The mesh, developed by a team led by an Indian American scientist at the Ohio State University, lets water pass through but not oil, thanks to a nearly invisible oil-repelling coating on its surface.Potential applications of the technology range from cleaning oil spills to tracking oil deposits underground."If you scale this up, you could potentially catch an oil spill with a net," said Bharat Bhushan Ohio Eminent Scholar and Howard D.

 A larger mesh net could be created for less than a dollar per square foot, according to researchers' estimate."In all our coatings, different combinations of ingredients in the layers yield different properties. The trick is to select the right layers," Bhushan said.He explained that certain combinations of layers yield nanoparticles that bind to oil instead of repelling it.Such particles could be used to detect oil underground or aid removal in the case of oil spills.

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