Liquid surface tension plays an important role in life. Does granular liquids have surface tension? It is an open question although some scientists claim that the granular fluids display some phenomena resembling to liquids with zero surface tension.
References:
X. Cheng, G. Varas, D. Citron, H. M. Jaeger, S. R. Nagel. Collective Behavior in a Granular Jet: Emergence of a Liquid with Zero Surface Tension. Physical Review Letters 99(2007) 188001.
J. P. D. Clewett, K. Roeller, R. M. Bowley, S. Herminghaus, M. R. Swift. Emergent Surface Tension in Vibrated, Noncohesive Granular Media. Physical Review Letters 109(2012) 228002.
Feed: Science: Current Issue
Posted on: Friday, 14 March 2014 11:00 AM
Author: Elizabeth Pennisi
Subject: [News Focus] Water's Tough Skin
Surface tension is a force to be reckoned with, especially if you are small. Author: Elizabeth Pennisi
View article...<http://www.sciencemag.org/content/343/6176/1194.summary?rss=1>
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