Sunday, August 13, 2017

Vapor harvesting gets the edge

Surface wettability has little effect on atmospheric water gathering, but edge structure is crucial.

​Water harvesting is an age-old technique of collecting atmospheric water vapor. Researchers are looking to nature to learn about the efficiency of surfaces used to collect the vapor.

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Image: Water droplets form on a surface: the edge matters more than the surface wettability.
© 2017 KAUST