Extended Data Fig. 2: The impact of liquid jets on the hydrophobic surface.
a, Deflection of water jets from the superhydrophobic surface before (left) and after (right) abrasion. b, The change of angle (Δα) when water jets (at a flow rate of approximately 6 ml min−1) are deflected by the superhydrophobic surfaces before and after abrasion. Δα = αincident − αdeflected; Δα is plotted as a function of f micro. Inverted-pyramidal structures (w + l = 60 μm) on silicon substrates were used for this experiment. Data are mean ± s.d. from at least five independent measurements.
