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Old 07-31-2008   #561 (permalink)
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Re: What is time?

Quote:
Originally Posted by ldsoftwaresteve View Post
What causes these standard events to take place? The interesting thing to note is that the 'standards' keep the same relationships. I don't think I'm making myself clear. Do we say that the standards are just our way of using entropy?
I'm not sure what you are asking, but I'll take a stab at it since no one else has jumped in...

My interpretation is that entropy explains the changes, but the regular ticking of clocks, radioactive decay and other events that we use for measuring time intervals are all dependent on one's inertial frame of reference, according to relativity. (If "regular" is what you mean by "standard") The thing that is "Standard" is the speed of light, in all frames of reference.
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