A friend of mine found out that this also holds for scales often used in psychology: https://eurekamag.com/pdf.php?pdf=004585649 …
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@Jerbivore this is interestingThanks. Twitter will use this to make your timeline better. UndoUndo
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Distance would not matter since the focal point is what determined the distance of the radius and therefore the perimeter. Factors change
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Radius is always 1- to the direction of motion never contracting
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Actually the observer from which u are trying to calculate length contraction is in an inertial frame and so everything should be Euclidean
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Things may be non Euclidean in the frame of the rotating observer, but I'm thinking about it, and it seems more complicated than this
End of conversation
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