Was the universe once comprised solely of 2 dimensions, or maybe even 1?

“The fa­mil­iar three di­men­sions of space—height, width and length—may have been just one or two when the un­iverse was formed, some phys­i­cists say.According to the report, their pro­pos­al holds that the fa­mil­iar three di­men­sions of space could have been folded in­to two or just one at ex­tremely high en­er­gies and tem­pe­r­a­tures. Such cond­i­tions char­ac­ter­ized the [...]

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