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[QUOTE]Originally posted by Masao: [QB] Fructose 1: Gee...thanks. I stayed in school way too long. Actually time dilation can happen at any speed, but the effect is usually too small to be measured. I do remember that time dilation has been measured on earth with a jet (subsonic) cargo plane on a round-the-world flight. A pair of chronometers were synchronized before flight: one was put on a plane that flew (I think) around the world and the other stayed put. When the plane came back its chronometer was behind the other one. I didn't know about the TNGTM's comments about the use of space-time driver coil for impulse. That's interesting. But in truth I don't believe everthing the TechManual says. This thing about limiting impulse speeds to 0.25 c doesn't make any sense to me. Wasn't the whole rationalization for stardates (not the real reason of not wanting to specify the date) that it allowed accurate timekeeping despite time-dilation effects? Putting such a speed limit on impulse makes as much sense as limiting cars to less than 30 mph (48 kph) because higher speeds mess up our hair, in other words, no sense at all. On a related note: I don't understand how impulse drive works. The show seems to suggest that impulse drive is like a car engine: If you shut it off the ship comes to a complete stop. In the real world, rockets or other reaction drives would continue accelerating the ship as long as they operated. When a rocket is shut off the ship should continue moving at the same speed. Does the fact that starship behave like cars suggest that impulse operates more like warp drive? The fact that time dilation hasn't been mentioned shouldn't be taken as proof that it doesn't exist. I think it's just something that the producers didn't want to deal with. I don't know about the effects of warp fields on subjective time. In a ship traveling at the speed of light, time shouldn't pass at all such that you would feel that you had arrived almost instantaneously (ignoring time for accel/decel). I don't know what would happen when you go faster than light (maybe time goes backwards?). Anyways ships travelling at warp seem to have no time dilation, ie, time seems to pass at the same speed as in normal space. What sort of mumbo jumbo does the TNGTM have about this? [/QB][/QUOTE]
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