People are obsessed with time. Sun movement defined a day and its parts. Seasonal changes and the movements of stars helped to measure seasons. Records of time measurement started way before writing ...

Measuring time might not seem like that complex of a thing. After all, we rely on simply counting seconds between the "then" and the "now." But when you really start to break time down to the quantum ...

This post is in partnership with History Today. The article below was originally published at HistoryToday.com. If we think of time at all it is as a dimension: something we travel through, an ...

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WE cannot measure time in that sense in which we measure other things. Time has been very happily denned as the great independent variable of all change; and it is by watching matter in motion, which ...