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Optics
“
He was always acting, always enveloping himself in artificiality, perhaps to conceal the volcano within.
”
― The March of Folly: From Troy to Vietnam
― The March of Folly: From Troy to Vietnam
“
54. Long before either wave or particle, some (Pythagoras, Euclid, Hipparchus) thought that our eyes emitted some kind of substance that illuminated, or "felt," what we saw. (Aristotle pointed out that this hypothesis runs into trouble at night, as objects become invisible despite the eyes' purported power.) Others, like Epicurus, proposed the inverse--that objects themselves project a kind of ray that reaches out toward the eye, as if they were looking at us (and surely some of them are). Plato
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― Bluets
― Bluets
