(American Chemical Society) Molten lava, volcanic ash, modern grime, salt, humidity. The ancient painting of a Roman woman has been through it all, and it looks like it. Scientists now report that a new type of high-resolution X-ray technology is helping them discover just how stunning the original portrait once was, element-by-element, which could help them restore the painting. The researchers are presenting their results at the 254th National Meeting & Exposition of the American Chemical Society.
from EurekAlert! - Archaeology http://ift.tt/2vWrhsT
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