Superhydrophobic surfaces reduce the frictional drag between water and solid materials, but this effect is often temporary. The realization of sustained drag reduction has applications for water vehicles and pipeline flows.
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Hof, B. Water flows out of touch. Nature 541, 161–162 (2017). https://doi.org/10.1038/541161a
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DOI: https://doi.org/10.1038/541161a
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