Top view of marked manufactured particles confined to a flower-shaped wall and placed on a vibrating horizontal table. Traces of the motion of a few particles are overlaid in different colors. Selected for an Editors’ Suggestion and for a Focus story in Physics.
From the article:
Velocity Distribution of a Homogeneously Driven Two-Dimensional Granular GasChristian Scholz and Thorsten Pöschel
Phys. Rev. Lett. 118, 198003 (2017)
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