Answer by Acccumulation for A bar that appears straight in one reference...
Other answers have given more details, but I think that it's important to note that as Lorentz transformations are linear, any curve that is straight in one reference frame will be straight in another...
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Answer by KDP for A bar that appears straight in one reference frame appears...
Your calculations are basically correct, for calculating the angles between light rays going forwards or backwards.Angle $\beta'$ between the forward going light rays should indeed be smaller than...
View ArticleAnswer by WillO for A bar that appears straight in one reference frame...
In the lab frame, light takes longer to go from $A$ to $B$ than it takes to get from $B$ to $A$. There are (at least) two possible reasons for this: Either $\alpha>\beta$ or the apparatus is moving....
View ArticleAnswer by stuffu for A bar that appears straight in one reference frame...
You can not draw a picture where A=B and $\alpha$ and $\beta$ are different, or can you?So, therefore moving blobs of light can not draw lines inside a foggy spaceship cabin so that A=B and $\alpha$...
View ArticleAnswer by Michael Seifert for A bar that appears straight in one reference...
You have to take into account the difference between what is seen and what is observed. They are two different things in special relativity.What your eye (or a hypothetical high-speed camera) would see...
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A bar that appears straight in one reference frame appears bent in another?
Is there a relativistic effect at play that explains the following thought experiment, that I am unaware of?The apparatus depicted in the image has two straight bars in the middle emitting light from...
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