New Model 'Permits Time Travel'

[lewcos]

"You are missing the point when you say "because the tecnology has not yet been perfected." Perfected, WHEN? Next year, 1000 years, 1 million years, 1 billion years. If time travel worked, it wouldn't matter how far in the future it was perfected because people could then come back."<br /><br />Yes, but you are assuming that we aren't on the leading edge. <br /><br />If you look at us as the most advanced civilization in the universe, then we can not be visited by anyone. Once the technology is perfected once, then we could be visited.<br /><br />Everything has to have a first time and if there hasn't been a first time yet, it cannot be done.

 

[yevaud]

<font color="yellow">Everything has to have a first time and if there hasn't been a first time yet, it cannot be done.</font><br /><br />That's circular logic.<br /><br />Then according to the strictures of Logic, then nothing new will ever be accomplished, if it hasn't yet already been done once.<br /><br />Wasn't what I was saying. What I <b>was</b> stating was that there are numerous physical processes and paradigms that will forever remain out of our reach, even though they're theoretically possible. <div class="Discussion_UserSignature"> <p><em>Differential Diagnosis:  </em>"<strong><em>I am both amused and annoyed that you think I should be less stubborn than you are</em></strong>."<br /> </p> </div>

 

[astrophoto]

You make no sense. It doesn't matter who invents it or when, we would probably know about it by now because they would come back and visit our When. What you're implying is that once invented, you cannot go backward in time.

 

[lewcos]

First of all, my core belief is that once something has happened, it is gone forever, hence, no time travel is possible as there is nothing to go back to.<br /><br />But, who am I to say if there will be time travel or not.<br /><br />So, playing devils advocate with myself (I know that sounds dirty) , I am saying, if you froze the universe today, and looked everywhere, there is no time machine built anywhere - yet.<br /><br />But I think I understand your point - it is just making my head spin a bit.<br /><br />If time travel is possible, then nobody really ever dies because they can be brought back to life at any time by someone visiting their time.

 

[pl0p]

My belief is, that if everything is already there, but the state of things evolve towards a known state. Everything from the past is just matter that is now known and you can only alter the course of time in the present by specifying (observing) the state of something.<br /><br />What ponders me is how you would actually observe this past, from a personal perspective then, if you cannot create a device for multiple people too see that past.

 

[lowendfreq]

Some real good points have been raised guys, I am certainly no expert on this matter, but whats the point of time travel? Sure to <b>observe</b>, perhaps, certain events in the past, for curiosity's sake, but why else would you even want to? To create some perfect euphoric paradise where everything is good? Who defines good? Would the spec for paradise be re written everytime? Never ending...........

 

[valareos]

Watch butterfly effect to get an idea of a changing paradise

 

[kmarinas86]

Butterfly effects can cancel each other out.

 

[R1]

maybe as technology improves we will be able to travel back in time<br />but only a fraction of a second at first. <br />We managed to build a black <br />hole already here on earth, and it was small but it's only the beginning,<br />as a matter of fact I think it's the first hole we assembled, maybe after 3000 tries we will be building 5 pound holes.<br /><br />but that would explain why we dont see a lot of scientists from the future.<br />I mean the considerable future, like from the year 3,270,005<br /><br />it just won't be feasable or successful to mass produce and use reliably,<br /><br />once maybe but not not more than once, I mean then again maybe it<br />will succeed only once, and thats why we're here, because someone from<br />the year 50,100,005 (actually a man and woman) went back in time<br />(the couple referred to as Adam and Eve)<br /><br /><br /><br /> <div class="Discussion_UserSignature"> </div>

 

[serak_the_preparer]

<i>maybe as technology improves we will be able to travel back in time</i><br /><br />Gravity doughnut promises time machine by Mark Peplow (Nature)<br /><br />13 July 2005<br /><br /><i>This is where Amos Ori from Technion, the Israel Institute of Technology in Haifa, comes in. He says that according to Einstein's theories, space can be twisted enough to create a local gravity field that looks like a doughnut of some arbitrary size. The gravitational field lines circle around this doughnut, so that space and time are both tightly curved back on themselves. Crucially, this does away with the need for any hypothetical exotic matter.<br /><br />Although it is difficult to describe what this would look or be like in real life, Ori says the mathematics reveal that every period of time after the time machine was created would be somewhere in the vacuum inside the doughnut. All you need to do is work out how to get there.<br /><br />In theory, it should be possible to travel back to any point in time after the time machine was built, reports Ori in Physical Review Letters1. One slight snag is that he has not worked out how to generate the gravitational doughnut, although he has some ideas...</i><br /><br />Though this is not mentioned in the article, there is also another limitation on Ori's time machine. Not only is it restricted to accessing the past as far back as the machine's creation, and no farther, it also could not be used to reach into the future beyond the point where the machine is shut down. The machine's capability for travel into the future is not discussed in the article, but is implied by the same principles on which the capability for travel into the past rests.<br /><br />We will probably never be able to build such a machine. If the concept is sound, however, we might be able to someday travel to where nature has created something analogous. I wonder if - in this galaxy or in o

 

[Grok]

I think it was in Hawking's <i>Brief History of Time</i> that he discussed "Reverse Entropy Beings". These are beings that live in a world where things move from a state of disorder to order. He said that theoretically this may well be possible. If the idea of a big expansion is followed by a big contraction is true, then the matter would at some point be coming back together to for order and time would reverse. That's how I understood it anyway.

 

[grooble]

Did anyone see the Outer Limits where they invented a time travel? It destroyed society because everybody knew how things were going to play out before it happened, there was no surprise or learning or advancement or anything good anymore. Just mental chaos.<br /><br />Time travel is dangerous.