If you're interested in some simplified-but-still-roughly-rigorous discussion about the physics of time travel/causality, Sean Carroll did a solo episode of his

If you're interested in some simplified-but-still-roughly-rigorous discussion about the physics of time travel/causality, Sean Carroll did a solo episode of his podcast where he talked about a few different ideas in this space. https://www.preposterousuniverse.com/podcast/2020/11/23/124-solo-how-time-travel-could-and-should-work/ https://www.preposterousuniverse.com/podcast/2020/11/23/124-...