An eruption of cosmic knots at the Big Bang may explain why our universe has three dimensions.Credit: Keith Wood/Vanderbilt
We take for granted that we live in a world of three dimensions governed by the laws of physics, and don’t often wonder why. But a group of physicists just hatched a new theory that they think may explain our three-dimensional universe.The physicists think that their new model could also explain inflation, the exponential expansion of space the universe experienced just moments after the Big Bang.
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