The direction in which fluid circulates in binary drops doesn't change when the drops are tilted, implicating gravity—not surface tension—as the driver of flow in these systems. Read More »
Simulations show that flocks hitting a wall disintegrate like brittle solids rather than splash like fluid drops. Read More »
Videos of shaking blue drops, oscillating flames, and dripping fluids win the top prize of the APS Division of Fluid Dynamics. Read More »
Experiments show that drops can form exotic shapes as they spread out on a surface if they are miscible with the surrounding fluid. Read More »
Oil drops falling through a layered liquid with ethanol at the top and water at the bottom repeatedly jump inside the fluid. Read More »
A spreading drop containing a mixture of two liquids breaks into fingers or spherical droplets, depending on the fluids. Read More »
The dramatic speed-up of fluid flow in a drying drop of a colloidal suspension controls the pattern of order and disorder in the particle stain that is left behind. Read More »
Animal figures made of salt, drops bouncing off cones, and flower-shaped films win the top video prize from the APS Division of Fluid Dynamics. Read More »
An improved version of a technique for folding tiny objects from a thin membrane uses a magnetic field to affect the shape. The membrane wraps around a droplet of fluid that distorts in response to the field. Read More »
No cause for alarm, but new simulations show that less energy than previously thought is needed to form a black hole in a particle collision. Read More »
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