Will Our Universe Collide With a Neighboring One?

Our universe may be one of a multitude, and it may bear the scars of past run-ins with its neighbors.
Relaxing on an idyllic beach on Grand Cayman Island in the Caribbean, Anthony Aguirre, physicist at the University of California at Santa Cruz, vividly describes the worst natural disaster he can imagine. It is, in fact, probably the worst natural disaster that anyone could imagine. An asteroid impact would be small potatoes compared with this kind of event: a catastrophic encounter with an entire other universe.

Full article by Zeeya Merali on Discover Magazine



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