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Droplet free surface near the contact line, 0.2 ms after impact. (a) Profiles after impact on Teflon at U0 = (1.20 ± 0.06) m s–1, overlaid onto a photo of water, where the contact line speed is ucl = (5.54 ± 0.25) m s–1. (b) Photos in the vicinity of the contact line for water (top) and Surfynol (bottom).
