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Originally Posted by cjmarsh81
I think if you could teleport yourself you would not need to be able to break the speed of light. Then yes I think you would be able to view the pyramids being built. It is just a matter of distance between you and Earth.
For the second one of watching yourself. Yes I believe you could see yourself jumping, however there is only one of you. You are simply looking back in time.
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But how would you teleport yourself. You would have to send information from one point to another. This information also cannot travel faster than the speed of light so you end up back where we started, you can't wave then travel then see yourself waving. On another point, suppose you could travel faster than light. If you were to do this, the whole concept of causality breaks down and it is possible for an effect to preceed a cause. This is the basis for the postulate that you cannot travel faster than light, because we believe that causality is universal (but it might not be). So an observer wizzing past Earth faster than light might see the Earth explode before the evil alien spaceship in orbit fires the missile at us. I don't know about you but I think I need a Panadol
Leon