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  • Duh. Even spatial reverse travel is impossible.
  • So wormholes are no good and traveling close to the speed of light will pretty much mean my birthday card to my nephew in Alpha Centauri will be late.

    How the heck do I make it to Ganymede for lunch without being cryogenically frozen for a few months?!

    At least we still have teleportation, according to the same guy in the original article of this thread.
  • Don't blame the scientist. They just call 'em like they see 'em.
  • Who would want to go back in time anyways? Isn't that where all of your bad memories are?
  • Who would want to go back in time anyways? Isn't that where all of your bad memories are?
    Someone isn't thinking about the big picture! I want my pet T-Rex, teach him how to fetch.
  • I thought this was covered in the equations of Special Relativity...
  • Time travel (at least backwards) is impossible.Bummer.
    I beg to differ:

    posted: 07 March 2007 09:01 am ET
  • posted: 07 March200709:01 am ET
    Put your calender a year forward. And some days of course.

    Unless you stole my time machine...
  • edited April 2008
    I hope someday we find a way to go back. If we went back and we gives gave them all the good tech and, then our normal time that we live in would be ten times better cause they would of have skipped right over fossil fuel cars.
    Post edited by Andrew on
  • i hope someday we find a way to go back if we went back we gives them all the good tech and our normal time that we live in would be ten times better cause they would of skipped right over fossil fuel cars.
    Then wouldn't we have that already?
  • Then wouldn't we have that already?
    Not if different time lines diverge.
  • So when they went at ludicrous speed in Space Balls, they were really travelling backwards through time... Hmm...
  • Ok, so maybe going to the past is not possible. But what about alchemy?
  • edited April 2008
    Ok, so maybe going to the past is not possible. But what about alchemy?
    Define alchemy.
    If you mean the transmutation of one element into another, it is possible. That is, given a sufficient supply of energy and elementary particles, I do not think it would be unheard of to break down and add to atoms until the desired element is created. This, of course, would also be extremely time consuming and dangerous, since it would involve long-term handling of radioactive material.
    Post edited by Linkigi(Link-ee-jee) on
  • Ok, so maybe going to the past is not possible. But what about alchemy?
    Define alchemy.
    If you mean the transmutation of one element into another, it is possible. That is, given a sufficient supply of energy and elementary particles, I do not think it would be unheard of to break down and add to atoms until the desired element is created. This, of course, would also be extremely time consuming and dangerous, since it would involve long-term handling of radioactive material.
    That is alchemy for me.
  • Win! No idiot humans can go back and mess things up any further by trying to make things better. Hitler, is/was here to stay, Mr Einstein!
  • To us in the present, everything in the past has already been influenced to the maximum extent it could have been by any time travelers, simply because it has already happened. Regardless of whether or not it HAS been influenced, the simple fact remains that it has already passed, and is thus unchangeable, at least in the perspective of us in the present.

    So, all time travel backwards is completely unnecessary (and as per the article, impossible), but time travel forward might be really awesome.
  • We cannot go to the past, but we can see the past. Just look up on the sky at night :P
  • So, all time travel backwards is completely unnecessary
    You think too narrowly. The value of backwards time travel is not influence, it's experience. Think photographs of the newly built Colosseum, disputing all the controversy surrounding Shakespere, and studies of our ancestral organisms. This sort of information is extremely beneficial.
  • edited April 2008
    So, all time travel backwards is completely unnecessary
    You think too narrowly. The value of backwards time travel is not influence, it's experience. Think photographs of the newly built Colosseum, disputing all the controversy surrounding Shakespere, and studies of our ancestral organisms. This sort of information is extremely beneficial.
    However, in order to make backwards time travel viable, one also needs viable forward time travel in order to return to the time of origin. If you have both kinds of time travel, forward time travel would be FAR superior to backwards time travel, because one could just travel forward in order to get the fruits of the backwards travel of the future instead, without the need for the invention of such items, being much more beneficial, with far less effort. This also enables us in the present to innovate upon future inventions and, in turn, recieve them from our future selves (AKA a time paradox where the "perfect" invention can be created and perfected with today's technology nearly instantaneously simply by thinking "I'll do this in the future"). I guess it would be cool to do those things in the past, but it would be much more beneficial to humanity to go into the future instead.

    Whatever. Any time travel, in any form, would be instantly my favorite thing ever, in all likelihood.
    Post edited by Σπεκωσποκ on
  • This also enables us in the present to innovate upon future inventions and, in turn, recieve them from our future selves (AKA a time paradox where the "perfect" invention can be created and perfected with today's technology nearly instantaneously simply by thinking "I'll do this in the future").
    I know I posted this video in the sketch comedy thread already, but it is so relevant to the last bit of what you said there. XD So I'll post it again for those who didn't see it before.

  • edited April 2008
    Win! No idiot humans can go back and mess things up any further by trying to make things better. Hitler, is/was here to stay, Mr Einstein!
    I know that paradoxes and other things make the application of time travel problematic, but I never thought I would meet the person who is glad that Hitler's legacy of killing millions of people must stay untouched. Just sick.
    Post edited by Kilarney on
  • edited April 2008
    It could be worse. He could have won. Easiest way would be to tell Hitler not to disregard Albert Einstein and his theories surrounding nuclear energy.
    Also, my statement was a reference to Red Alert.
    Post edited by Omnutia on
  • I know that paradoxes and other things make the application of time travel problematic, but I never thought I would meet the person who is glad that Hitler's legacy of killing millions of people must stay untouched. Just sick.
    Reminds me of this.
  • *duct tapes a coin slot to Omnutia's chest* 25 pence/reference!

    Anyways, in my opinion travelling back in time will be possible at some point. We however will never notice since the moment someone from the future interferes with our past it creates a new branch, effectively leaving our universe unchanged but having created an entire new dimension where x happens instead of y. Of course this universe probably already exists, so why bother going back in time to change stuff when you can just as easily establish a cultural exchange program with other dimensions.
  • I know that paradoxes and other things make the application of time travel problematic, but I never thought I would meet the person who isgladthat Hitler's legacy of killing millions of people must stay untouched. Just sick.
    Well, if he never killed all those people I may have never been born, nor any of us. In that way, I'm very glad he did. < /off topic>
  • I know that paradoxes and other things make the application of time travel problematic, but I never thought I would meet the person who isgladthat Hitler's legacy of killing millions of people must stay untouched. Just sick.
    Well, if he never killed all those people I may have never been born, nor any of us. In that way, I'm very glad he did. < /off topic>
    I'd rather not exist if that could save all those people.
  • How very holier than thou, for me though... I regard my life a lot higher than people I never met. Sure, it's unfortunate, but given the opportunity to either exist and have all those people die, or never be born and have all those people live, I'd choose my own life. Maybe not a very PC thing to say, but I'm honest. This is very off topic now.
  • So when they went at ludicrous speed in Space Balls, they were really travelling backwards through time... Hmm...
    They've gone to plaid!
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