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Fluid dynamics

Water flows out of touch

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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Figure 1: Sustaining a superhydrophobic surface.

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Correspondence to Björn Hof.

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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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