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Speed of Lightning

  1. Oct 28, 2011 #1
    Hello! My dad reckons if you moved faster than the speed of light you would travel forward in time? Am I right in thinking this is ridiculous!
  2. jcsd
  3. Oct 28, 2011 #2


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    I'm sitting here on the couch hardly moving, except my fingers to type this, and I'm traveling forward in time...
  4. Oct 29, 2011 #3


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    Actually, FTL travel implies you travel backwards in time.
  5. Oct 29, 2011 #4


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    where does lightning come into this...?
  6. Oct 29, 2011 #5

    Simon Bridge

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    Most accessible description I've found:
    ... actually read all the parts. This one deals with causality violation and travel, yes, backwards in time.
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