Time Travel
BenHurOber
Join Date: 2003-08-13 Member: 19640Members, Constellation
Join Date: 2003-08-13 Member: 19640Members, Constellation
in Off-Topic
<div class="IPBDescription">see your self in the future?</div> im sure some if not all of us thought of time travel before in some way, going in to the future to see your self and what not, but IMO i think it would be impossible to do so, heres my reason why (try to follow along with me) OK! if you jump ahead lets say 10 years, yes you would see the future but a future without yourself in it, why you ask? simple! you werent there to live out those 10 years so therefore you do not exist in that timeline. see my point? and say you wanted to go back in time, you would be able to, but it can not be changed in anyway cause it already happened and therefore must happen again no matter if you try to stop it. so yeah im done comments are welcomed (i always love to hear another persons point of view <!--emo&::nerdy::--><img src='http://www.unknownworlds.com/forums/html/emoticons/nerd.gif' border='0' style='vertical-align:middle' alt='nerd.gif'><!--endemo--> )
Comments
Although time travel forward could be faked by, say, being frozen for a while, although, like you said, it wouldn't really accomplish much, since you wouldn't actually have been doing anything in the meantime.
But mostly time travel is impossible because its a huge paradox. If I finished a time machine, and all of a sudden someone from the future warps in, and it turns out to be me from the future, and they wanted to destroy the time machine I had just made, there would be no time machine in the future to come back to stop me with. If we ever did get any kind of time travel, we would probably travel to the past of a completely different dimension that has the same setup as the one we are in.
Edit: If you want to get a completely trippy and awesome view on time travel, read <u>Slaughterhouse 5</u> by Kurt Vonnegut. Some pretty wild stuff in there, Vonnegut is an awesome writer.
Too many paradoxes. Anyway, as far as I know, the only way to travel in time is forwards, and that's to go flying around in circles at near light speed so that time dilation takes effect.
Did you know that photons do not travel on the time axis in the space-time-continum? Light do not age. (Or so do many physicists believe.)
Note: It's 1:30 am. The above post has not been proofread and probably makes no sense at all. Shoot me.
It would work something like teleportation, I'd assume, but that would probably kill you.
That aside, I think it's impossible to... ugh, man I am tired. If you're feeling slightly more energetic, search Time Travel in here and you should come up with a thread started by NightCrawler., my reply can be found in the midst of the babble there.
[edit] The link can be found <a href='http://www.unknownworlds.com/forums/index.php?act=ST&f=10&t=32227&hl=time%20travel&st=0' target='_blank'>here</a>. [/edit]
Note: It's 1:30 am. The above post has not been proofread and probably makes no sense at all. Shoot me. <!--QuoteEnd--> </td></tr></table><span class='postcolor'> <!--QuoteEEnd-->
Quantum Physics <!--emo&:)--><img src='http://www.unknownworlds.com/forums/html/emoticons/smile.gif' border='0' style='vertical-align:middle' alt='smile.gif'><!--endemo--> Every time you make a decision, you follow one path, while an alternate dimension is 'created' where you did the opposite of that decision; Say, you want to eat a hotdog, and you do eat it, then another dimension will be made where you didn't eat the hotdog. <!--emo&:)--><img src='http://www.unknownworlds.com/forums/html/emoticons/smile.gif' border='0' style='vertical-align:middle' alt='smile.gif'><!--endemo-->
Its a bit more complex than that, plus you need to add in all the theories on probability and our misconceptions of physics <!--emo&;)--><img src='http://www.unknownworlds.com/forums/html/emoticons/wink.gif' border='0' style='vertical-align:middle' alt='wink.gif'><!--endemo-->
Time travel, sure, I see it as being 'possible'. Fowards is easy, backwards... not so easy, or impossible. Forwards, as stated before, you just need to travel fast enough (about 0.99999c) and time dialation will be high enough to have some sort of effect <!--emo&:)--><img src='http://www.unknownworlds.com/forums/html/emoticons/smile.gif' border='0' style='vertical-align:middle' alt='smile.gif'><!--endemo--> Alas, there are problems with that theory aswell; Its the twin paradox all over again. Its all dependant on your 'Frame of Reference', it would seem to go fast for you and slow for the outsiders, but the same can be said for people outside your space-ship. But, Im not good enough nor really bothered enough to go into that much detail <!--emo&;)--><img src='http://www.unknownworlds.com/forums/html/emoticons/wink.gif' border='0' style='vertical-align:middle' alt='wink.gif'><!--endemo--> I'm sure there would be many websites on time dialation and the Twin Paradox out there <!--emo&:D--><img src='http://www.unknownworlds.com/forums/html/emoticons/biggrin.gif' border='0' style='vertical-align:middle' alt='biggrin.gif'><!--endemo-->
Too many paradoxes. Anyway, as far as I know, the only way to travel in time is forwards, and that's to go flying around in circles at near light speed so that time dilation takes effect. <!--QuoteEnd--> </td></tr></table><span class='postcolor'> <!--QuoteEEnd-->
"Ow, don't say that. It makes the brain baby kick"
"It's called a headache"
"IT HAS A <i>NAME</i> NOW?!"
