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Mind = Blown ... Video - "Through the Wormhole: is Time Travel Possible"

BekenzeBekenze
edited April 2012 in General Banter

Comments

  • ThailandTomThailandTom Veteran
    Time travel on paper is a very real posibility, but then try and do it right now with the tech we have, not gunna happen. We know very litte of blackholes, where they go hw they are formed etc. Like I said, n paper it works, do we have the resources, no! It is like comunism in Russia, it wokrs on paper but then put it into practice and kaboom
  • ZaylZayl Veteran
    We fully know how to travel into the future, it is just a matter of funding and technology. But is is by most theories possible. Traveling into the past is another matter, though.
  • ThailandTomThailandTom Veteran
    lol, funding the technology, it would be so so so much and so unpredictable that it is near enouhf insanity to attempt. On paper it is possible, but if it is so possible, why has anobody alive never even come close?
  • ZaylZayl Veteran
    @thailandTom we have to find the technologies to get close. As it is, we have the theories but are technologically a long ways off.
  • federicafederica Seeker of the clear blue sky... Its better to remain silent and be thought a fool, than to speak out and remove all doubt Moderator
    So Dr Who lied, then, huh?

    typical..... :rolleyes:
  • ThailandTomThailandTom Veteran
    hehe I love you federica...... strictly platonic love though ;)
  • personperson Don't believe everything you think The liminal space Veteran
    I heard an interview once with a serious scientist who was working on a type of time machine. If I remember it was using quantum something or other, superposition maybe, and spinning it in an endless loop? Anyway, the device once activated would then allow anyone from the future to use it to send only information back to the present, so we could get information from the future. He sounded sane and had a thorough explanation of how it could work, so who knows.
  • BonsaiDougBonsaiDoug Simply, on the path. Veteran
    Through The Wormhole is a pretty good series. The explanations of the science is presented in such a way that it's fairly understandable; even by clueless folk like me.

    And federica... don't forget that The Doctor is a Time Lord, so he pretty much makes the rules. Actually, makes them as he goes along. ;)
  • VictoriousVictorious Grim Veteran
    Time is the ultimate experience of Anicca.

    Just a thought. Nice video...
  • B5CB5C Veteran
    So Dr Who lied, then, huh?

    typical..... :rolleyes:

    Did you forget? The Doctor always lies.
  • still_learningstill_learning Veteran
    On another science program from NOVA and PBS. (I think it was with Brian Green maybe? ) Time and space was explained. While the laws of physics technically allows time travel in both directions, entropy is what keep our time moving in one direction only, and cannot be reversed. I don't fully understand entropy, but it seems we can only time travel into the future.
  • BekenzeBekenze
    NOVA is cool too. I saw a documentary (I think by NOVA) that was about string theory.
  • B5CB5C Veteran
    edited April 2012
    Your all are talking about "Fabric of the Cosmos? "
    http://www.pbs.org/wgbh/nova/physics/fabric-of-cosmos.html

    Don't give into String Theory or M Theory yet. It does explain how it could work, but it hasn't been tested nor proven yet. The only thing that supports M Theory is the math and that is all.

    "I don’t like that they don’t check their ideas. I don’t like that for anything that disagrees with an experiment, they cook up an explanation—a fix-up to say, ‘Well, it still might be true.'” ~ Richard Feynman on String Theory
  • DakiniDakini Veteran
    Isn't it the black hole = vehicle for time travel theory that was portrayed in that film, 2001, A Space Odyssey? 2001 has come and gone, and we're still firmly rooted in the present.
    While the laws of physics technically allows time travel in both directions, entropy is what keep our time moving in one direction only, and cannot be reversed.
    This is interesting. I thought time didn't "move" forward or backward, but that present, past and future exist simultaneously, and it's just our perception that makes it look linear.

  • B5CB5C Veteran
    Isn't it the black hole = vehicle for time travel theory that was portrayed in that film, 2001, A Space Odyssey? 2001 has come and gone, and we're still firmly rooted in the present.

    I don't remember that in the movie.
  • DakiniDakini Veteran
    edited April 2012
    I don't remember that in the movie.
    It was at the very end, where the guy gets sucked into a black hole, and pops out looking at a baby that I guess is supposed to be himself, and the monolith is right there with it.

