id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
hindsight-41588		hindsight-41588		3	.pdf	application/pdf	1600	81	63	In Leonardo da Vinci, Walter Isaacson1 noted that da Vinci failed to paint the distortions that should appear if the orb was made of solid glass. Experts at the Museo Nacional Del Prado have recently questioned whether da Vinci, or someone he supervised in his Salvator Mundi by Leonardo da Vinci with the orb and optics in question in the lower right corner.	cache/hindsight-41588.pdf	txt/hindsight-41588.txt