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#1
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Re: String Theory
Quote:
(BTW, You say that there is a hole in my logic. If there is, then explain, using evolutionary principles, how the clotting mechanism developed from a one celled organism to what it is today. I would love to understand how such a complex process could have developed without any errors in the process throughout it's development cycle.) Oops, I digress. Sorry, feel free to PM me if you want with the explanation. This thread (string ) has drifted far enough |
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#2
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Re: String Theory
Although there are many equations that support string theory, much of the theory depends on assumptions. String theory answers many questions about physics, but some of those answers are just generated so that the answer can be incorporated into the theory.
However, there are some specific experiments that will be done that can confirm some of what string theory has said and if the experiments are successful, they might give some very solid evidence. The "Laser Interferometer Space Antenna" will be launched in 2013, and is supposed to detect "gravity waves" from the big bang which are predicted by the theory. The Large Hadron collider which is currently built will search for particles predicted by string theory. I was personally very happy when I saw the cover of the August 2005 Discover magazine: "Is String Theory about to Snap?" |
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#3
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Re: String Theory
String theory is where the lines of physics become blurred. The real debate is whether it can actually be called a "Theory," because we have no way of testing whether it is true. When you can't construct an experiment that would falisify once and for all your theory, it isn't science, or so goes the thinking of Karl Popper. I really wouldn't worry about it, as it isn't likely to play into an engineer's life to often, but if theoretical physics is your game, this is where its at. My physics teacher maintains that "string theorists" are really nothing more than philosophers, which, if you want to be pedantic about it, is true.
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#4
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Re: String Theory
You can actually watch all three hours of Nova's presentation of B. Green's "Elegant Universe" online at:
http://www.pbs.org/wgbh/nova/elegant/program_t.html I added it to my bookmarks. ![]() |
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#5
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Re: String Theory
I think this would have been an acceptable answer to your question.
http://www.google.com/search?q=string+theory |
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#6
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Re: String Theory
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The whole idea of string theory is very crazy and I don't follow much of what they are doing with it, even in the nova episode. But it makes some sence in a strange, head exploding way. But I only know much about it because it is so weird, I like it. Does it's findings, what it could mean change how I do anything, no, but it is fun to try and wrap your brain around n-dimentional branes. |
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