Manufacturing Industry
Mimicking the lotus leaf to repel water, reduce friction.(OF MATERIAL INTEREST)
Advanced Materials & Processes, April, 2005
Another example of "technology transfer" from nature is reported by Ohio State University, Columbus, where Bharat Bhushan, Ohio Eminent Scholar and the Howard D. Winbigler Professor of mechanical engineering, is designing "super-slick, water-repellent surfaces that mimic the texture of lotus leaves." The leaves are waxy and covered with tiny, closely spaced bumps that keep water droplets from wetting the surface, so they just roll off.
[ILLUSTRATION OMITTED] Bhushan believes that the same texture could be exploited to develop self-cleaning glass (including car windshields) and to reduce friction between moving parts in micromachines, which can't be lubricated by conventional means. "In general," he notes, "what's good for water repellency is good for...
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