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[QUOTE]Originally posted by Jernau Morat Gurgeh: [QB] I watched a program on BBC yesterday, Horizons. For those of you not familiar with Horizons, it's a documentary series which takes a different topic, usually scientific or philosophical, every week. Anyway, to summarise this particular episode, it was about the holy grail of physics, a theory of everything, sometimes known as a Grand Unified Theory, GUT. This theory must pass several benchmarks, such as unifying gravity with quantum laws, and being able to see past the big bang. String theory, when it was first proposed, seemed to be on the verge of doing this. It could unify gravity and quantum mechanics, but there were certain problems. Now it seems that string theory was close except for one thing, the number of dimensions. String theory, which dominated the GUT field for the last 20 years or so, made use of 10 dimensions, because with 10 dimensions, the theory was able to unify quantum theory with gravity. The problem was that string theory produced problems, mathematical problems like infinities. A competing theory, supergravity had 11 dimensions. It was found that string theory made sense with 11 dimensions, and this gave rise to a new theory, M-theory, or membrane theory, where the universe is visualised to be a membrane consisting of these strings. Moreover, an infinite number of these universes are possible, floating around in dimensions beyond our perception. If these universes collide, their membranes interact to produce matter in a big bang. These are very recent developments, just the last few years. I don't know much about this, but I was so strongly affected by this program last night that I'm determined to find out more. It's just so damn profound. I posted this in the Flameboard in case anyone wants an excuse for another heated creation debate. Personally, and I'm not trying to be hostile and adversarial here, I think that once the full ramifications of the theory are understood it will finally put it beyond all doubt that there is no deity. Although it may not prove what there [b]is[/b], and may leave more questions, it will prove the lameness of the Godhead concept. Here are some links: [URL=http://www.bbc.co.uk/science/horizon/2001/paralleluni.shtml]BBC page about the program[/URL]. The BBC's site has some links, I think the one below, Dr. Kaku's, is the best if you want a general explanation of what it's all about [URL=http://www.mkaku.org/]Dr Michio Kaku's page.[/URL] (has some very interesting and informative articles on string theory and hyperspace). [/QB][/QUOTE]
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