I read an article recently on inertial dampening experiments that could lead the way to "cheating" our passage through space so as to effect faster-than-light travel eventually. In theory. Negative gravity. By "speeding up" time inside the field, outside time by comparison (relativity) is slowed down. So that the resulting movement reaches a higher than normal ratio of distance/time. So passage through space could become virtually instantaneous. Several prominent quantum physicists (including Michio Kaku) say that this could be possible within the next 50 years. And if the technological "singularity" predicted by Ray Kurzweil happens, it could be produced even sooner by A.I.