On Wednesday, February 26, 2025 at 5:38:02 AM UTC-7 John Clark wrote:
On Wed, Feb 26, 2025 at 12:41 AM Brent Meeker <meeke...@gmail.com> wrote: * > Have you read Scott Aaronson's blog on MWI. https://scottaaronson.blog/?p=1103 <https://scottaaronson.blog/?p=1103>* *> "MWI really is just the “obvious, straightforward” reading of quantum mechanics itself, if you take quantum mechanics literally as a description of the whole universe, and assume nothing new will ever be discovered that changes the picture."* *I agree with Aaronson that it's going too far to try to make an analogy between MMI and the Copernican revolution because it's hard to imagine any new discovery which would make us reconsider our conclusion that the Earth is not the center of the universe, however it it is possible to imagine something that would cause us to conclude that many worlds is wrong, objective collapse is one example. * > *"**as soon as we postulate any decoherence (whatever its source) that occurs below the level of everyday experience, and that’s truly irreversible for fundamental physical reasons … at that point, I would say that we can now fully explain our experience without any reference to parallel copies of ourselves in other branches, and are therefore not forced into MWIism."* *Apparently Aaronson agrees with me that Many Worlds is a legitimate scientific theory because it is falsifiable. * *Since the worlds are disjoint, they don't interact, and the MWI is obviously NOT falsifiable. AG * *> "**And MWIism isn’t something that has great appeal to me unless I’m forced into it. But I suspect Deutsch would disagree here."* *On this issue I admit to being emotionally closer to Deutsch than Aaronson, but that is irrelevant. I liked Fred Hoyle and steady state cosmology had great emotional appeal to me, but that didn't prevent it from being dead wrong. **I have my likes and dislikes, and the universe has its. * *John K Clark See what's on my new list at Extropolis <https://groups.google.com/g/extropolis>* hfg -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/everything-list/96c5fa29-5a68-4c09-9a85-8b29f7b1fd45n%40googlegroups.com.
