The Huffington Post -
2 Oct 2014 22:33

Leonardo da Vinci may have been called a genius, but that doesn't mean he never second-guessed himself. In a new book, optical engineer Pascal Cotte explains how a new imaging technology known as the layer amplification method (LAM) helped show that Leonardo painted two previous versions of his "Lady with an Ermine" masterpiece before settling on the version that we know today. One version of the 15th Century artwork didn't even include the ermine at all. "We've discovered that Leonardo is alway...
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