A few hundred years ago, determining whether a painting was created by a master like Rembrandt or a talented copycat depended only on the trained eye of an expert. Then, new tools like X-rays and infrared imaging allowed curators to see beneath the surface of a painting and analyze details invisible to the human eye.A few hundred years ago, determining whether a painting was created by a master like Rembrandt or a talented copycat depended only on the trained eye of an expert. Then, new tools like X-rays and infrared imaging allowed curators to see beneath the surface of a painting and analyze details invisible to the human eye.Computer Sciences[#item_full_content]