By American Chemical Society —— Bio and Archives--January 20, 2020
Throughout history, people have sought vibrant blue pigments. The Egyptians and Babylonians used lapis lazuli 6,000 years ago. In 1802, a French chemist synthesized cobalt blue. More recently, in 2009 scientists discovered YInMn Blue, otherwise known as “Oregon Blue.” But most of these pigments have limitations in terms of cost, stability, color or toxicity. Now, researchers in ACS Omega report a new class of ‘cool’ blue colorants that are inexpensive, durable and more environmentally friendly.The Comment section of online publications is the new front in the ongoing Cancel Culture Battle.
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