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14th century painting and scientific inset

Plumbing the Depths of a Regal Red

Vermilion, used to depict luxurious red robes in oil paintings, degrades and blackens over time. Using pump-probe laser microscopy on a 14th Century painting from @ncartmuseum,  Duke scientists Jin Yu and Martin Fischer teased apart the chemical process of vermilion’s decay. https://advances.sciencemag.org/content/5/6/eaaw3136