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Laser Looks ­nder the Surface of Art

Non-destructive art scanning

The Crucifixion by 14th century artist Puccio Capanna undergoes non-destructive laser scanning that can reveal the structure and composition of different layers of painting.

Credit: Martin Fischer

Chemists have unveiled a technique that can get under the skin of paintings to provide a three-dimensional analysis of the old masters' works without causing any damage.

From Nature
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