Difference between revisions 147178444 and 147178445 on dewiki

{{string-theory}}
{{see|string theory}}

'''Superstring theory''' is an attempt to explain all of the [[Elementary particle|particles]] and [[fundamental force]]s of nature in one theory by modeling them as vibrations of tiny [[supersymmetry|supersymmetric]] strings. It is considered one of the most promising candidate theories of [[quantum gravity]]. Superstring theory is a shorthand for '''supersymmetric string theory''' because unlike [[bosonic (contracted; show full)me as the fourth dimension — a physical theory must take this into account. However, nothing prevents a theory from including more than 4 dimensions, per se. In the case of [[string theory]], [[consistency]] requires [[spacetime]] to have 10, 11 or 26 dimensions. The conflict between observation and theory is resolved by making the unobserved dimensions [[compact dimension|compactified]].

Our minds have difficulty visualizing higher dimensions because we can only move in three spatial dimensions
, except of course for Marty from Back to the Future, who can move in time as well.  One way of dealing with this limitation is not to try to visualize higher dimensions at all, but just to think of them as extra numbers in the equations that describe the way the world works. This opens the question of whether these 'extra numbers' can be investigated directly in any experiment (which must show different results in 1, 2, or 2+1 dimensions to a human scientist). This, in turn, raises the question of whether models that rely on such abstract modeling (and potentially impossibly h(contracted; show full)[[it:Teoria delle superstringhe]]
[[ja:超弦理論]]
[[pl:Teoria superstrun]]
[[ru:Теория суперструн]]
[[sl:Teorija superstrun]]
[[sv:Supersträngteori]]
[[fi:Supersäieteoria]]
[[zh:超弦理論]]