Is time travel possible theoretically ?

Discussion in 'General Science & Technology' started by Plato, Apr 12, 2000.

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  1. Neverfly Banned Banned

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    Wrong. It is not the only way.

    A reasonable alternative is to drive by yourself down a country road, have the vehicle suddenly lose power, the dog barks and a bright light beams down from above.

    You'll wake up later with a sore rectum and strange fuzzy images of wide eyed things and star maps at the back of your head -- In the Future -- having lost a few hours.
     
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  3. too-open-minded Registered Member

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    If you can travel faster than the speed of light, you can. Theoretically.

    Sadly you would expand to the size of the universe, so technically you cant.

    This is why light can have no mass at rest but because its in motion is has mass.

    As we know of right now.

    To me the question and physics behind it just unravels time as an illusion, so much of one i can barley explain it.

    Time started when we recorded the patterns between seasons and years. Calendars implemented to record dates and overall a general history of civilization.

    Gravity effects time as to gravity effects earth revolving the sun.
     
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  5. Believe Happy medium Valued Senior Member

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    Hope I'm not beating a dead horse here but time travel to the future is most certainly possible. Traveling to past is highly unlikely however.
     
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  7. Epictetus here & now Registered Senior Member

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    Hi! I'm writing to you from 18 minutes in the future. Hope you are here!
    :wave

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    wave of the future)
     
  8. Aman shah Registered Senior Member

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    Time travel,what a Joke?
    Do you know that there is a mad scientist who obtained Physcis degree only to create a time machine to meet his father who was murdered.Really crazy!

    http://www.youtube.com/watch?v=oRWwI61so5Q

    Well I think that chances of a time machine is allmost NO!

    Talk of a time machine is even beyond talk of cold fussion and Gravitational energy powered engines.
     
  9. Believe Happy medium Valued Senior Member

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    LOL :bravo:

    But seriously, I'm talking about time dilation which if you can get going fast enough would let you travel to the future. Of course you clothes will be horribly out of style when you get there.

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  10. AlexG Like nailing Jello to a tree Valued Senior Member

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    Well, I'm not moving at all, relative to the earth, and I'm still travelling into the future. My clothes were out of style when I left.
     
  11. Believe Happy medium Valued Senior Member

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    Go far enough in the future and they may come back in style

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  12. AlexG Like nailing Jello to a tree Valued Senior Member

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    That's why I keep them.
     
  13. Believe Happy medium Valued Senior Member

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    lol :d
     
  14. scorpius a realist Valued Senior Member

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    you cant go back in time bc PAST doesnt exist except in our memories and pictures..
    same with the Future..
     
  15. sigurdV Registered Senior Member

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    Prove it! The past (as I conceive it) is all there is, because the present is not stable! You always look at the memory of what was present when you try to look at the present. And the future is not yet decided so...All that IS decided is the past.
    You cant visit the past since you actually didnt visit it when it happened!
    All you possibly can do (Hah!) is to visit a copy of the past.
     
    Last edited: Jun 26, 2012
  16. Aman shah Registered Senior Member

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    Time travel is not possible.No scientist will agree with this.
    No No,I am not conventional,but there is no logic behind time travel.How can present can be taken to past?How can I see future when Entropy keep on increasing.
    The main obstacle to time travel is Incerase in Entropy of universe.

    Talking about making of time machine will prove laws of thermodynamics wrong which can never happen.
     
  17. Believe Happy medium Valued Senior Member

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    Actually, evey scientist worthy of the title will tell you that time travel is 100% possible. You are currently traveling to the future at the rate of one second per second. You can speed that up considerably if you manage to go a large fraction of the speed light.

    http://en.wikipedia.org/wiki/Time_dilation
     
  18. Aman shah Registered Senior Member

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    I am not talking of present day normal time travel.I was talking about speeding up time heavily from same location or to go back in past ,which do not seem possible to me.
     
  19. orcot Valued Senior Member

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    nobody has mentionend the GPS system yet who are most definitly time dilated.
     
  20. shichimenshyo Caught in the machine Registered Senior Member

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    All events exist simultaneously in potentia. It is only our relative position to those events that create the perception of time as a straight line. So to me time travel is possible in the sense that everything that has been or ever will be already exists, but then it is also not possible because the only moment that we ever truly exist in is the present.
     
    Last edited: Jul 10, 2012
  21. 1nf1del Registered Member

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    No, you can't travel back in time, technically you can travel forward and slow down your perception of time, you would not go very far into the future. I had a thought the other day, if there was a big bang, what if it was caused by an attempt at time travel?
     
  22. Hertz Hz Registered Senior Member

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    Yes. As it has already been highlighted, we are already moving through time. My current strategy is to MATCH the speed of time and travel into the future.
     
  23. Believe Happy medium Valued Senior Member

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    LOL you mean you watched an eppisode of family guy yesterday.
     
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