> On 14 Sep 2019, at 08:53, Philip Thrift <[email protected]> wrote: > > > > Gerard ’t Hooft on the future of quantum mechanics > https://physicstoday.scitation.org/do/10.1063/PT.6.4.20170711a/full/ > <https://physicstoday.scitation.org/do/10.1063/PT.6.4.20170711a/full/> > > T HOOFT: I do not believe that we have to live with the many-worlds > interpretation. Indeed, it would be a stupendous number of parallel worlds, > which are only there because physicists couldn’t decide which of them is real. > > In practice, quantum mechanics merely gives predictions with probabilities > attached. This should be considered as a normal and quite acceptable feature > of predictions made by science: different possible outcomes with different > probabilities. In the world that is familiar to us, we always have such a > situation when we make predictions. Thus the question remains: What is the > reality described by quantum theories? I claim that we can attribute the fact > that our predictions come with probability distributions to the fact that not > all relevant data for the predictions are known to us, in particular > important features of the initial state.
Up to now, the simplest assumption, is that it is “just” elementary arithmetic seen from inside, or the universal dovetailer seen by a self-aware person run by its infinitely many programs in arithmetic. This predicted qualitatively the MW, and the math shows that it predicts also the quantum logical formalism. T Hooft’s problem is that he seems to believe that a physical world is a “real” things, made of atoms, etc. Bruno > > @philipthrift > > > On Friday, September 13, 2019 at 11:19:43 PM UTC-5, Brent wrote: > That's the plot of one of the stories in Colin Bruce's book "Schroedinger's > Rabbits". > > One of the problems is that the way the Poweball numbers come up is not > directly quantum randomness. It may be determined by the amplification of > some random quantum events in the past. But how far in the past. You don't > want it to be so far in the past that it can be causally correlated with your > decision to set up the suicide machine. Of course t'Hooft claims they are all > causally determined. > > Brent > > On 9/13/2019 2:27 PM, John Clark wrote: >> I have a modest proposal, it's a low tech way to find out once and for all >> if the Many Worlds Interpretation of Quantum Mechanics is correct, and as a >> side effect make you rich. First you buy one Powerball lottery ticket, the >> next drawing of the winning number is at 11pm tonight. Then make a simple >> machine that will monitor the internet and pull the trigger on a 44 magnum >> aimed at your head at exactly 11.01pm UNLESS yours is the winning ticket. If >> Many Worlds is correct your subjective experience can only be that at >> 11.01pm, despite 80 million to one odds stacked against you, a miracle >> occurs and the gun does not go off and you're rich beyond the dreams of >> avarice. After that as you fly on your private jet to your private island >> you can contemplate the fact that you are the only person in the world who >> knows the true nature of reality and knows it with absolute certainty. And >> it only cost you a few hundred dollars to make the machine, the most >> expensive part being the gun itself. >> >> Of course for every universe you're rich in there are 80 million in which >> your friends watch your head explode, but that's a minor point, your >> consciousness no longer exists in any of those worlds so you never have to >> see the mess; somebody else will have to clean up the thousands of itty >> bitty bits of brain splattered all over the room, it's their problem not >> yours. >> >> John K Clark > > > -- > 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 [email protected] > <mailto:[email protected]>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/everything-list/2de7a418-fd46-4b68-aa6a-2718a34261a3%40googlegroups.com > > <https://groups.google.com/d/msgid/everything-list/2de7a418-fd46-4b68-aa6a-2718a34261a3%40googlegroups.com?utm_medium=email&utm_source=footer>. -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/011C10C8-F597-43CF-B48E-7AF6FF6AFA91%40ulb.ac.be.
