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watching paint dry isn't everyone's idea of fun but the university college london researcher now lou the super water repellent properties of this fate could lead to new tough self cleaning surfaces , now says the chemistry was inspired by nature , the surface of the paint is rough providence news thanks to two different sizes of titanium dioxide nanoparticles , such a fate could be applied to a variety of services including clothes paper glass and steel , the team say it could easily be scaled up for industrial use such as a pates because , the self cleaning properties they say could even be used in antimicrobial coatings to combat hospital infection