Quote:
Originally Posted by sanctus
There is plenty of evidence of time dilatation. For example in accelerators you can "see" particles which have a half-life of a few microseconds in their proper time, but when they are moving quick enough it seems to us that they live much much longer.
The cause is I would say the fact that in special relativity there is the axiom that there is a maximum velocity (c) and that all massive particles can never move at that velocity.
Like any other theory special relativity is based on axioms. In case of special relativity the first is the one above and the second that there is no preferred system of reference.
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Hi Sanctus,
The particle half-life is an example that is analogous to the clock problem. The point of this question is to hear from others how time becomes a part of physical action in the universe. Time is not something for which mechanical type tests can be performed. It is not available to be contained, handled, or tested. It seems to me that the adoption of the idea that time is the property that is being altered is an unsubstantiated assumption. There is a theory, but it is not based upon empirical evidence resulting from tests that were performed on 'time'. Anyway, thank you for responding in a cordial manner.
James
