String Theory is “Fashion,” Penrose Said. We Finally Have a Response

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Roger Penrose is a very well-known mathematician, physicist, and author who won the Nobel Prize a few years back. He’s repeatedly questioned string theory’s prominent role in physics today, most notable in his 2016 book “Fashion, Faith and Fantasy” (the “fashion” part refers to string theory). We finally have a response.

Paper: https://arxiv.org/abs/2509.21515

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