Time Travel Possible?

I do think that in the future time travel will be possible( not the near future but in the future) Who knows maybe one day I will see someone who comes next to me and tells me that I am his great-great-great grandfather But if something like this happens I might start to think that I am in Terminator 4 or 5

Luky wrote:

I do think that in the future time travel will be possible( not the near future but in the future) Who knows maybe one day I will see someone who comes next to me and tells me that I am his great-great-great grandfather But if something like this happens I might start to think that I am in Terminator 4 or 5

Right? Kinda freaky to think about tho. If I could go back in time to before I lost my mother I could change so many things. The thought alone is enticing

There is also something else called "the grandfather effect"(I didn't put this name) This is the effect: If you back in time and kill your grandfather before he has children then you normally should disappear or seize to exit since you should have ever been born but that would mean that you should have lived in the first place to go back in time(since you murdered your grandfather) Anyway I hope you understand what I mean I am not to good at explaing things. That is why many scientists believe that if we will ever manage to go back in time we would go back to another dimension not in our real one in order to stop us from changing the course of history for example: Image what good it could have been if we knew what Hitler was going to do. We then could have stopped him from killing so many innocent lifes and a lot of other things just like this one.Also think about Stalin, World war 1, World War 2, The attack on Pearl Harbor and many many other bad things that happened in history.
I only hope that someone has the patients to read everything that I wrote

I read every word you said silly! But I still want to believe we could change it some how if we ever could go back.

Thank you for reading what I say and i hope that we will indeed be able to travel back in time someday although I am not sure that this could be a good idea if it is used in bad ways for example: What if someone gets back in time and knows all of the previous results on lotterys and in this way he knows what to bet and so he will win lots of money.Of course this is a harmless way of cheating but I am sure that people will find ways to make any kind of good technology and turn it into something bad(This is the human nature) but I also know that there are good people as well who will always fight the bad ones and I am already way of the subject and this might sound like a novel or a movie but I think this is real and it happens all over the Earth.

i beleive whole heartedly in time travel.
*heh* even "cracked the code" so to speak.

its been a long time since i revisted the theory, ill write something up later (post) -
basicly it breaks time down by the min/sec to a whole number and you can see the "wave" pattern take shape.

i'd like to think it can happen, i would really make use of it

ive actually used it to "move between the seconds" as i call it
basicly turned a 30min trip into a 10min trip

I'd love to be able to time travel. But I don't think we ever will. I think its 6 billion years until the sun dies and destroys the planet, in that time, human kind would have gone through masses of amounts of Ice ages, disasters and stuff - maybe we wouldnt be able to carry our knowledge past these stages of the Earth and even if we could Time Travel, say in a few thousand years, why would we come here? And who knows what humanity would do to itself? Maybe its best if we dont. Dont you think?

I hope that made sense and I didn't go off the topic.

Time isn't constant, it's relative

In that sense, to travel through time is simply to travel slower (or faster) than those of your destination

Physicists think that all e'd need to do is go ito outerspace and go really fast around the earth for what'll be for thm 1 year and come back.
They'll have done 1 yea, not us

I watched this program called 'Time' last year I think it was, and it was fascinating, the guy on it thinks we will be able to time travel, bu there is no way we would be able to make that amount of energy.

Oh no you didn't come up in here talking all Star Trek smack , eh?

I think I'd love to believe it's possible to time travel. So badly actually, no matter what the circumstances.

Nessa wrote:

Oh no you didn't come up in here talking all Star Trek smack , eh?

I think I'd love to believe it's possible to time travel. So badly actually, no matter what the circumstances.

LOL! Not really. I like Stargate Atlantis and SG-1 better.

If people go back to the first human beings existing, they wouldn't hate them or save them because they have no clue WHO they are

Your ideas are interesting, but not very well developped, especially since you keep using the word "paradox" and not always in it's rightful sense.
I don't believe you read other posts either, but that's understandable

i would time travel back to wen i single lol move to franch and hunt caihlem down

lilacmoon wrote:

i would time travel back to wen i single lol move to franch and hunt caihlem down

Wouldn't that be fun?

I read somewhere that the most you could go back in time is to when the first time machine is invented. So you would not be able to see the dinosaurs....theoretically.

Nessa wrote:

lilacmoon wrote:

i would time travel back to wen i single lol move to franch and hunt caihlem down

Wouldn't that be fun?

would be heaps of fun lol

mkerv wrote:

I read somewhere that the most you could go back in time is to when the first time machine is invented. So you would not be able to see the dinosaurs....theoretically.

That's interesting, do you remember where you read that?

lilacmoon wrote:

Nessa wrote:

lilacmoon wrote:

i would time travel back to wen i single lol move to franch and hunt caihlem down

Wouldn't that be fun?

would be heaps of fun lol

I completely agree..I'd love to snatch some one up myself hun.

