Know everything-computer

This is a discussion on Know everything-computer within the Tech Board forums, part of the Community Boards category; Originally posted by Ride -or- Die You can't predict the air resistance, there could be a sudden gust or change ...

  1. #31
    Registered User red_baron's Avatar
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    Originally posted by Ride -or- Die
    You can't predict the air resistance, there could be a sudden gust or change in a molocule that was impossible to predict, u cann't positively predict it.
    if u had a computer that "knew" everything it could tell when each molecule in the universe is moving so theoretically it can predict when a gust of wind is coming or when ANY variable changes, as lightadawn said you would need to model everything with variables and have a computer that is able to handle all that data, if u did sometime in the future it is possible to model every molecule in the universe and hence have a all knowing computer. but then again how long will it take for a computer like that to be built?
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  2. #32
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    Can I recommend a book to all you people who think calculation of everthing is possible with infinite computing resources.
    Its called "Chaos" by James Gleick, its a good read and might englighten you to things you didn't know.

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    0-7493-8606-1
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  3. #33
    RoD
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    but then again how long will it take for a computer like that to be built?
    it CAN'T be built. IT IS IMPOSSIBLE TO KNOW EVERYTHING, PERIOD.

    what part of impossible is so hard to understand, it CANNOT be done!

  4. #34
    Registered User red_baron's Avatar
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    i'll read it and let you know what i think of it.
    (i am open-minded to strange theories, though i have read about the chaos theory before and fractals which are related)
    ¿Red Baron?

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  5. #35
    Registered User red_baron's Avatar
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    Originally posted by Ride -or- Die
    it CAN'T be built. IT IS IMPOSSIBLE TO KNOW EVERYTHING, PERIOD.

    what part of impossible is so hard to understand, it CANNOT be done!
    why are u so stubborn? you keep saying it cannot be done and wont even give proof or try to justify why it cannot be done. plz try to explain to the rest of us why u think it can't be done.
    ¿Red Baron?

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  6. #36
    RoD
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    Simple.

    There will always be a un-forseeable formula/outcome alter'n factor that cannot be predicted because it is un-forseeable.

  7. #37
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    >>it CAN'T be built. IT IS IMPOSSIBLE TO KNOW EVERYTHING, PERIOD.

    Why not? Assuming the universe is finite (which is reasonable), then there is a finite amount to know. It may be beyond our current capabilitiy or even within the realm of possibility given our current technology, yet that doesnt make it "impossible". Difficult to the point of dismissal, yes, but it is most definitly _possible_.

    >>Its called "Chaos" by James Gleick

    Care to sum up a few points for the sake of us that have not read it and do not have the capacity to do so in the (near) future? I have never seen a shred of evidence supporting "chaos". That theory would seem to break down our ability to know _anything_ at all...

    [EDIT]

    >>There will always be a un-forseeable formula/outcome alter'n factor that cannot be predicted because it is un-forseeable.

    You know, that doesnt make any sense. Or rather, it does, but its circular so its not definative. Meaning; You didnt answer the question. (I'm not trying to be hardass... No offence.)
    "There's always another way"
    -lightatdawn (lightatdawn.cprogramming.com)

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    i'll read it and let you know what i think of it.
    (i am open-minded to strange theories, though i have read about the chaos theory before and fractals which are related)
    I knew nothing about chaos but was bored one day in town. I bought it and was definatly glad I did. Only £7.99 its a bargain.
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    Evidence about chaos is everywhere. Eg
    Whats the weather going to be like next month? You don't know because of chaos theory.
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  10. #40
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    if a computer knows the position and state of every molecule in the universe and knows about all the forces which can act apon it, it can accuartly model this data and reach a result.

    can u give me an actual example of what u mean by an "unforseen" formula/outcome.

    today things are only random because we cannot model all things, we cannot calculate every aspect of a situtation like rolling a die for example, if we had a computer wich knew about everything and knew where every exact molecule of that dice is and all the the molecules around this dice, then it can calculate the complex path which it will travel, and also apply any additional forces that the molecules around it exert on it and finally compute what the outcome of rolling the die will be.
    ¿Red Baron?

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  11. #41
    Registered User red_baron's Avatar
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    Originally posted by crag2804
    Evidence about chaos is everywhere. Eg
    Whats the weather going to be like next month? You don't know because of chaos theory.
    you dont know because we cannot model teh exact position of everything that affects weather at the current moment in time, if we had a computer that knew about the position of all molecules and knew about all forces of physics then it can predict weather acuratly.
    because we do not have the technology to do it right now doesn't mean it cannot be done
    ¿Red Baron?

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    I doubt this post is ever going to reach a conclusion. It'd probably be better to agree to disagree.
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  13. #43
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    yea but nobody can predict the ever changing chnages in molocules.

    I just don't see how anything can know everything when so much is unpredictable.

  14. #44
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    Originally posted by Ride -or- Die
    yea but nobody can predict the ever changing chnages in molocules.

    I just don't see how anything can know everything when so much is unpredictable.
    my point is that it cannot be done right now but who knows about a thousand or a couple of thousand years from now. we may be able to model everything, anyway i got an essay to write and can't stay all day been nice discussing with you ppl
    ¿Red Baron?

    "Imagination is more important than knowledge"
    -Albert Einstein (1879-1955)

    Check out my games!

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  15. #45
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    The point is, that there is no actual "chaos" or "random". If you take action 'A', and repeat it in an identical envirmoent, with identical forces in play, you _will_ get the same result of that action. We just say something is random when we're too stupid to understand/calculate all the forces in play in any given circumstance. Its not that the universe is random in nature, its that we are limited in our perception of it.
    "There's always another way"
    -lightatdawn (lightatdawn.cprogramming.com)

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