Physicists Hunt For The Big Bang’s Triangles | Quanta Magazine

Bookmarked Physicists Hunt for the Big Bang'€™s Triangles (Quanta Magazine )

“The notion that counting more shapes in the sky will reveal more details of the Big Bang is implied in a central principle of quantum physics known as “unitarity.” Unitarity dictates that the probabilities of all possible quantum states of the universe must add up to one, now and forever; thus, information, which is stored in quantum states, can never be lost — only scrambled. This means that all information about the birth of the cosmos remains encoded in its present state, and the more precisely cosmologists know the latter, the more they can learn about the former.”

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