A water drop is split into two smaller drops by a superhydrophobic knife in a superhydrophobic track. The video is slowed down by factor 4.

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For more information, please see: Mertaniemi H., Sainiemi L., Jokinen V., Franssila S., Marmur A., Ikkala O., Ras R.H.A., Superhydrophobic Tracks for Low-Friction, Guided Transport of Water Droplets, Advanced Materials (2011). [ Ссылка ]

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