You can feel wet when you can see water and when you can’t see water. You can also feel dry even when there’s a lot of water vapor in the air – like during a fire.
Articles on Adhesion
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From capillary forces to sand grain shape, the simple mix of sand and water hides the complexity within.
How do a frog’s tongue and saliva work together to be sticky enough to lift 1.4 times the animal’s body weight? Painstaking lab work found their spit switches between two distinct phases to nab prey.
Top contributors
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PhD Student in Biomechanics, Georgia Institute of Technology
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Professor of Mechanical Engineering and Biology, Adjunct Professor of Physics, Georgia Institute of Technology
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Associate Professor of Civil and Environmental Engineering, Colorado State University
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Assistant Professor of Earth and Environmental Sciences, University of Texas at Arlington