Quote:
Originally Posted by Jarvamundo
But the source, splitter and the detector are in the frame no?
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Every piece of the device, every molecule, every atom and every sub-atomic particle is in it's own frame of reference.
Even if two particles are traveling alongside each other, they are still not in the same frame.
I'm guessing this is why a [hypothetical] Test Particle is assumed to be both infinitely small in size and mass...a true reference
point.