Water Droplet (2 of 2) (IMAGE)

American Institute of Physics

Water Droplet (2 of 2)

Caption

The sharp tip of the ice drop attracts water vapor in the air, much like a sharp metal lightning rod attracts electrical charges. The water vapor collects on the tip and a tree of small ice crystals starts to grow.

Credit

Oscar R. Enríquez, Álvaro G. Marín, Koen G. Winkels, and Jacco H. Snoeijer, Physics of Fluids Group, University of Twente, Enschede, The Netherlands

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