Eric Ruud wrote:
> I'm not so sure that's a good enough explanation for me....
> I mean, it's possible that "nature" will prevent the observation of
> but it's very possible that it can't. Which is a good reason for me to
> believe that it's much harder for people to send a message to the past
> it would be for God to give some proof of his own existence..
Who says the universe doesn't allow paradoxes? Time travel with paradoxes is actually a lot more consistent than any of the paradox-forbidden schemes I have seen. Of course, it makes the universe a pretty weird place once time travel is invented, but not any stranger than quantum mechanics. The only concrete objection I can see is that it violates conservation of energy - but so do most other versions of time travel.
Billy Brown, MCSE+I