Recently we showed you what happened when very old, yellowing varnish was removed from a 17th century painting. In just a few seconds a drab, discolored portrait was transformed into a vibrant work of ...
Detail from Pietro da Cortona's 17th century painting "The Triumph of David" at Villanova University (Lindsay Lazarski/WHYY) How does science play a role in restoring an elaborate 17th Century ...
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