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From: Y.Porat on 8 Jul 2010 10:10
On Jul 8, 6:13 am, Michael C <michaelcochr...(a)gmail.com> wrote:
> I just finished watching a show on the Science Channel about Stephen
> Hawking and the question of information being lost in a black hole.
> The next show is on time travel and whether or not time travel is
> possible.  I saw a show like this one before.  It might even be the
> same one.  Well, it got me thinking just now about time.  I think I
> finally figured out what time is.  A moment in time is a specific
> configuration of the universe!!  So if you want to go "back to" a
> certain moment in time, you can do so by changing the configuration of
> the universe to what it was at that moment in time.  For example, to
> bring people back to life, you'd have to reconstruct their exact
> bodies with their DNA sequences etc using the basic elements.  Does
> this make sense in theory?  It's like System Restore on a Windows
> machine - but you'd have to change the entire universe if you wanted
> to really go back to a certain moment in time.  I guess, you could
> just change the local universe and be happy with the results.  So yes,
> time travel is possible!!

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you cant go back in 'univeraal Time
because in order to do it
you must go back not only locally--
but you have to 'reproduce'
(restore)
**any*** (repeat any) tiny part of the
unive parts as they were before --
to be exactly relative to any other
tiny detail of the 'past universe'

iow
it is not enough to ' restore' only
*a part * of the universe

(or evn if are such many universe
it is much more impossible )


Time is nothing but - relative motion or translation --
to some (arbitrary chosen) - motion reference !!

Y.Porat
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