Scientists use X-rays to reveal clue about techniques da Vinci's used when painting 'Mona Lisa'
Fox News
Researchers who used X-ray equipment on the 16th-century “Mona Lisa" has gained new insights into Leonardo da Vinci’s painting techniques.
The research, published Wednesday in the Journal of the American Chemical Society, suggests that the famously curious, learned and inventive Italian Renaissance master may have been in a particularly experimental mood when he set to work on the "Mona Lisa" early in the 16th century.
The oil-paint recipe that Leonardo used as his base layer to prepare the panel of poplar wood appears to have been different for the "Mona Lisa," with its own distinctive chemical signature, the team of scientists and art historians in France and Britain discovered.
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