Abstract
Materials Science![Figure][1] A rose petal's textured surface effectively repels water. PHOTO: SHANNON KRINGEN/FLICKR Many textured surfaces commonly found in the natural world, such as a rose petal, repel liquids extremely well. Taking a clue from Mother Nature, designers have begun to routinely incorporate surface textures into products ranging from waterproof outdoor clothing to self-cleaning windows. However, under high humidity or pressure, liquid can infiltrate some textured surfaces and reduce their super-hydrophobic properties. Checco et al. used x-rays to probe the interface region between liquid and a variety of textured silicon surfaces to show that the specific structure of a textured coating affects how the coating fails. This strategy could facilitate the rational design of better water-repellent coatings. Phys. Rev. Lett. 112 , 216101 (2014). [1]: pending:yes
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