Snapshots of two-dimensional turbulent flow showing coherent structures, comparing experiment (left) and the corresponding unstable periodic orbit (right).

From the article:

Capturing Turbulent Dynamics and Statistics in Experiments with Unstable Periodic Orbits
Balachandra Suri, Logan Kageorge, Roman O. Grigoriev, and Michael F. Schatz
Phys. Rev. Lett. 125, 064501 (2020)

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