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Every year, the APS Division of Fluid Dynamics invites submissions of videos and posters that highlight the beauty and science of fluids. From among these, a panel of judges selects entries to receive the APS/DFD Milton van Dyke Award and the APS/DFD Gallery of Fluid Motion Award. These top-ranked winners will be published in the APS journal Physical Review Fluids in 2018. The video winners are listed below and the poser winners will be mentioned in the next issue of APS News. The full collection of submissions can be found at gfm.aps.org
Marangoni Bursting (V0020): Stunning patterns emerge when an alcohol-dye droplet evaporates on an oil surface.
Leidenfrost Wheels (V0052): Internal flows cause tiny liquid droplets levitating on a hot surface to roll around.
Spin Lattices of Drops (V0018): Spinning droplets interact with each other via surface waves, forming regular lattices.
Vortex Ring Collisions (V0037): When two vortex rings collide, they break up into smaller and smaller structures, eventually dissipating into a turbulent cloud.
Order and Chaos in C-Major (V0053): Fluid motion often involves the interplay of coherent structures and random processes.
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