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Conceptual Physics: Space-time Travel

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Uploaded by on May 22, 2011

Paul Hewitt talks about what would happen to time as you approach the speed of light.

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  • How can I say what would happen to time if I could travel at the speed of light when time is an abstract phenomenon? You cannot hear it, you cannot smell it, you cannot grasp it but meassure it in a sense of "how long it has been since..."?

  • i don't think he explains enough, of why it happens

  • the end sounds like he's describing something from the twilight zone.

  • "So if I were to roundhouse kick you at the speed of light..."

  • so....?

  • i'm not sure i understand. if i'm contained within the centrifuge that exists inside the room of the centrifuge operator, how can i travel time? wouldn't this be equivalent to a fish in my fish tank swimming faster than the speed of light?

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