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Toast
Dont know about anyone else but i beleve in time travel...


(youtube video)

http://uk.youtube.com/watch?v=oRWwI61so5Q

(items copied from Wiki)

http://en.wikipedia.org/wiki/Time_travel#T...ravel_in_theory

Some theories, most notably special and general relativity, suggest that suitable geometries of spacetime, or specific types of motion in space, might allow time travel into the past and future if these geometries or motions are possible.[9] In technical papers physicists generally avoid the commonplace language of "moving" or "traveling" through time ('movement' normally refers only to a change in spatial position as the time coordinate is varied), and instead discuss the possibility of closed timelike curves, which are worldlines that form closed loops in spacetime, allowing objects to return to their own past. There are known to be solutions to the equations of general relativity that describe spacetimes which contain closed timelike curves, but the physical plausibility of these solutions is uncertain.

Physicists take for granted that if one were to move away from the Earth at relativistic velocities and return, more time would have passed on Earth than for the traveler, so in this sense it is accepted that relativity allows "travel into the future" (although according to relativity there is no single objective answer to how much time has 'really' passed between the departure and the return). On the other hand, many in the scientific community believe that backwards time travel is highly unlikely. Any theory which would allow time travel would require that issues of causality be resolved. For example, what if one were to go back in time and kill one's own grandfather? (see grandfather paradox)

A pair of German physicists claim to have broken the speed of light - an achievement that would undermine our entire understanding of space and time. Albert Einstein won the Nobel Prize for Physics in 1921 According to Einstein's special theory of relativity, it would require an infinite amount of energy to propel an object at more than 186,000 miles per second. However, Dr Gunter Nimtz and Dr Alfons Stahlhofen, of the University of Koblenz, say they may have breached a key tenet of that theory. The pair say they have conducted an experiment in which microwave photons - energetic packets of light - travelled "instantaneously" between a pair of prisms that had been moved up to 3ft apart. Being able to travel faster than the speed of light would lead to a wide variety of bizarre consequences. For instance, an astronaut moving faster than it would theoretically arrive at a destination before leaving. The scientists were investigating a phenomenon called quantum tunnelling, which allows sub-atomic particles to break apparently unbreakable laws. Dr Nimtz told New Scientist magazine: "For the time being, this is the only violation of special relativity that I know of."




--------------------------------

The video makes more sence,

The device that scientists are building will make things travel BACK and FORWARD in time, ALTHOUGH this would only work if the divice is ON, so you will only beable to travel back in time if the device has been on..



Its hard to explain! but i pretty much think its mind blowing although i think it possible..

Peace! Jonny AKA toast.
fredman555
eistiens theory says the closer you get to the speed of light the closer you can get to actually travel in in time, forward or back seems semi-logical. the downside is the faster you go the more mass the projectile obtains, more mass means more power is needed from whatever is making it move.

Also, to support his theory, If you take 2 similer hand clocks, and put one on a space shuttle which circled the earth and the other which stayed on the ground. if you left the clocks alone, undisturbed for a good while and then checked both of them back on earth after the shuttle landed you would see that the clock on the spaceship is actually ahead of the one on the ground


Time travel makes my brain hurt, such as the Grandfather paradox which is simply that you travel into the past and murder your own grandfather before he sires your mother or your father, and where does that then leave you? Do you instantly pop out of existence because you were never made? Or are you in a new causality scheme in which, since you are there you are there, and the events in the future leading to your adult life are now very different? The heart of the paradox is the apparent existence of you, the murderer of your own grandfather, when the very act of you murdering your own grandfather eliminates the possibility of you ever coming into existence.

</nerdyness>
spence3020
QUOTE(fredman555 @ Aug. 18, 2007. 04:23 PM) [snapback]532101[/snapback]

Time travel makes my brain hurt, such as the Grandfather paradox which is simply that you travel into the past and murder your own grandfather before he sires your mother or your father, and where does that then leave you? Do you instantly pop out of existence because you were never made? Or are you in a new causality scheme in which, since you are there you are there, and the events in the future leading to your adult life are now very different? The heart of the paradox is the apparent existence of you, the murderer of your own grandfather, when the very act of you murdering your own grandfather eliminates the possibility of you ever coming into existence.

</nerdyness>

that just confused me soooooooooooo much.


i dont believen time travel whats happened has happened and thats the way it is
hypnox
IPB Image

Where to?


1850? Np. ;]
Toast
I beleve in a 4Th dimension biggrin.gif erm hard to explain
fredman555
QUOTE(spence3020 @ Aug. 18, 2007. 04:31 PM) [snapback]532113[/snapback]

QUOTE(fredman555 @ Aug. 18, 2007. 04:23 PM) [snapback]532101[/snapback]

Time travel makes my brain hurt, such as the Grandfather paradox which is simply that you travel into the past and murder your own grandfather before he sires your mother or your father, and where does that then leave you? Do you instantly pop out of existence because you were never made? Or are you in a new causality scheme in which, since you are there you are there, and the events in the future leading to your adult life are now very different? The heart of the paradox is the apparent existence of you, the murderer of your own grandfather, when the very act of you murdering your own grandfather eliminates the possibility of you ever coming into existence.

