I'm a huge fan of Star Trek. The original series and Deep Space Nine, mostly--The Next Generation, was a bit too idealistic and blindly optimistic about human nature and the nature of peace, and Voyager had a great premise with lousy execution. Like any fan, I've got my favorite characters and episodes.
What made it all possible was Roddenberry's imagination, and his imagination included a new type of faster-than-light travel, called warp travel. This, in the imaginary world of Star Trek, worked by taking a chunk of the space-time coninuum, and warping it to where it was in a different dimension--subspace.
Apparently, this isn't quite so far-fetched as we all thought. Scientists are now saying that making such a breakthrough--the warp engine--is merely difficult, not impossible.
I have two words for that:
18 minutes ago