    I think it really helps to read the book, in order to understand some of what went on in the movie.

  • B5CB5C Veteran
    edited April 2012
    Well the book and the movie was done at the same time as a co-project between Clark & Kubrick. You can't really guide which one is canon.

    Also note I don't remember the novel had a black hole as an explanation for the star gate sequence.

    *UPDATE* No black hole. You might have confused the black hole and the big monolith:
    "
    During his long approach, he gradually notices a small black spot on the surface of Japetus. When he gets closer, he realizes that this is an immense black monolith, identical in shape to TMA-1, only much larger. The scientists back on Earth name this monolith "TMA-2," which Bowman points out is a double misnomer because it is not in the Tycho moon crater and gives off no magnetic anomaly whatsoever.

    He decides to go out in one of the extra-vehicular pods to make a closer inspection of the monolith. Programmed for just such an occurrence, the monolith reveals its true purpose as a star gate when it opens and pulls in Bowman's pod. Before he vanishes, Mission control hears him proclaim: "The thing's hollow—it goes on forever—and—oh my God—it's full of stars!"
    http://en.wikipedia.org/wiki/2001:_A_Space_Odyssey_(novel)
  • DakiniDakini Veteran
    I haven't read the book, but my impression is it had some explanatory material in it. I don't remember all the details, but I thought it was fairly clear it was a black hole. Now I'm curious--I'll have to rent the film and check out the ending, lol!
  • B5CB5C Veteran
    I haven't read the book, but my impression is it had some explanatory material in it. I don't remember all the details, but I thought it was fairly clear it was a black hole. Now I'm curious--I'll have to rent the film and check out the ending, lol!
    In the film, the hole in Jupter are many many monoliths.
  • still_learningstill_learning Veteran
    As I understand it, a black hole is a collapsed star takes up very little "space" or volume, but is extremely extremely dense that its gravity is extremely extremely strong. So if anything were to go into a black hole, it just wouldn't come out, there wouldn't be an "other side". Black holes aren't tunnels. It is funnel shaped (sort of) in all directions, hard to imagine.
  • DakiniDakini Veteran
    As I understand it, a black hole is a collapsed star takes up very little "space" or volume, but is extremely extremely dense that its gravity is extremely extremely strong. So if anything were to go into a black hole, it just wouldn't come out, there wouldn't be an "other side". Black holes aren't tunnels. It is funnel shaped (sort of) in all directions, hard to imagine.
    Oh. Thanks. Really? Are they sure? wow... :scratch:

  • B5CB5C Veteran
    Actually most people don't even know what happens or what it looks like. We just have theories.
  • still_learningstill_learning Veteran
    edited April 2012
    Wormholes on the other hand are (correct me if I'm wrong) tears in the fabric of space-time that is connected to another "place and time". Wormholes would be a way to travel to somewhere really far in a short amount of time.

    Also, since space and time are connected, perhaps wormholes are a way to time travel, backwards and forwards. (maybe that's what the video is talking about. sorry didn't have time to watch the video yet).

    However, wormholes are very unstable. AFAIK we don't have any clue as to how to keep a wormhole open long enough to go through it, nor do we have an energy source powerful enough to that.
  • DakiniDakini Veteran
    edited April 2012
    Thanks, still_learning. This sounds familiar. Still, as other people have commented, it's all theoretical. But I remember reading about wormholes, and potential spacetime travel. Maybe it was a wormhole in the Space Oddysey movie...
  • still_learningstill_learning Veteran
    @Dakini that movie, 2001 A Space Oddysey confused the heck out of me. I think I've watched it twice, but still didn't get the ending.
  • BekenzeBekenze
    Donnie Darko, anybody?
  • DakiniDakini Veteran
    @Dakini that movie, 2001 A Space Oddysey confused the heck out of me. I think I've watched it twice, but still didn't get the ending.
    There was a lot of symbolism in it. I saw it as part of a science course in highschool, actually. I don't remember discussing the ending, but the teacher pointed out that the space ship was sperm-shaped, and there was a scene in which it was moving in space past planets, which were (human) egg-shaped, and it was supposed to mean creating new life in new worlds, or something. Anyway, that just goes to show you how much was over most viewers' heads.

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