> > Whoever's planning a trip back in time, by accelerating past the
> > speed of light, better stop by Einstein's place and tell him to
> > rethink his theory.
> >
> > I'm sure he'd appreciate it. :)

THROUGH the speed of light is not allowed
PAST is perhaps possible using tunnelling - but that's another story :-)

It is also, incidentally, apparently possible to time travel without
violating Einsteinian requirements by using "special equipment". One such
equipment is a cylinder with a mass about that of our solar system rotating
along its long axis such that the surface velocity approaches an appreciable
fraction of the speed of light. Space-Time is "dragged" by the rotating mass
such that it is skewed and the time axis becomes a space axis and some of
the space vectors become the time axis. You then travel along the "time"
axis as desired and then turn the machine off. I am NOT, despite what it may
appear, making this up ! :-)

Due to the specialist nature of the equipment nobody has made one yet :-)

I prefer tunnelling but nobody has seriously proposed it yet. They will.



        RM

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