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Roger Penrose, “The Cyclic Universe” (Open Agenda, 2021)

New Books in Science, Technology, and Society

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Is It Artificial to Introduce This?

Scepticism about the observations is where main doubts are, not so much the theory. People don't like to believe in information lost in black holes. There's no theoretical reason for it to do that. The amount of deviation from conservation of mass that we see at the moment would be absolute, ridiculously small. So i think there's a big puzzle, quite apart from c c c, which i think you need information lost inblack holes.

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