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Sundown Science
There Is No Such Thing as "Now" — and Physics Can Prove It
You have always believed in now, the single present moment you imagine the whole universe shares. Sundown Science spends almost two unhurried hours taking it from you, not with a trick but with ordinary physics. The same relativity that steadies the blue dot on the map in your pocket says that two people merely walking past each other on a sidewalk carry different presents, and out at the distance of Andromeda those presents come apart by days, then by centuries.