What we call 'time' is said to be divine time, where a second here is supposed to be a second everywhere else. It is assumed to have been imposed by God and also said to be the most mysterious thing in the whole universe. Then H. A. Lorentz discovered local time by accident. At once Einstein proclaimed it as 'time, pure and simple', whereupon Bertrand Russell too posed the question, 'what then is measured by a clock?' The author of this small book...
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Philosophy