Where Do Space, Time and Gravity Come From? | Quanta Magazine

Einstein’s description of curved space-time doesn’t easily mesh with a universe made up of quantum wavefunctions. Theoretical physicist Sean Carroll discusses the quest for quantum gravity with host Steven Strogatz.

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Hasnain says:

Absolutely engrossing podcast transcript which discusses emergent theories on the origin of space time and some recent research in quantum gravity. Sean Carroll is great as always.

I loved the ending which touched a bit on the philosophy of science:

“Well, I do think that and, you know, I think that there’s a school of thought that says that scientists should not talk about their results until they’re completely established and refereed and everyone agrees they’re right. And not only do I think that that’s implausible, because even results that are refereed and published could be wrong, I think it’s very antithetical to the spirit of how science is, you know, and I want to emphasize that science is not just a set of results that are handed down from on high, it’s a process. We could be wrong. We’re making suppositions and hypotheses and guesses, and we’re going to figure out whether or not they work. And that’s not a bug, it’s a feature. That’s, that’s how science works. So I’m very willing to talk about tentative things as long as I try to emphasize that they are tentative things.”

Posted on 2022-05-07T11:02:17+0000