Care to elaborate on the calculations? Different atoms weigh different amounts, sending things to different distances in time would likely require more energy than other distances, so giving one answer (10 billion times) is bullshit, let alone whatever calculations your friend used.
I'm sure you already know this, but to clarify for others:
Keep in mind wormholes are theoretical too. Even if they do exist, it may not even be possible to travel through them as well.
As for the entire concept of time travel, I like to keep an open mind. We don't fully understand everything on our own planet, let alone the entire universe (and don't forget about multiple universes either), so anything is possible at this point. But it's an amusing thought isn't it?
I'll also throw out another thought for you, time travel through existing in a higher dimension.
There are reasons for the fact that time travelers never come to Earth. For example, earth could have been long forgotten by the time time traveling becomes possible. It is all speculative, but the fact that reasons could exist rules out your argument.
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Anonymous2007-01-18 7:54
THIS IS LIKE THE GOD ARGUMENT
THERE IS NO PROOF THAT TIME TRAVEL IS POSSIBLE TO BEGIN WITH, SO THERE IS NO NEED TO DISPROVE IT
That's a great flash animation, have seen it before but it's good to watch a few times :] Thanks for the discussion, anyway
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Anonymous2007-01-18 15:30
you're kinda stupid, if they travel'd back in time and rose caution they would again travel back in time to alter or cover it up,
a REAL question is if you tried to go back intime to kill yourself/your gradnda do you make yourself immortal or what
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Anonymous2007-01-18 16:20
>>44
Mindboggling.
0. Dot
1. Line
2. Flat object
3. 3D object
4. 3D object in time
5. ?
6. ?
7. All possible timelines for our universe
8. ?
9. All possible timelines for all possible universes
10. All possible timelines for all possible universes is a dot here. Post over.
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Anonymous2007-01-18 17:16
>>48
Nothing special would happen; you just wouldn't be born when whatever your year of birth is came around. There isn't anyone checking to make sure that each atom's individual timeline is self-consistent and consistent with every other's.
>>49
You don't get it at all. Not that it matters - if you didn't notice, that site acknowledges that this is not the fully scientific explanation. In the absence of that, this is totally useless.
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Anonymous2007-01-19 16:34
>>40
Did said guy say what he based those calculations on?
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Anonymous2007-01-19 16:36
Stephen Hawking may be quite intelligent, but he's probably a fool when it comes to time travel. Just guessing.
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LordRiordan2007-01-19 19:18
Time Travel = Christianity
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Darsawl2007-01-20 15:26
A rabbit stands at one end of a parking lot and a lamp post on the other. Without using distance or speed words or concepts and in 50 words write how the rabbit will get to the lamp post while trying to prove time.
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Darsawl2007-01-20 15:58
Didn't even bother I see. Well the reson this problem seems impossible to solve is because it is. TIME is a Concept, Speed is a Concept, Distance is a Concept. Don't belive me rephase that problem anyway you want it will still be impossible. Argueing about time travel is silly when there is no time to travel in.
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LordRiordan2007-01-20 16:18
There is no time, only a series of reactions.
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Anonymous2007-01-20 17:42
>>55
Rabbits, parking lots, and lamp posts are concepts, too. For reals, they're just lumps of matter with no physical demarcation.
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Anonymous2007-01-20 18:06
>>33
I've been wondering. How exactly can you tell?
Or is my 4chan-fu just not strong enough?
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Anonymous2007-01-20 19:25
>>58
The 4chan-fu thing, though he was wrong on the first one. Believe me or don't; I know for a fact that I was one of those posts and not the other.
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Anonymous2007-01-21 13:41
Just because we don't have time travelers doesn't mean time travel isn't possible. There are two obvious possibilities,
1) By the time we learn to travel through time, we've forgotten where the earth was(Unlikely, as we could simply travel back in time, find our own ridiculous wave pollution spread throughout the universe) or
2) The human race has a finite existence, and we die out before discovering time travel.
Even if we discover how to travel through time, maybe we don't last long enough to reach and expose time travel in the relatively minor span of time encompassing our own experience.
Of course, there's always the possibility that any such discovery would end the universe, and thus, as beings existing in a universe that hasn't ended, we simply didn't do it.(yet)
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Anonymous2007-01-21 19:13
1) Do you have any idea how big the universe is? In terms of the effect matter and energy leaving the earth that would not have otherwise, humans don't even perceptibly exist.
2) Obviously, we have a finite existence. Seems like that we die before we discover it, since no one here has yet proved that there is a past to go back to. I know it's a nice idea, but so is God. These things don't gain credibility just because they make you feel warm and happy.
>Of course, there's always the possibility that any such discovery would end the universe, and thus, as beings existing in a universe that hasn't ended, we simply didn't do it.(yet)
PROTIP: The Universe doesn't end just because something happens that fails checks for temporal/logical consistency in your mind.
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Anonymous2007-01-21 21:02
Time travel is possible.. we have different timezones don't we? think people! think!
if you wanna travel in time just divide by 0
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Anonymous2007-01-21 22:03
>>62
Hey, why not just set your clocks forward/backward?
Subatomic particles can travel back in time...traveling back in time is just the reverse of entropy. If I pour a drop of ink into a glass of water, after time it will spread into equilibrium. In order for it to "travel back in time" it would need to somehow revert into the single drop at the top. Since this is HIGHLY imporbable, it is also HIGHLY improbable that time travel will occur. Time travel isn't impossible, i's just _improbable_.
Then again, time is purely relative, ay?
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Anonymous2007-01-22 2:58
How have you concluded that your example (which isn't a valid analogy, but I will humor you) is 'imporbable' but not impossible?
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Anonymous2007-01-22 7:41
If any of you guys actually followed through that 10 dimensional movie, you'd see that time travel is simple. You'd just have to be a 4 dimensional being.
For us poor 3 Dimensional idiots, however, that's probably not possible.
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Anonymous2007-01-22 23:06
Logically I came up with this:
Time is man made, its a messurment of movement. EI the full distance at wich the sun moves in motion. Its day time because of the position of the sun. ect.
Old clocks used the movement of various devices (pendulum and gears) to keep time.
Todays clocks use crystal oscillators, wich still operates as the same principle as the old clocks.
the distance it takes an object from point A to point B and or back. May equal "time".
I can't really fathom and existing demension of "time" or an actual element of "time".
First of all, "movement", or, you know, the more scientific term of velocity, is dependent on time, not the other way around. You don't experience time because you are moving, but you can only move because you experience time.
You *are* an idiot. Do you not state you are concluding something logically and then give your own unjustified and completely ridiculous ideas. Like 71 says, you have things the wrong way around, like saying something which is falling is causing it to have gravity, instead of saying something which is under the effect of gravity is falling as a result.
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Anonymous2007-01-23 10:06
err, >>67, rather. I need a keyboard with lights so I can see what I'm typing...
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Anonymous2007-01-23 11:41
As 3 dimensional beings we have a fixed movement through time that cannot be changed, but where we are moving can be. It could be possible to move backwards through time, or, in having our paths disrupted through a higher dimension than time, our paths could fall along far removed paths of time than it would ordinarily be. If we can control or alter our movement through the fifth dimension, time travel is possible.
But maybe, we already know how to do it. Has anyone ever considered that the reason for the lengthening lifespan of humans isn't better living conditions and medicine and such, but simply that we've been accelerating through time, skipping it, and having our natural existence in time extended.
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Anonymous2007-01-23 12:48
>>73
Oh, good. I thought someone was being mean to me for no reason. ;_;
>>66
PROTIP: That movie is not science. It even fucking says so at the end.