Russian scientists create first 100% eco-friendly ink for color printing
Most color-printing is still harmful to the ecology because certain pigments in the ink contain toxic elements. Soya-based inks are seen as a more ecology-conscious option in printing, but Russian scientists decided to move away from the notion of the ink's composition towards how color is actually perceived.
Their breakthrough is a material that reflects light like a soap bubble: the color we see will depend on how thick the walls of a bubble are in that particular spot.
Read Full Story: https://www.rt.com/news/332625-new-eco-printing-in...