Contact: Catherine Meyers
American Institute of Physics
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
Usage Restrictions: With proper credit
Related news release: Freezing water droplets form sharp ice peaks