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.
Thomas Kephart from Vanderbilt University and four of his colleagues from around the world wanted to figure out why our universe seemingly has just three dimensions, especially since, as they wrote, "quantum gravity scenarios such as string theory... assume nine or ten space dimensions at the fundamental level."
They combined particles physics with mathematical knot theory to try and work this out, borrowing the concept of "flux tubes," which are flexible strands of energy that link elementary particles together. Read more...
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.
Thomas Kephart from Vanderbilt University and four of his colleagues from around the world wanted to figure out why our universe seemingly has just three dimensions, especially since, as they wrote, "quantum gravity scenarios such as string theory... assume nine or ten space dimensions at the fundamental level."
They combined particles physics with mathematical knot theory to try and work this out, borrowing the concept of "flux tubes," which are flexible strands of energy that link elementary particles together. Read more...
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