A single equation can describe how fluids flow across a wide range of length scales, from ocean currents to swimming algae. The difference merely lies in the Reynolds number, says Julia Yeomans.
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Yeomans, J.M. Fluid flows on many scales. Nat. Phys. 17, 756 (2021). https://doi.org/10.1038/s41567-021-01258-4
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DOI: https://doi.org/10.1038/s41567-021-01258-4
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