Surface splash
2,489 views · Published 20 November 2013 · 0:51 · Indexed 9 October 2026
Channel: Science News · 2013 · Science & Technology
Water droplets take longer to rebound from a smooth surface (top) than one with raised ribs (bottom). This ridged texture reduces the length of time that water touches a surface, helping it stay dry. The first clip shows the droplets moving at normal speed. The second clip shows the video at a quarter of its original speed. Courtesy of James C. Bird, Rajeev Dhiman, Hyuk-Min Kwon and Kripa K. Varanasi
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