Vertical soap film flowing past a rigid plate without (left) and with (right) a trailing closed flexible silk filament. Selected for an Editors’ Suggestion.

From the article:

Shape Deformation and Drag Variation of a Coupled Rigid-Flexible System in a Flowing Soap Film
Song Gao (高颂), Song Pan (潘松), Huaicheng Wang (王怀成), and Xinliang Tian (田新亮)
Phys. Rev. Lett. 125, 034502 (2020)

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