A previously unknown portrait of a woman byhas been revealed in a high-tech look beneath another of his paintings, it was announced today.
Scientists used a new technique to peer beneath the paint of Van Gogh was known to paint over his work, perhaps as much as a third of the time.‘s “Patch of Grass.” Already it was known there was something there, likely a portrait of some sort.
Behind the painting, done mostly in greens and blues, is a portrait of a woman rendered in browns and reds.
The new technique is based on “synchrotron radiation induced” and is said to be an improvement on X-ray radiography, which has been used to reveal concealed layers of other . The new method measures chemicals in the pigments. Specifically, mercury and the element antimony were useful in revealing the woman’s face.
The work was done by researchers at University of Antwerp in Belgium, along with help from other institutions. – yahooin the the Netherlands and the