quote:
Originally posted by John Anderton
quote:
Originally posted by Volv
Like I said before, the effects depicted in Star Wars and Star Trek (in terms of travel, not the flashing lights) do not require travelling faster than the speed of light, by travelling at 0.999999999 times the speed of light you can reach any point in the universe within a couple of seconds at most (and that is real physics, and is actually possible). Although by the time you get there Earth would have aged many billions of years (although the people in the spaceship would have only aged the few seconds which it took) - Special Relativity
At 0.99999999*c you would take about 76 or so years to reach the nearest star so excuse me for thinking that travelling at the speed of light won't give us shit.
All we can use (for travelling at v->c) is to travel within the solar system quickly. If you want interstellar travel, you my friend need to travel faster than light. Warp travel 
Gogo Star Trek(ie) 
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Exactly! If it takes 8 minutes for light to get from the Sun to Earth, then it would take more than just a few seconds to go "anywhere" in the universe. Then you also have to factor in that it would be near impossible to get between 2 points in the universe without running into an obstacle, be it a planet, star or black hole etc. As for going back in time, I think that idea comes from the theory that time dilates for the object (in this case you), making two different time streams, that will never catch up. (seeing as light, by definition, can never go faster than the speed of light) But you would still be in the "current time" wherever you stopped ther journey
I think...
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