<p>Kin-Ping Wong of Retina Pharma, Inc. in the U.S. proposes to test UV-resistant super-water-repellent silica as a coating for toilets, which could reduce the amount of water needed to clean the toilets after use and improve the surface sanitation of the toilets. The silica coating displays the same very high water repellency as the leaves of the lotus flower.</p>


Kin-Ping Wong of Retina Pharma, Inc. in the U.S. proposes to test UV-resistant super-water-repellent silica as a coating for toilets, which could reduce the amount of water needed to clean the toilets after use and improve the surface sanitation of the toilets. The silica coating displays the same very high water repellency as the leaves of the lotus flower.