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How to Build a Time Machine

frank249 writes "The September issue of Scientific American has an article discussing the possibility of time travel. They say that it wouldn't be easy, but it might be possible. It could be a while until we can expand worm holes and tow them to a neutron star but didn't someone say that if it is possible it will happen. If it is impossible it will just take a little longer."

21 of 456 comments (clear)

  1. Interesting Stuff.... by echucker · · Score: 3, Funny

    I move we call for a slashback in a few hundred years when this might be possible. ;-)

  2. Speed up things.... by Duckz · · Score: 5, Funny

    Wouldn't the best way to speed up things for this be to leave a post-it note stuck in the files saying "when this is finally invented, please travel back to August 24, 2002AD and provide the HOW-TO."
    --
    Todd

    1. Re:Speed up things.... by ShavenYak · · Score: 3, Funny

      Future think, Grab monkey from future, set it on fire, we get energy from future.

      I don't see that as a big deal.


      It's a big deal to the monkey, you insensitive bastard!

      --

      Hey kids, there's only 5 days left 'til Yak Shaving Day!
  3. I would... by Anonymous Coward · · Score: 2, Funny

    Go back in time and stop CmdrTaco from starting Slashdot. This way the trolls would never be around to make asinine comments like the parent. You know you agree with me, too!

  4. Hmm by KanSer · · Score: 2, Funny

    As long as you pay the toll...

    "Somebody's gotta go back and get a shitload of dimes!"

    --
    • MOD PARENT UP by Anonymous Coward Wednesday April 20, @4:20
  5. Old news. by jellomizer · · Score: 2, Funny

    This article was posted years ago.... Oh umm. Wait a minute. Never mind. I never saw this article before. Yea thats it. I never this article before. Realy I have never saw this article. Why are you looking at my third eye funny?

    --
    If something is so important that you feel the need to post it on the internet... It probably isn't that important.
  6. Re:Reflection... by Anonymous Coward · · Score: 1, Funny

    Who in their right mind would WANT to come back to THIS time ????????

    Then again . . . maybe the corporate powers of the future are already here - and setting up the laws that make them invincible . . . . .

  7. Fun trick by mother_superius · · Score: 5, Funny

    Wear weird clothes (not weird in the everyday weird people sense, but truly out of place). Walk up to someone (inventing an accent is fun) and ask them what year it is. When they say, puzzled, "2002", get a huge smile and dance a future dance away yelling "it worked, it worked!"

    Fun to confuse people with.

    Just as fun: Dress up like a hippie or something else interesting from the past and change everything accordingly to the past.

  8. Re:Perhaps . . . but: by Robber+Baron · · Score: 5, Funny

    Crispin
    ----
    Crispin Cowan, Ph.D.
    Chief Scientist, WireX Communications, Inc. [wirex.com]
    Immunix: [immunix.org] Security Hardened Linux Distribution
    Available for purchase [wirex.com]


    Oooo! Everyone check out the big brain on Crispin!

    --

    You're using her as bait, Master!

  9. Re:did i get first post? by GutBomb · · Score: 5, Funny

    did i get first post?

    no, but perhaps someday you can go back in time and get it.

  10. Well, does this model work for time machines? by ArsonPerBuilding · · Score: 2, Funny

    1. Build a time machine.

    2. ?????

    3. Profit.

    --
    1 tequila 2 tequila 3 tequila floor
    1. Re:Well, does this model work for time machines? by shd99004 · · Score: 5, Funny

      1. Build a time machine.
      2. Go into the future to gather information about it.
      3. Go back to your own time with your new knowledge.
      4. ?????
      5. Prophet!

      --
      Will work for bandwidth
  11. At last! by paiute · · Score: 2, Funny

    With one of these gizmos, I'll be first posting every time!

    --
    If Slashdot were chemistry it would look like this:Cadaverine
  12. Re:What Hogwash! Nothing Can Move in Time! by Anonymous Coward · · Score: 1, Funny

    In the meantime, those of you who are really interested in the truth can take a look at this following link for a complete debunking of time travel and other crackpottery from the physics community

    To prove you wrong; I went back in time and made the URL go away...

  13. Someone's done it once before by tgibson · · Score: 2, Funny
  14. obligatory simpsons quote by evacuate_the_bull · · Score: 2, Funny

    homer [as he is being sucked into a blackhole]: there's so much i don't know about astrophysics. i really wish i read that book by that wheelchair guy...

    --
    Satanists get good grades too...suspiciously good grades
  15. Re:Some Say it Has Already Happened ... by SmokeSerpent · · Score: 2, Funny
    Paradox induces a cascading feedback loop of self-modifying universes (each inducing a time-traveller who goes back and causes another chage) until the sequence halts with a universe in which time travel is not developed.


    Or the Universe halts with a stack overflow...
    --
    All kings is mostly rapscallions. -Mark Twain, The Adventures of Huckleberry Finn
  16. The flaw: by SHEENmaster · · Score: 2, Funny

    Your theory, and millions of other ones, are based on the theory that one cannot travel faster than light(e).
    You consede the fact that one can travel at half the speed of light(e/2). Assume that two object(a&b) both have a y and a z coordinate of 0 and that they each have a y and z velocity of 0. If object a is heading with an x velocity of e/2 and object b is heading with an x velocity of -e/2. Object a and object b then have a velocity of e relative to eachother.

    Origin (0,0,0) only exists for the purposes of describing mathematical situations and velocity cannot be measured relative to a nonexistant point. When all speed is relative, it cannot be capped. Why the hell does everyone insist that nothing can go faster than light when no one can give me a reason WHY.

    I've heard that it is "infinit speed". That's complete BS. Does infinity==299,792,458!? If it is not infinite speed, then a craft wouldn't need to carry infinite fuel. Hell, a craft doesn't even need to carry its own fuel!

    I do not have a phd. I do not have a college degree. Hell, I don't even have my high school diploma yet. If you can explain this, please email me.

    That said, time travel would be a great way to make seemingly instantanious trips. I think that "facsimily transmissions", such as that episode of the Outer Limits would be the fastest way, without time travel. That said, it would take a LOT of money to make it legally permissable.

    --
    You can't judge a book by the way it wears its hair.
  17. We need to prepare now... by RockyJSquirel · · Score: 2, Funny

    All of these arguments that the lack of time travelers is evidence that there is no backwards time travel got me thinking: Maybe there are time travelers, but we've given them no reason to show themselves publicly. So...

    We need to prepare if we want to find out if backwards time travel is possible.

    Here what we to do. We set up a well publicized botique for time travelers, a place that sells tee shirts that says "My parents went backwards in time and all I got was this lousy tee shirt!" If anyone buys the tee shirt then we know that time travel is happening.

    Rocky J. Squirrel

  18. Nominated for best sound bite in recent memory... by mysticgoat · · Score: 2, Funny

    If there's any virtue at all to a discussion about time travel, it's that you can't determine whether mathematics or linguistics is taking the worst beating.

    That's X-L-N-tay!

    Thanks, epine. If I had mod points to award, and could award them to just a portion of a post, I'd rate that sentence a "5".

    But I don't and I can't.

  19. Obligatory marxian theory of time by mysticgoat · · Score: 2, Funny

    Time flies like an arrow...
    fruit flies like a banana

    --Groucho Marx