I'll try to find it, it was a while ago I read it.

In the section on Wormholes, it kind of explains it.
I can't find the exact text, but i did find this...

source: Time Travel Research Center -Turkey/Denizli


Throughout history, physicists have been discussing the plausibility of time travel. The theory of relativity allows for time travel into the future, going at high speeds returning to earth only aging slightly compared to your peers. Einstein's theory is a theory of space and time, it should be no surprise that black holes offer, in concept, a way to travel through space and time as well. Since it is possible in concept only, it does not mean that it has been achieved as of yet. Black holes are the product of a collapse of a massive star that has such an extreme gravitational force that it keeps light particles from leaving its surface, making the star practically invisible. Black holes act like a one way street, only allowing objects to fall into the black hole but nothing can escape from its gravitational pull. In the 1960's a mathematician from New Zealand, Roy Kerr said, that if a black hole is rotating a singularity forms in the shape of a ring. In principle, it would be possible to dive into such a space and through the ring, to emerge in another place and time. The "Kerr Solution" was the first mathematical example of a time machine. Nobody took Kerr's idea seriously until the 1970's when astronomers discovered what seemed to be real black holes in our galaxy and the hearts of other galaxies. There is an interior tunnel in the exact Kerr solution of the Einstein Field of Equations, but it is unstable. The slightest disturbance inside would seal it off and turn the tunnel into a physical singularity which would allow nothing to pass through it.

White holes are practically just like black holes in the way they are formed. The difference is that, in white holes, objects are pushed away from the center, unlike black holes which engulf objects not allowing them to escape their gravitational force. Therefore, black holes and white holes must be connected in some way, theorists believe they are connected by worm holes. If this is true, the way that this system would work is that the object would be pulled in through the black hole and shot through the wormhole at a speed close to that of light and then at the end the object would be pushed out through the white hole in another area in space. Antigravity is a force that is opposite to gravity, instead of attracting all objects, it repels them. This works kind of like when two protons come in contact with each other. Wormholes are theoretical objects in space. Wormholes are tunnels that connect two areas of space. Theoretically, black holes and white holes are connected by wormholes. Therefore, the black holes suck objects in and then are spewed out of white holes in another area in space. The tunnels that connect the two holes are called wormholes.


The traveling through the wormhole will cause you to emerge into another universe. The problem with emerging in this new world is finding a way to get home. The only way to get back to where you came from is by finding another black hole that will cause you to emerge in an area in the place which you left from. Otherwise there will be difficulty in returning to your home.


What is needed for time travel is an object that is massive enough to create distortion of space-time. Today's great physicist Stephen Hawking has already discredited the possibility of creating time machines. Although Stephen Hawking is a great physicist, his thoughts of time travel being impossible have been discredited by an Israeli researcher, Amos Ori. Ori found a flaw in the argument put forward by Hawking, claiming to rule out any possibility of time travel.


Physicists look more deeply into general relativity for details concerning time travel. In these areas of astrophysics and cosmology, the existence of black holes and wormholes is the only place to look for a mathematical or any type of equation to the existence of these celestial bodies. Cosmology is the study of large scale structures, the composition and evolution of the universe. Astrophysics is an older type of astronomy that uses the theory of relativity, along with other attributes to help explain certain occurrences in the universe.


The main purpose of Einstein's theory of special relativity was to establish the similarities of the reproduction of light and the validity of the physical laws in all frames. Galileo felt that time was constant at all times throughout the universe and Lorentz felt that when an object is moving it makes time move at a slower rate than that of the stationary clock.


Einstein proved that time can seem to travel at different speeds, the speed at which the time seems to travel all depends upon the state of motion of the observer. Einstein said that a clock in a moving laboratory would seem to tick slower than a set of clocks in a reference laboratory.


When discovering how wormholes are created, it was practically common sense. Gravity pushes matter together, creating singularities to close the wormhole. But the wormhole would be able to stay open, if a form of matter gives off a negative pressure which had antigravity associated with it. As Newton's third law of motion states, any object that comes in contact with a force an equal and opposite force will be distributed. This third law proves that if a wormhole would exist in the universe, that it would not be closed shut because of the equal and opposite force given against it. Since wormholes are the connectors of black holes and white holes, there is an equality being created at each of the two ends. The amount of force that the black hole is forcing onto the wormhole the white hole absorbs and distorts into another area in the universe. Therefore this existing system works in a complete equilibrium.


One of the problems with time travel in the past is called the "grandparent" paradox. Suppose that you are back in time and kill your grandparents before they have any children. By doing this do you eliminate your own existence? Doing something of that sort is forbidden, and in a sense you would have no free will since you are not "allowed" to kill your grandparent then. Paradoxes limit the free will of people since they are not allowed to kill their grandparent due to the laws of causality. Causality refers to the power, by which one event causes another. It has been believed that some kind of connection is necessary between the cause and the effect of events. The study of causality has centered, in part, on trying to discover and define this connection. It is easy to see how one can make a time machine if one will consider the "twin paradox" in special relativity. If there are two people, one is in a fixed position and the other is moving at a high speed relative to the person at the fixed position. Each of the people have a watch in their hands, the person moving at a high velocity's clock will seem to be moving relatively slower compared to the person just standing there. This occurs because of the time dilation in special relativity.


