“What is time? If no one asks me, I know what it is. If I wish to explain it… I do not know”, famously quipped Saint Augustine. Our modern understanding of time is more scientific than ever, and many of us likely do now think we know how to explain time. While impressively the Swiss atomic clock has a range of uncertainty of 1 second in 30 million years. But the time of physics is not real time. Time is not a mathematical abstraction, there is no line of time, and the present is not some indivisible zero-point on it.
Time is mathematical abstraction
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