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"omniphobic" surfaces that can repel both water and oily liquids.
Cohen said that the shape of the omniphobic toadstools enables the weak surface tension to hold a droplet together, allowing liquids like pentane to form a sphere without collapsing.
To put it briefly, they are recently used in a large spectrum of fields, from paper to strong materials, from cosmetics to light alteration, to better food, self-healing or omniphobic surfaces.
The MIT researchers have shown that a combination of structure and chemistry can turn any surface omniphobic, says Weihua Ming, a professor in the nanostructured-polymers research group at the University of New Hampshire.
Water (dyed blue) and hexadecane (dyed red), an oil, bead up on an omniphobic surface, which repels all liquids.
"Successful development of omniphobic surfaces is a very exciting achievement" because such materials have a variety of practical applications, such as self-cleaning paints or coatings for windows, he adds.