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[bleese]

Noble 1 wrote...

tcn-talon wrote...

I always kind of thought the theory didn't mesh with practical application anyway.

Say, for the sake of example, that on Earth we observe an FTL ship leave Earth and arrive in another star system an hour later. It then turns around and comes home, arriving 1 hour later.

Aboard the ship, the trip took 1 hour there, 1 hour back. Everyone aboard aged exactly 2 hours.

On Earth, it took 1 hour for the ship to arrive at the distant star and 1 hour to get back. Everyone aged exactly 2 hours.

Whatever the math Einstein came up with might say, I tend to believe reality would remain intact and everyone would age at the same rate. Sometimes the universe obeys common sense more readily than logic.

This could be true if time dilation hadn't already been demonstrated and confirmed by testing...Science stomps all over common sense, and it's the height of narcissism to believe that the universe behaves a certain way just because it's easier for us to understand it.
 

It's all about relativity. As the ship leaves, the people on the ship would observe no time difference, however, once the ship stops accelerating they will notice that the time on earth for them has changed. Earth would be moving slower (or possibly moving backwards at FTL speeds). To the people on earth, time on earth is normal, but when the ship stops accelerating (but is still moving at a constant speed) people on earth would notice that the time on the spacecraft is slowing down or going backwards.

To each observer in their own frame of reference, time is moving normally, however, for an observer looking at someone else's reference point, time dialation occurs. Everything in relativity must be relative, (ie, comparing something to something else, in this case speed and time of one object to the speed and time of the other object). Also, before you state that both the earth and the spaceship are getting older then eachother (making a paradox), this would be true if the spacecraft wasn't accelerating and decellerating, which disturbs the laws of time dialation.

[The Grey Ranger]

You really felt the need to dig up a year old thread? I'm impressed by your powers of necromancy.

[twisty77]

Hey, this is a good thread to dig up. I wish more than anything that we could figure out a way for us to travel from one point in space to another instantaneously. Sign me up, I'll be the first to colonize. However, this likely won't happen in my lifetime. Maybe sometime in the next 300 years, yes. If we don't all kill ourselves by global thermonuclear war by then...

[xbeton0L]

I observed something interesting once when studying time dilation and the effects of gravity and velocity. Essentially, as velocity increases so does relative mass, and as mass increases time dilation slows. With gravitational time dilation, the closer to a massive object you are the slower time travels. This is also true when reaching high velocities. In space, atomic clocks run faster than they do on earth, although the difference in time is within nanoseconds <- regardless the difference is still there. It's also been observed in muons (electrons' unstable cousin) by accelerating these particles to nearly 1 trillion Gs (very close to c) in circular tubes, prolonging the lifetime of particles in the tube substantially.

First off, you have to consider time dilation already present on Earth which affects us now, not to mention time dilation effects within our bodies simply because we have mass also. Then you have to factor the difference of time dilation in empty space, while undergoing acceleration and deceleration as stagnant (constant) speeds show no significant difference in dilation. Not only that, but also the distance between yourself and your origin, and whether you're approaching the destination or leaving.

Lots of math. There's formulas you can find to determine all of the above, though I am too lazy to go and find it for you. Tell me the time dilation for 1,000,000,000,000 gravitational units, and you can factor how much faster you need to go to achieve FTL speed. I am most certain eezo would work wonders for improving thrust efficiency, and large but easily maneuverable ships. Wonder if there's any truth in mass effects.

[ILOSVI2]

If what the game says is true then its possible. Slightly more complicated but i suppose true. In order to surpass the speed of light or atleast reach it requires alot of energy.

So understanding basic laws of physics and principles of conservation of matter, the faster you go or the closer you get to the speed of light the more your mass increases to the point where it becomes infinite, but in order to become infinite mass you need infinite energy to move it therefore destroying yourself and the entire universe to achieve this....in which you wont achieve this.

So if this dark matter can really bend the fabric of space and warp the quantum foam thus making you appear weightless...about that of a photon or less, it could be possible to travel at that speed. Either that or have so much energy you could bend time and space and warp the quantum foam to your advantage.

i.e; take a map and draw a red line from point a to point b (pick anywhere). And lets say you where to conventionally travel, you would take up some sort of time to get there. But lets say for instance you took the map and folded the entire space between you and your target, what do you get? a huge leap in a small amount of time. You would need the ability to go beyond visible space and outside of this Universe to then re-enter someplace else......either that or the other theories related to this.

Point: You need a butt-load of energy to accomplish this, maybe the mass relay technology can accomplish it but.....we cant say for certain since this isn't a current science.

Hey, this is a good thread to dig up. I wish more than anything that we
could figure out a way for us to travel from one point in space to
another instantaneously. Sign me up, I'll be the first to colonize.
However, this likely won't happen in my lifetime. Maybe sometime in the
next 300 years, yes. If we don't all kill ourselves by global
thermonuclear war by then...

lol we are not Krogan twisty

Modifié par ILOSVI2, 10 janvier 2012 - 03:51 .