It's About Time (April 2005 Encore)

Quirks and Quarks

There was a time when time was a relatively simple thing. People were born, grew up, grew old and died. Days, seasons and years past. Then along came Newton and told us there was nothing in the laws of the universe that forced time to march forward. And Einstein developed this further with the idea that time could be stretched or shrunk, depending on how you looked at it. Now physicists are looking at the nature of time itself.

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