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Saving Face

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Saving Face

You may have heard recently that a chalk drawing on paper believed to be the only existing self-portrait by Leonardo da Vinci is in danger of fading away, unless scientists figure out how to restore it. The 400-year-old portrait is kept locked in a vault in the Royal Library of Turin, Italy, in an effort to preserve it until a more permanent solution is found. Meanwhile, Italian and Polish scientists have been busy working out how to save it. Following is a breakdown of the science behind the proposed restoration technique. If you can comprehend it, we'd like to hear from you. In fact, we'd like to hire you. Nick Graham has an old portrait in the attic that's in dire  need of restoration.  

Via [Science 20]

By Jorge Socarras

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