Mona Lisa Mystery: Is Prado Copy a Da Vinci Try at 3D?

When placed side by side, Leonardo Da Vinci's 'Mona Lisa' and another version of the famous painting in Prado seem to form a stereoscopic, or 3D, image, though the researchers aren't sure if the painter-inventor internationally created such a pair.



via LiveScience.com http://ift.tt/1lHE7AH