In these days the speed of light seems as a very precisely measured number. But every measurement done to this day was only able to measure a round trip rather than a one-way speed of light.
Although there is no reason to think the speed of light should differ depending on the direction there is also no reason to think it should be the same.
The question is: Is it a problem for special relativity due to its light postulate?
The channel @dialectphilosophy thinks that due to this fact we can restore an absolutness of space but what does it mean? Let's find out in this video :)
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