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TonyYuan
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[Mentors' note: Split from https://www.physicsforums.com/threa...w-that-the-speed-of-light-is-constant.986641/]
If I could provide you with a device to measure the speed of light, and the accuracy can reach 0.01 m/s, what would you do?somega said:I know the amazing thought experiment by Albert Einstein with the two light clocks.
(The observer at the train station has a light clock and the person in the train.)
It's amazing because you can even deduce the formula to calculate how fast the clock in the train goes.
But this experiment requires the knowledge that the speed of light is constant.
(So I personally would never have come to this thought experiment.)
I wonder if there is another thought experiment that shows that the speed of light is constant?
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