These strings produce all known forces and particles in the universe, thus reconciling Einstein s theory of general relativity (the large) with quantum mechanics (the small).
Just how many hidden dimensions exist depends on the theory, but some versions of the popular string theory for example, postulate we live in a 10 - or 11-dimensional universe.
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而那个花了三十多年努力的“弦理论”,虽然把引力拉扯进来了,代价是让宇宙加几个不知哪冒出来的维度。
Three decades of effort have been expended on string theory, which includes gravity but at the expense of having the universe inelegantly sprout hidden dimensions.