Why ducks don't get wet

Wettability in three-phase flow is presented with an explanation of why surfaces that are non-wetting to water in the presence of oil can also be non-wetting (hydrophobic) in the presence of a gas.

[@imadudin2489]

from Gita Wirjawan subs.

[@RodinLikeTheFont]

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[@BoffyBlunt]

Many thanks for your kind words. No need for donations - the videos were made by Imperial College London.