Mona Lisa PixelsLeonardo da Vinci once wrote in his art notebooks to protgs: Your shadows and lights should be blended without lines or borders in the manner of smoke losing itself in the air. Art scholars praise the Mona Lisa for da Vincis pioneering of this technique called sfumato, from the Italian fumo meaning smoke It was an achievement that gave the image a profound feeling of plasticity and three dimensional volume. Which was hard to replicate. But then, 480