Quote:
Originally Posted by alainprice
They won't see the lights change at the same time.
Your problem is in saying the lights are synchronized. Who are they synchronized for?
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Also, you'll have to read a special relativity textbook.
The basic sections you need are the Lorentz transform, the relativity of simultaneity and a few paradoxes. Your answer is found in there.
Einstein goes on to consider a very long rod of length one light year and realizes that it can
t be perfectly solid, due to the fact that any distortions can't even travel at 'c' through the rod.