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Old 26th December 2017, 12:30 PM   #256
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Join Date: Aug 2002
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Originally Posted by Bjarne View Post
And it still is, also in the new theory
Simple because the ruler is a propotional relativistic variant.
Exactly which ruler, Bjarne?

The point is that the faster absolute speed, the longer ruler.
The local observer will not see that, but an absolute observer will
If motion is absolute, then all observers are absolute. In an absolute motion scenario, the change of the "ruler" (whichever ruler you might be referring to) would be observable and measurable.

However, this is not what we observe. What we do observe is that all observers are local. In other words, we are unable to measure any change in our own "ruler". Instead, we observe that the "ruler" is changed in other motion frames (as in time dilation).

Experience is an excellent teacher, but she sends large bills.
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