Dutch nanotechnologists have developed a new material that is not only extremely water-repellent but also extremely oil-repellent. The newly developed material can be used as a water and dirt-resistant coating for screens of touch screen devices (Laihiu / CC BY 2.5). The box shows a microphotograph of the surface of the material (Susarrey-Arce A. et al) Water-repellent surfaces can be used as a coating for windows, obviating the need to clean them...
