21.6 Coordinates in Motion

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So, are the clocks in the moving frame actually out of sync with one another?

Recalling that the “moving” frame can rightly consider itself stationary, what do observers in the “moving” frame think about the clocks in the “stationary” frame?

Is the lack of synchronization due to a failure with the synchronization procedure or would any synchronization method yield the same result?

From my perspective observing a moving frame, how would the asynchronous clocks manifest themselves?

How would our conclusions change if in the clock synchronization procedure we fired canon balls instead of light beams?