We are all time travelers in one sense, or another, simply by the process of aging. We are all moving towards our future, according to decisions we make in the present and made in the past. As for today's world time travels might be allowed theoretically, but real ones are still science fiction.


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Time Travel Theories

Forward Time Travel
Physicists agree that forward time travel is, in fact, possible. Einstein’s Theory of Relativity provides that the faster one moves, the slower time goes relative to the earth. The implications of this allow for forward time travel. If one could move close to the speed of light, then one might orbit the earth for what would seem to be only a few hours. The time in orbit might actually be several years on earth. This theory has been tested using atomic clocks, extremely accurate clocks. Two clocks were set to the exact same time, and one was flown around the earth on a jet traveling at high speeds (no where near the speed of light mind you). When the jet landed, the clock that had been stationary was slightly ahead of the clock that had been traveling.

The problem seems to be that, as of yet, scientists do not have the means to make matter travel anywhere near light speed. Furthermore, this only works in one direction; if someone were to use relativity as a means to travel to the future, that person would have no way to come back.



Backward Time Travel
Backward time travel has become a big topic of discussion. Physicists disagree about whether or not backward time travel can actually exist within the laws of physics and how it might exist. There are several different theories as to how time travel to the past might actually work.


Black Holes
Black holes represent one theory. Most black holes come to a point, called a singularity, at which all matter that enters them is destroyed beyond recognition. However, there is a possibility that another type of black hole exists. This kind, called Kerr holes, rotate preventing the creation of a singularity. Therefore there is a chance that these black holes could pull matter through to the other side pushing it out through a white hole (which is essentially a black hole in reverse). Once through a white hole one could find himself in a parallel universe or, potentially, in the past. But the theory of black holes being used in time travel presents two serious problems. No Kerr holes have been discovered. Even if Kerr holes do exist, there is a chance that they might still destroy all matter that enters them: “Anything attempting to enter and exit a black hole will be sucked in and destroyed before it even reaches the singularity” (How stuff will work).



CTCs


Another theory suggests that closed time-like curves (CTC) could aid a person in traveling back in time. A CTC is essentially a time loop, and it could theoretically allow a person to travel back and encounter his ancestors. All that person would have to do is wait get back to the beginning of the time loop. As with most other methods for backward time travel, there is wide debate about whether or not the laws of physics allow for the creation of CTCs. Stephen Hawking, one of today’s leading physicists, asserts that physics and nature “would either prevent CTCs from forming or destroy any would-be time traveler who approached.” Furthermore, CTCs would only enable a person to travel back as far as it was created. This means that if I were to create a CTC today, I might be able to travel back to today five years from now, but I would not be able to travel back to 1787 to see the Constitutional Convention.


Wormholes
The most promising theory for backward time travel involves using wormholes. Wormholes allow matter to move through them faster than the speed of light. Time, therefore, changes within a wormhole: “Time could behave in strange ways inside a wormhole.” Wormholes could allow a person to traverse long distances in only a matter of seconds. They even could allow him to travel into the past. Kip Thorne points out, "A single wormhole…could have time hook up towards the future or towards the past and…you can actually manipulate the wormhole to change how time hooked up" (Nova). Wormholes have two mouths which are, in essence, twins. Scientists could therefore use the twins paradox to enable a person to travel back in time. If they sent one mouth of the wormhole into space at light speed and kept the other end on earth, then, by simply stepping through the wormhole a person could travel to yesterday. However, as with most time travel theories, wormholes only can reach back as far as they were created. Furthermore, wormholes usually only last a few seconds. They would need to be held open using negative energy to allow for a person to safely travel through it. Even if these problems were solved, yet another problem presents itself; in computer simulations in which wormholes are used to travel back in time, every time the wormhole approaches the point at which it might be used as a time machine, it explodes. However, scientists have yet to develop the theory that might unite Einstein’s theories of relativity and of gravity with quantum mechanics—quantum gravity. Quantum gravity may provide the solution to the problems with wormholes—on the other hand, it might not.



Time travel to the future is clearly possible as it is in accordance with the laws of physics. Whether or not backward time travel is a possibility remains to be seen. Unfortunately for fans of time travel science fiction, most theories involving backward time travel only allow for time travel after the point at which the first time machine is created. Furthermore, the theories have holes in them that may never be resolved. For the time being, fans of time travel science fiction will have to content themselves with novels and with movies.

However, as with most time travel theories, wormholes only can reach back as far as they were created