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Title: Superhydrophobicity - The art of nature
Authors: Parida, Kulamani
Issue Date: Apr-2010
Publisher: CSIR
Abstract: “Human ingenuity may make various inventions, but it will never devise any inventions more beautiful, nor more simple, nor more to the purpose than Nature does; because in her inventions nothing is wanting and nothing is superfluous.”Leonardo da Vinci, 16th century.“LIKE water off a duck’s back” is a phrase that generally means unheeded criticism. But does water really roll of a duck’s back? Yes, it does, and this is what keeps the duck dry and its feathers in place even when it has been waddling in water for hours. How does that happen? Well, the duck needs to thank a phenomenon called ‘superhydrophobicity’ for keeping its feathers dry and clean.Superhydrophobicity is a high-sounding word that simply refers to the property of extreme non-wettability of certain surfaces. This interesting phenomenon gives rise to some of the most fascinating sights in nature. It also has several applications in daily life.
Page(s): 47-48
ISSN: 0036-8512
Source:SR Vol.47(04) [April 2010]

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