Peter Woit: "If, as seems increasingly all too possible, we're now at an endpoint of fundamental physics..."
http://www.math.columbia.edu/~woit/wordpress/?p=9444
Sabine Hossenfelder: "The problems we had in our theories in the 1970s are still unsolved today. Has progress in the foundations of physics stalled? Yes."
https://twitter.com/skdh/status/1301901071728738304
Did bad people start doing bad science in the 1970s? Or had Einstein "trapped his successors in insoluble dilemmas"?
"Was Einstein wrong? At least in his understanding of time, Smolin argues, the great theorist of relativity was dead wrong. What is worse, by firmly enshrining his error in scientific orthodoxy, Einstein trapped his successors in insoluble dilemmas..."
https://www.amazon.com/Time-Reborn-C.../dp/B00AEGQPFE
Nima Arkani-Hamed: "Almost all of us believe that spacetime doesn't really exist, spacetime is doomed and has to be replaced..."
https://youtu.be/U47kyV4TMnE?t=369
What scientific idea is ready for retirement? Steve Giddings: "Spacetime. Physics has always been regarded as playing out on an underlying stage of space and time. Special relativity joined these into spacetime... [...] The apparent need to retire classical spacetime as a fundamental concept is profound..."
https://www.edge.org/response-detail/25477
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