October 22, 2021

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10 wild theories about the universe

7 min read


Why is the universe the way it is? Over the years, scientists have explored many ideas to explain our cosmos and its future. Here are some of the strangest ideas, from a braneworld scenario that involves the universe floating in a higher dimensional space, to the “Big Splat” that describes such a brane colliding with another to form an entirely new universe.

1. Braneworld

(Image credit: Shutterstock)

An aspect of the universe we take for granted is that it’s three dimensional — there are three perpendicular directions you can move in. Some theories, however, suggest another spatial dimension — which we can’t perceive directly — in another perpendicular direction. This higher dimensional space is referred to as “the bulk,” while our universe is a three-dimensional membrane — or “brane” — floating inside the bulk.



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