Sciences and Health

The Weirdness of Light and Matter


One of the beauties of classical physics is that it makes conceptual sense: electrons flying around atomic nuclei are like planets flying round the sun; the force (gravity) keeping the planets in orbit around the sun is the same as the force which made the apple fall on Newton's head; etc. But the physics of the last hundred years makes much less conceptual sense: twins can age differently depending on how fast they are moving; electrons are in multiple places at the same time;

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