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[Phys-L] Re: "moving clock runs slower" (yes)



JD wrote:

| Why do you "DEFINE" length to behave that way with respect to boosts,
| when you "DEFINE" length to behave otherwise with respect to rotations?

This is tantamount to the question: "Why do you adopt the kinematical model
of Special Relativity?"

I'll let Einstein answer both questions. Read his 1905 paper. Further, our
measuring instruments of length and time do follow the Einstein definitions.
No special "relativistically corrected" instruments are necessary.

Bob Sciamanda
Physics, Edinboro Univ of PA (Em)
http://www.winbeam.com/~trebor/
trebor@winbeam.com
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