oil slides over water and balsamic vinegar (the Maillard effect), and is compared to a digitally warped version done in After Effects. More information
Andrew Tycksen Olive oil floating on water acts as a lens, magnifying and scattering light. More information	Peter Davis Water poured through olive oil creates bubbles large and small. More information	Alexander Ting A Mentos mint dissolving in soda water, viewed upsidedown. More information	Devin Ohmart Food coloring dissolves Alka-Seltzer powder, creating dark bubbles. More information	David Oakley A long exposure shows bubble motion in swirling flow. More information
Jacob Wright Bubbles formed by air rushing into a bottle of shampoo. More information	Jake Anderegg CO2 from dry ice bubbles up through a water and highlighter ink mixture, color reversed. More information	Nicholas Travers A soap bubble stretched across a wine glass is thinnest at the edge. Color-inverted image. More information	Ankit Sharma Some food dye remains at the surface after being dropped into water, and swirls. More information	Joshua Smith A stirrer created a vortex in a glass of water, visualized with a few drops of food coloring. More information
Nick Coate A vortex deforms the surface of dyed water in a wine glass, viewed from below. More information	Jeff Byrne A bathtub vortex dyed with highlighter ink. More information	Scotty Hamilton Burning gasoline is reflected in black tempered glass. More information	Remote Reignition from Flow Visualization @ CU Boulder on Vimeo. Guy Cassavan The smoke plume from a freshly extinguished candle contains enough fuel to conduct flame back down to the wick, reigniting it. More information	Nathan Amack Burning non-dairy coffee creamer powder. More information
Bring the Heat Nick Shearon A baseball soaked in acetone burns, clearly showing a blue reaction zone near the ball. More information	Jeremy Baugh A pool of nail polish remover burns in several stages. More information	A flame ignites gel hand sanitizer, which burns at low temperature. More information	Mitchell Stubbs Gasoline burning on a mirror in the snow. More information	Joshua Hecht The outer surface of a marshmallow melts as it burns. More information
Benjamin Pacheco E7 liquid crystal spreading over glycerin, viewed with a 20X, cross polarized microscope. The color indicates film thickness, and the dark areas correspond to specific crystal orientations. More information	Amanda Childress A wine glass filled with water acts as a lens, inverting the objects beyond. More information	Nick Beato Liquid soap drips down from two dangling strings of Mardi-Gras beads. More information	Colin Stewart Water is propelled upwards by a loudspeaker. More information	Ernesto Grossmann Worthington jet formation due to a water droplet impinging on a water pool. More information
George Seese Fluorescent diluted laundry detergent mixes with water after being poured in from 20 inches up. More information	Ice Bulbs Hayley Schneider Hard rime is formed by surface wetting and freezing by fine liquid particles. More information	Andrew Fish A jet of hot sauce impinging on a planar surface at an angle, a la Dexter. More information	Brayden Hass A buoyant plume of smoke spreads as it impinges on an angled surface, viewed upside down. More information	Travis Brown Time average of the smoke plume from a smoldering ball of toilet paper, showing a transition from laminar to turbulent flow. More information
Emily Howard Smoke plumes from trick (re-lighting) candles begin to transition to turbulence as they accelerate upwards. More information	Michael Chilton Droplts from an ultrasonic humidifier are estimated to be 76 microns in diameter. More information	Quan Li The jet of mist from a humidifier is cool and dense, and falls, inducing mixing. More information	Sam Sommers Cigar smoke exhaled to form a vortex ring and cloud. More information	Sreyas Krishnan Dyed oobleck on a loudspeaker was excited by a pulsed waveform. More information