Many surfaces found in nature possess sophisticated topographical structures which provide them with exceptional properties. Nano-structured surface of lotus leafs efficiently repel water, microscopic
[button href="http://www.nature.com/srep/2011/111122/srep00165/full/srep00165.html" color="lime_green" target="_blank" id=""]PDF[/button] E. Ivanova, V. Khanh Truong , H. Webb , V.A. Baulin, J. Wang ,