I heard today on the news that some Australian scientist has come out and declared that time travel is possible. All that is required is trillions of dollars so that we can travel at 3/4 the speed of light. Interesting!
It got me thinking. I don't think time travel is possible theologically. It is one of two things that to me science will never resolve. Time travel requires unravelling the cosmic plan of God in terms of this universe and planet at least. Only God himself stands outside of time. Whether he can or would choose to move back in time is questionable. Whether he can is not to say he is not omnipotent; rather it is saying he may have limited himself in this regard to allow human history to play out i.e. he has subjected himself to the rule that he and no other agency can travel back. As the 'Back to the Future' movies demonstrates, to do so could possibly disrupt the time-space continuum and cause history to be rewritten. Would even God do this? Especially, when we consider predestinationary and foreknowledge texts which point to a world that in one sense is set (I don't think this preclufdes our freedom unlike a harsh Calvinist). So, they can spend their trillions if they like, attain extraodinary speeds, but I don't think they can do it! I hope in the interests of the poor that thye do not spend the millions trying!
The other thing science I don't believe will be able to do is create life or raise the genuinely dead. This requires sovereignty over life which is God's domain seen in creation, the revivications of the Bible attributed to God and not the agents (Elijah, Elisha, Jesus, Peter), the resurrection of Christ, and of course the future resurrection of the dead. Humanity is limited! Some stuff is God's stuff.
However, it is interesting to consider different viewpoints; check out http://www.pbs.org/wgbh/nova/time/. It has Einstein's view with Sagan's and others. See also http://en.wikipedia.org/wiki/Time_travel and http://www.lifesci.sussex.ac.uk/home/John_Gribbin/timetrav.htm.
What do you think?