</nerdyness>

that just confused me soooooooooooo much.


i dont believen time travel whats happened has happened and thats the way it is

i just edited my post, read the thing about the clocks. technically we are doing time travel right now

EDIT--
Also, could you guys not spam this thread with silly jokes about time travel? this is a really intesting thread and i dont want anyone to fuck it up
Toast
I origonaly got the idea from a radio show in England (Tim shaws asylum Kerrang! 105.2) it was really interesting so i decided to research it.
hypnox
QUOTE(Toast @ Aug. 18, 2007. 10:33 PM) [snapback]532117[/snapback]

I beleve in a 4Th dimension biggrin.gif erm hard to explain

You believe in time? huh.gif
DespisedIcon
Any of you guys ever heard of John Titor?

http://www.johntitor.com/

He's a guy who started posting on time-travel-related message boards a few years back claiming he was from 2035 or something. Interesting stuff.
Toast
QUOTE
Any of you guys ever heard of John Titor?

http://www.johntitor.com/

He's a guy who started posting on time-travel-related message boards a few years back claiming he was from 2035 or something. Interesting stuff.



Cheers on it now biggrin.gif
rainydaze
It really is an extremely interesting theory, and to me it seems quite possible for time travel to occur.

But then it gets confusing because like the granfather paradox, changing something can cause completely different outcomes and then what happens? do things just disapear from modern times, or are they just unexplained, or, are there a bunch of parallel universes in which simple things have changed. And is it like a continuing cycle? for example if you were to go back to the same time you've already gone back to, could you see 2 of yourself?

Time travel is mind boggling, but still very interesting, and I would love to see them come up with a method.
DespisedIcon
With respect to the Grandfather theory, I think John Titor says that whenever you time-travel you create some sort of alternate dimension where the outcome does not effect the dimension in which you originate. I don't know if this is a physical dimension or what, but if it is it creates another interesting paradox: what if 2 dimensions collide in space?

TheDeadman46
damn it would be so cool to travel back in time
spence3020
QUOTE(DespisedIcon @ Aug. 18, 2007. 04:46 PM) [snapback]532136[/snapback]

With respect to the Grandfather theory, I think John Titor says that whenever you time-travel you create some sort of alternate dimension where the outcome does not effect the dimension in which you originate. I don't know if this is a physical dimension or what, but if it is it creates another interesting paradox: what if 2 dimensions collide in space?

from what he said he was born in 1998 i wonder how his "travel back in time" afected his past self such as has he met him etc
hypnox
That's an interesting theme, but it's all based on teories.
There's no actual prove of time travel or whatsoever.

And I hope that there will never be time travels, because everybody would abuse it and change timeline and we wouldn't even realize what's happening.
fredman555
QUOTE(TheDeadman46 @ Aug. 18, 2007. 04:52 PM) [snapback]532144[/snapback]

damn it would be so cool to travel back in time

no it wont. if you can hypothticly travel back intime say....20 years. a single interaction with anything or anyone around you could greatly effect your future.

Simply talking to your future parents could effect your age, looks, feelings and thoughts. and if those change, the choice of going back intime in the first place may change also which once again relates to the grandfather paradox
Toast
QUOTE
no it wont. if you can hypothticly travel back intime say....20 years. a single interaction with anything or anyone around you could greatly effect your future.

Simply talking to your future parents could effect your age, looks, feelings and thoughts. and if those change, the choice of going back intime in the first place may change also which once again relates to the grandfather paradox



Fred is spot on here, if it was possible it would be totally different than you may think and what movies have steriotyped it as. there would be some unexplained hich, Furthermore, i beleve that the matrix has; although proves a thourough point also makes people think in one direction. maby time is to delecate to change
fredman555
QUOTE(Toast @ Aug. 18, 2007. 05:05 PM) [snapback]532165[/snapback]

QUOTE
no it wont. if you can hypothticly travel back intime say....20 years. a single interaction with anything or anyone around you could greatly effect your future.

Simply talking to your future parents could effect your age, looks, feelings and thoughts. and if those change, the choice of going back intime in the first place may change also which once again relates to the grandfather paradox



Fred is spot on here, if it was possible it would be totally different than you may think and what movies have steriotyped it as. there would be some unexplained hich, Furthermore, i beleve that the matrix has; although proves a thourough point also makes people think in one direction. maby time is to delecate to change

it is very delicate.

using my example before about talking to your parents. If you do it the same day, that they decide to have sex to create you. chances are even bigger for you to be effected. Changing your mothers orfathers emotion may effect the type of DNA that is sent to the egg. so talking to your father and making him smile, frown or even delaying him by .5 of a second from when he was orignally supposed to have sex could change you, since it is completly random of what gametes you get from your parents, stalling it or forcing it ahead even by the slightest millisecond couldchange you.

and if they change you they obviously change everyone you ever interacted with in your life, like friends for example, maybe you changed to be come slightly more agressive and when that happens you were slightly meaner to your friend bobby, which eventually could lead to a fight between you 2 or it could change how bobby interacts with his friends and family which effect how they act with their friends and family, etc etc/

PS. thanks toast, this is just my kind of thing i read alot about it and watched tons about it on the science channel (yes i watch the science channel)
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