Sunday, November 13, 2011

Was Einstein Wrong? Is Instantaneous Communication Possible?

Einstein, in the Special Theory of Relativity, said instantaneous communication is not possible; you, according to him, cannot transmit information faster than the speed of light.  However, he gave an example of long scissors being closed and the intersecting point of the blades being able to move faster than the speed of light.  But perhaps there's another way of thinking of it.  If you can have long scissors, why can't you just have a long rigid rod stretching from Earth to Saturn with a bell on the end?  Wiggle it here and the bell rings there, instantly.  What's wrong with my thinking?

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