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superstring theory,string theory,brian greene,ted,physics Superstring theory explained (really!): Brian Greene on TEDSuperstring theory explained (really!): Brian Greene on TEDtags:In clear, nontechnical language, string theorist Brian Greene explains how our understanding of the universe has evolved from Einstein's notions of gravity and space-time to superstring theory, where minuscule strands of energy vibrating in 11 dimensions create every particle and force in the universe. (This mind-bending theory may soon be put to the test at the Large Hadron Collider in Geneva.)
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Actually, I think the correct saying is "The devil is in the details." String Theory ≠ God.
whoa careful what i say, knock on wood.
Why 10 dimensions, why those shapes for the dimensions, why vibrating energy, and why any of it in the first place?
Really enjoyed this, but I have been reading a bit - and from what I understand superstring theory is losing favour as an answer to those questions.
What's replacing it is the "anthropic principle" which says that if those important numbers were different, then intelligent life would not exist to ask the questions about them.
physicists who follow the anthropic principle believe that there may be a multitude of parallel universes with lots of different rules and different numbers - we are here because we live in the one that has the right numbers for life.
I'm not a physicist- and I may be talking out of arse, but I find this a lot more interesting than SuperString theory - which looks like it's trying too hard to sell something shaky with pretty graphics. superstring theory calls for 10 dimensions - a small psychological rounding that makes it equal to the number of fingers we have. Not a coincidence in my mind.