>>>One day the speed of light might be measured with a ruler and a clock. The next day, if the same measurement gave a different answer, no one could tell if the speed of light changed, the ruler length changed, or the clock ticking changed.
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>>What is relativity? It's related to a relatively relative relation.
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>"It's all relative, my dear Albert" - said Mr Marić, Einstein's father in law.

What was he trying to say. That Insanity is relative, i.e. it is caused by relatives