Archive for November, 2009
Having a blue Christmas!
Chemists Produce a New Blue!
Blue pigments of the past have often been expensive (ultramarine blue was made from the gemstone lapis lazuli, ground up), poisonous (cobalt blue is a possible carcinogen and Prussian blue, another well-known pigment, can leach cyanide) or apt to fade (many of the organic ones fall apart when exposed to acid or heat).
So it was a pleasant surprise to chemists at Oregon State University when they created a new, durable and brilliantly blue pigment by accident.
Read here:
http://www.nytimes.com/2009/11/24/science/24obpigment.html?_r=2
