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Reference Frames

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Posted by Harvey on April 5, 2002 15:15:00 UTC

Hi Aurino,

***But now Herr Einstein comes and says, oh, when an object moves along (x,y,z) an interesting thing will happen, its movement along the t axis will slow down. Now isn't that amazing? You blast a rocket through space and your rocket, besides moving along (x,y,z) at a certain speed, will start violating the rules of logic and move along the t axis at a speed that is less than 1 second per second!***

Are you referencing the special theory of relativity? The issue is one of reference frames. From your frame of reference time does not slow down whether you are on a rocket moving close to the speed of light or at rest. The laws of physics (including the passage of time) remain the same whether you are on the rocket or at rest (the equivalence principle). However, if clocks in other frames of reference are synchronized with the rocket clock prior to departure, then those clocks can be shown to be out of sync after returning from the journey. This phenomena is well-tested and used in modern satellite technology, particle physics, etc.

Is that what you are thinking is a logical contradiction? If so, then how can it be a logical contradiction if we are exploiting this fact of nature in various technologies?

Warm regards, Harv

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