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| Do you believe"Time Travlers"could currently be in our midst? |
| Yes, why not, I'd rather believe the weird guy who furtivtly tells me hes from the future than think hes lying. Besides "Science Fiction usually becomes Science Fact" |
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48% |
[ 23 ] |
| No, its all a bunch of "Science Fiction" |
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51% |
[ 24 ] |
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| Total Votes : 47 |
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slowmutant
Templar Knight
Joined: Feb 14, 2008
Posts: 5121
Location: Ontario Canada
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 Posted: Wed Apr 30, 2008 2:41 pm Post subject: |
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A time-traveller (or temponaut) living in the distant past would either cause paradoxes all over the place or no paradoxes at all. In Micheal Crichton's Timeline, MC made it certain that what his characters were doing was not time travel exactly. It was described more as dimensionsal travel. The travelling to a place very much like the European Middle Ages our history knows, yet actually in some parallel dimension and not the literal chronological "past" at all. The science was way over my head as usual.
If I am the only version of me no matter where in time I go, I will cause no doublings or paradoxes. I can perhaps travel back just four years and when I arrive in 2004, I will have supplanted the 2004 version of myself. |
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POKEMONMASTER260
Toucan
Joined: Mar 07, 2008
Posts: 251
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| Posted: Tue May 06, 2008 2:37 pm Post subject: |
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| Well, my dad JUST got me a book about someone who thinks he found the science behind time travel, only I havven't read it yet, & I'm at school so I can't tell you the name. |
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Lavos
Snowy Owl
Joined: Apr 12, 2008
Posts: 145
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| Posted: Sat May 10, 2008 11:05 am Post subject: |
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| Someone's been playong too much chrono trigger! |
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greenblue
¸.·´´¯`··.¸.·´
Joined: Mar 26, 2007
Posts: 7332
Location: Home
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| Posted: Sat May 10, 2008 3:49 pm Post subject: |
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| Scorpio82 wrote: | If time travel was possible, the last thing we would have to worry about are paradoxes.
This is because if anyone's tried to change the past, it's already happened. All the changes time travelers would've ever made would have made up the present as it is today.
Everyone talks about going back in time to kill Hitler, but judging on how things turned out, odds are more likely they went back in time to put him in power. |
or you could create another reality and when going back to your time, either you go back to your own and it was like you never went there or you would be trapped in the new reality you created. (Parallel universe)
Kinda like if you kill your grandfather you still exist and when going back to your time, nobody knows you, you have no ID and stuff like that. (kinda like 'It's a wonderful life' with the time travel theme, that makes a good scifi story)
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We all dream; we do not understand our dreams, yet we act as if nothing strange goes on in our sleep minds, strange at least by comparison with the logical, purposeful doings of our minds when we are awake. -Erich Fromm |
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Deus_ex_machina
Mudliquor
Joined: May 20, 2006
Age: 19
Posts: 1413
Location: Australia
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| Posted: Sat May 10, 2008 7:05 pm Post subject: |
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http://en.wikipedia.org/wiki/The_Man_Who_Folded_Himself
Been there done that.
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"They do, but what do you think is on the radio? Meat sounds. You know how when you slap or flap meat, it makes a noise? They talk by flapping their meat at each other. They can even sing by squirting air through their meat." - Terry Bisson |
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Odin
Supreme Genius
Joined: Oct 13, 2006
Age: 22
Posts: 1884
Location: Moorhead, Minnesota, USA
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| Posted: Sun May 11, 2008 1:16 am Post subject: |
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| Encyclopedia wrote: | | Time travel would lead to so many paradoxes that many scientists think it ought to be impossible. Time travel is just so far beyond human experience that I have to admit the possibility that they just don't know what they're talking about. The laws of physics as we know them seem to have some loopholes that would allow someone to build a time machine, however, you couldn't travel back in time any further than when the machine was first completed. That could explain the lack of future tourists... |
A big problem I have with all the hypotheses about how backward time travel could occur is that they are based on General Relativity, which will eventually be superseded by a quantum theory of gravity. I will bet that hypothetical forms of backwards time travel that may be allowed by the mathematics of General Relativity are not actually possible in the real world and will be shown to not be allowed in a quantum theory of gravity. I doubt that wormholes are possible for the same reason.
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My Blog: http://selzshaven.blogspot.com |
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slowmutant
Templar Knight
Joined: Feb 14, 2008
Posts: 5121
Location: Ontario Canada
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| Posted: Sun May 11, 2008 11:04 am Post subject: |
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| Yeah, but What If ..? |
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Escuerd
Blue Jay
Joined: May 02, 2008
Age: 24
Posts: 97
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| Posted: Sun May 11, 2008 5:03 pm Post subject: |
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Forward: Yeah. Surely.
Backward: Probably not. |
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Escuerd
Blue Jay
Joined: May 02, 2008
Age: 24
Posts: 97
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| Posted: Sun May 11, 2008 5:04 pm Post subject: |
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| reika wrote: | I thought the Earth traveled faster than that!  |
I guess that depends on your frame of reference, eh? |
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pi_woman
Sea Gull
Joined: May 16, 2006
Age: 48
Posts: 229
Location: In my own little world
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Legato
Velociraptor
Joined: Jan 18, 2008
Age: 21
Posts: 423
Location: Utah, USA
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| Posted: Sun May 11, 2008 9:10 pm Post subject: |
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I have mixed thoughts on this subject...
Half of me says time travel can happen and that paradoxes are impossible to achieve. If person X invents time travel, and in the future person Y goes back to kill person X, that it would be impossible to kill person X - something would happen to person Y beforehand. Anyone who has travelled through time and makes a change... well that change has already happened and he's simply fulfilling the timeline. If anyone had travelled back in time prior to today in 2008, then we (as a people) would have encountered them and they would have already made their mark, even if they were from 2009, 2150, or whatever.
The other half of me says time travel is impossible because time is nothing but the human concept of monitoring and quantifying the change and movement of energy (see also: matter). Assuming there are multiple or infinite dimensions, if one were to travel interdimensionally to 1956, that would be a different dimension than ours and thus not affect the one we are in, regardless of the time traveller's perceptions.
If we are thinking matter\energy rearrangement such as say the Omega 13 of Galaxyquest (I'm aware of the movie's faults  ), then you would do nothing but set back the clock, and everything would be as it was - no one would notice. If you could protect yourself from the matter rearrangement, you would then be in a different part of the galaxy, as it is constantly in motion
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Though it may appear differently, I am wearing a monocle because I have a cat growing out of my eyeball. I sought medical attention. They lol'd. |
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Averick
Anarchic Aberrational Anathema
Joined: Mar 06, 2007
Age: 28
Posts: 1972
Location: Sorry, I'm no Jedi.
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| Posted: Mon May 12, 2008 10:18 pm Post subject: |
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| Totally! |
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Dokken
Pileated woodpecker
Joined: Oct 12, 2007
Age: 28
Posts: 198
Location: Merryland
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| Posted: Tue May 13, 2008 9:14 pm Post subject: |
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I'm black
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Ever wonder why fund managers can't beat the S&P 500? 'Cause they're sheep, and sheep get slaughtered. |
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slowmutant
Templar Knight
Joined: Feb 14, 2008
Posts: 5121
Location: Ontario Canada
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| Posted: Tue May 13, 2008 9:50 pm Post subject: |
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| I'm white. |
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Fnord
Metasyntactic Variable
Joined: May 07, 2008
Posts: 1515
Location: Pantopia
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