Well, That About Wraps It Up For Time Travel

And wormholes in general.

Crap. Now, how are we supposed to get to Alpha Centauri to check on the plans which call for a new hyperspace bypass in our area?

Hitch a ride? :wink:

Eh, that was just one theory of possible time travel. There were a few more last time I read an article about it (in a reputable science mag, like New Scientist).