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## Main Question or Discussion Point

In the TV show, Elegent Universe, Brian Greene explains that there are 11 dimentions of space and time, but why exactly 11?

He also said that for string theory to work that there must be 6 additional dimentions, so what are the other 5 dimentions?

11 dimentions....WHAT?

He also said that for string theory to work that there must be 6 additional dimentions, so what are the other 5 dimentions?

11 dimentions....WHAT?