It would work something like teleportation, I'd assume, but that would probably kill you. <!--QuoteEnd--> </td></tr></table><span class='postcolor'> <!--QuoteEEnd-->
Teleportation, of a human, might be impossible. The brain would get axed in the process, but teleportation of an object would be rather easy. If you take nano-tech, rip the object apart and send the nano-tech hurtling through the space, and rebuild it at the other end, then sure <!--emo&:)--><img src='http://www.unknownworlds.com/forums/html/emoticons/smile.gif' border='0' style='vertical-align:middle' alt='smile.gif'><!--endemo-->
Alternativly, using Replicators and 'images' of objects you could make another object at the other end aswell, or a brand-new one from a pre-existing image <!--emo&:)--><img src='http://www.unknownworlds.com/forums/html/emoticons/smile.gif' border='0' style='vertical-align:middle' alt='smile.gif'><!--endemo-->
As I tried to say in my previous post, time-travel is very possible. You do it all the time. (Hah. Pun intended.) Forward, that is.
The thing is: You have a constant combined velocity in all spatial -and- time dimensions. This velocity is c -- the speed of light.
So if you're not moving in any spatial dimension (x, y, z), you are moving with full speed in the time-dimension: c -- the speed of light. (If there are only 3 spatial dimensions, that is.)
This is why photons, who travel with c in the spatial dimensions, do not age: They do not move along the time-axis.
This is, of course, a bit simplified, and it's just theoretical physics yet. Nothing 'proven'.
Now for the backward-forward discussion: Would we be able to perceive moving backward, or would the flow of time be independent of our perception? That is: Would it be that we can only experience "forward", no matter how we are aligned in time?
Its a bit more complex than that, plus you need to add in all the theories on probability and our misconceptions of physics <!--emo&;)--><img src='http://www.unknownworlds.com/forums/html/emoticons/wink.gif' border='0' style='vertical-align:middle' alt='wink.gif'><!--endemo-->
Time travel, sure, I see it as being 'possible'. Fowards is easy, backwards... not so easy, or impossible. Forwards, as stated before, you just need to travel fast enough (about 0.99999c) and time dialation will be high enough to have some sort of effect <!--emo&:)--><img src='http://www.unknownworlds.com/forums/html/emoticons/smile.gif' border='0' style='vertical-align:middle' alt='smile.gif'><!--endemo--> Alas, there are problems with that theory aswell; Its the twin paradox all over again. Its all dependant on your 'Frame of Reference', it would seem to go fast for you and slow for the outsiders, but the same can be said for people outside your space-ship. But, Im not good enough nor really bothered enough to go into that much detail <!--emo&;)--><img src='http://www.unknownworlds.com/forums/html/emoticons/wink.gif' border='0' style='vertical-align:middle' alt='wink.gif'><!--endemo--> I'm sure there would be many websites on time dialation and the Twin Paradox out there <!--emo&:D--><img src='http://www.unknownworlds.com/forums/html/emoticons/biggrin.gif' border='0' style='vertical-align:middle' alt='biggrin.gif'><!--endemo--><!--QuoteEnd--></td></tr></table><span class='postcolor'><!--QuoteEEnd-->
*blinks and breathes slowly*
Gravity pulls you down...
Gravity pulls you down...
With all those "dimensions," wouldn't god run out of hard drive space?
Speaking of which I wonder what kind of gfx card he uses.
I think you broke the last of my sanity with that post. Argh, science, just can't take it. I know how you feel infinitum.
Time travel, sure, I see it as being 'possible'. Fowards is easy, backwards... not so easy, or impossible. Forwards, as stated before, you just need to travel fast enough (about 0.99999c) (...)<!--QuoteEnd--></td></tr></table><span class='postcolor'><!--QuoteEEnd-->
I'm sorry, but this is a common misconception. You travel forward in time as long as you do not exceed that 1.0000c speed-limit.
Traveling in near-c speeds "stretches" time for -some- observers. For other observers, time doesn't stretch at all. This is the field of special relativity.
However, this stretching would result in you traveling at the same-as-always speed into the future, while observers standing at the sideline, (not moving at your speed) would see that you move slower into the future!
Weird, huh?
Terry Pratchett refers to that concept as "the Trousers of Time". Whenever a decision is made, reality splits like two trouser legs. If you go messing around with the fabric of space-time (as often happens in a high-magic environment such as the Discworld) you might start going down the wrong leg by accident.
Traveling in near-c speeds "stretches" time for -some- observers. For other observers, time doesn't stretch at all. This is the field of special relativity.
However, this stretching would result in you traveling at the same-as-always speed into the future, while observers standing at the sideline, (not moving at your speed) would see that you move slower into the future!
Weird, huh? <!--QuoteEnd--> </td></tr></table><span class='postcolor'> <!--QuoteEEnd-->
Thats why I threw in all the added stuff <!--emo&;)--><img src='http://www.unknownworlds.com/forums/html/emoticons/wink.gif' border='0' style='vertical-align:middle' alt='wink.gif'><!--endemo--> The theory falls and crumbles in other places, but still, its been proven time dialation has 'some' effect (the atomic-clock experiment), but still, we dont know exactly what's going on <!--emo&;)--><img src='http://www.unknownworlds.com/forums/html/emoticons/wink.gif' border='0' style='vertical-align:middle' alt='wink.gif'><!--endemo-->
But, then, according to 'classical' physics, we can't reach nor exceed c, so I dont really get what you're trying to say about 'exceeding that 1.0000c speed-limit.' ? <!--emo&:(--><img src='http://www.unknownworlds.com/forums/html/emoticons/sad.gif' border='0' style='vertical-align:middle' alt='sad.gif'><!--endemo-->
A bit simplified, though.
So, you can't exceed c, hence you can't go past the point that 'reverses' timetravel. That was what I meant <!--emo&:)--><img src='http://www.unknownworlds.com/forums/html/emoticons/smile.gif' border='0' style='vertical-align:middle' alt='smile.gif'><!--endemo-->