16x9_vortex reversal image 011322x (IMAGE)

DOE/Argonne National Laboratory

16x9_vortex reversal image 011322x

Caption

Experimental snapshot of a Quincke roller suspension during a vortex reversal induced by a temporal modulation of the activity. Groups of particles with identical color represent flocks moving in the same direction.

Credit

(Image by Bo Zhang, Alexey Snezhko/Argonne National Laboratory.)

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