Tuesday, August 2, 2011

Is Time Travel Possible?

A recent news story, based on a research article about light signals, proclaimed time travel to be an impossibility. Here is my response:

Is Time Travel Possible?
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3 comments:

  1. StringAugust 3, 2011 at 2:50 AM

    "The greater the concentration of mass in a region, the more distorted space and time would become." Paul, a question, how does this relate to gravity? Or does it?

    Good article btw!

    ReplyDelete
  2. Paul HalpernAugust 3, 2011 at 5:38 AM

    Great question! Thanks! Gravity represents the amount of distortion. Regions with strong gravity have high warping, making anything in that area travel along a curve.

    ReplyDelete
  3. StringAugust 8, 2011 at 4:16 AM

    ...and thus some velocity change as well?

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