![]() Where, then, did that light go instead?ĭepicting the light not as we see it-as one solid beam-but rather as a set of discrete rays, he charted the individual destination of each and every one, line by line. ![]() But, moving outward in any direction, he could see that the remainder of the ball was left in varying degrees of shadow, as if the light never quite came its way. ![]() The small portion of the ball’s surface that directly faced the candle was brightly lit. When darkness fell and there was no other source of light in the room, Leonardo lit the candle and lined up the three-candle, ball, and screen. But why a ball and a small screen, perhaps made of thick paper, or of simple wood? We know why the candle was on Leonardo da Vinci’s desk-to bring light into the darkness. ![]()
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