sabine hossenfelder sean carroll

Brains are simple too. “kiddin you” and “didn’t you” is legit (not even slant imo). The only way I can describe this unity in quasi-physical terms would be that it is a ubiquitous scalar field without mass or energy that is present at every point, and which effectively makes every point in the universe the same point, as well as every time. The central argument of MWI is a claim to parsimony. Perhaps the majority in the first level, where the primary thought processes revolve are “an eye for an eye,” “you get what you deserve,” etc. 1159 Beiträge, AS-Fan @Hyperlink 1: "Einstien asked something akin to this: Just because I dont look at the Moon, does it mean the Moon does not exist?

( Log Out /  It needs more than contempt from Sabine to discredit a research … AIUI, what we mean by decoherence is that the phase information of a given system is beyond our ability to recover (measure). Physics is the science of measurement. However, a more ψ-epistemic perspective would say that nonlocality is just a measure of our “unknowing” and a decoherence manifests itself as a local occurrence (by local interactions) that updates our knowledge of the system. Several big questions loom here that are far more deep than asking whether they can be empirically verified, which honestly I doubt any can.One question is what is the relationship between quantum interpretations and the Born rule. I have revised my worldview more times than I can count due to logical arguments. If there are many worlds, I'm pretty sure that I will be convinced of their existence in some of them. This is not a physical system working according to physical law — duplication of energy/matter has to be accounted for physically. Furthermore, sensing is an act of measurement. Tegmark is interesting and worth exploring if you’re looking for something new.

A  kilogram isn’t a kilogram? A question for you on your description of the wave function, Wyrd.

*Everyone is welcome in this subreddit, regardless of their views on the nature of reality. Change ), You are commenting using your Twitter account. You can follow our reasoning by putting together all my comments on that blog. Carroll, who adopted MWI, implies it is the “courageous” view (so if one doesn’t agree with it, one must be a coward). But other states that were possible, are changed by interaction with the environment, which means they are not repeatable, and so they basically get lost in the noise, or what have you. Now that I’m retired, an option I’ve considered is New Mexico. Maya, not that. A kind of fantastic idealism. Missing evidence for both interpretations means, that none of them can be excluded. Where it is cut-off between the quantum and classical domains of experience? Theoretical biology is becoming what theoretical physics once was. . It all comes back to the inescapable fact that experiential evidence is truly all any of us has to work with and it needs to be treated differently than it currently is in order for it to become actually 'scientific'.Surely if scientists can consider multiple universes to be a 'thing', they should be flexible enough to check the source of information they are examining: complex mental extrapolation of experiential evidence. Ah, well, ya got me! I kinda threw that in because we were talking about universes with metaphysical intentions or consequences.

But as we inhabit the same world, I guess that doesn't qualify as an MWI split. (A further observation about that is that, as far as I know, every human culture on Earth has had some sort of metaphysics. “Something Deeply Hidden”The "something" that is "deeply hidden" being any observational evidence for Many Worlds. I once told Mike I thought that ultimately while our views may appear to diverge quite a bit in the present, that with advances in understanding on both sides we’d probably ultimately converge. We have to decide what we’re measuring, of course, and how we’re going to measure it. Without a good answer to this issue, I think MWI is falsified.

My question is, can the superposition resolve or split or branch without measurement or the observer touching it? Humans are able to learn how to survive within an completly unknown environment. [Update: skepticism has already been raised about the result.

But the process of science, it’s core values, open discussion, peer review etc. I need to read it again one of these years.

. The potter has an idea of the design of the pot in this mind.

This class determines the metric of the spacetime that is emergent from these relationships-- different properties can correspond to closed spherical geometries or open hyperbolic geometries or Euclidean geometries. We might not want that. Alice points out that our theory of integers is simple, but that it produces an infinite number of integers. (Sad to say, this book of Carroll’s is a strong runner up.). It *is* taking things too far to take MWI literally because there is no empirical evidence to support taking it literally. (At one point her father says it all sounds like sophistry.

Applied recursively to physical systems this produces scientific understanding.

The snake is programmed not to sense sound. Conscious experience likewise. Sabine Hossenfelder is a physicist with a social media following, a much beloved blog, an attitude, and now a book to go along with it all. To me, that’s throwing out the baby with the bathwater.

Right, and this is another topic I’m starting to explore at a deeper level.

I should probably say that I don’t think our universe is only computational.

Emergence, The Biggest Ideas in the Universe | 20.

It is the program that reads color, red or green, into the colorless superposition; it is the program that reads offensive or attractive smell into the odorless superposition; it is the program that reads up or down into the orientation-neutral superposition.

It’s like running Windows on a Mac. There are no many worlds outside, right. More work will be necessary to verify the observations, and to work out the possible theoretical implications. Is it sweet? Both versions of me would descent from me (Martien) and live on as Martien-a and Martien-b. Despite consciously making what we might think are "free" choices, they are irrefutably fettered by our physical past. There are aspects of that we don’t fully understand, but I’ve never seen the infamous measurement problem as insurmountable. My father grew up on a farm in rural Nebraska, my mother in a Catholic family in Niagara Falls, and I grew up Catholic. I just started a book, but I was thinking of that or a Scalzi (did I get that right) for my next one. brains, although why the universe should evolve natural instruments to capture this force isn’t explained except in panpsychism where everything feels this force to one degree or another, but brains especially).

It is obviously a kind of liar paradox. If you think it is warranted, by all means feel free to explain why. I assume c doesn’t change, so is our mass getting thinner? Yes, if by "Carroll's hypothesis" you mean the Everettian (MWI) view. There are no "calorie free" behaviors. But, I wonder -- and would appreciate informed comments -- to what extent such a theory is based on nostalgia. Stay safe, my friends! Is it left?

That, too, is a unified element that, in theory, fully describes reality. Now, what happens when their respective programs stop running? Anyway, I just wondered what you thought of this, and the notion of there being a universal wave function. But as long as I’ve been worrying this MWI bone,… it just seems more and more clearly false to me. But if a photon goes through a half-silvered mirror (or not), poof, a whole new universe just springs into being?

Many brilliant people (defined by how we commonly quantify exceptional intelligence) believe in and promote many unsubstantiated thoughts as science. continued...All classification is an act of measurement.Let us see how our thinking worked.

Also, "Wigner’s thought experiment was put to the test by a team of physicists at Heriot-Watt University in Edinburgh with the results being published in February 2019... the results of that experiment lends considerable strength to Wigner’s thought experiment and interpretations of quantum theory that are observer-dependent... And with experimental evidence edging closer to undermining the idea of observer-independent objective reality, the fundamental assumptions of science itself may be in danger."

Most books like these get a little hand-wavy once past the basics. When the measurement is made, the universe splits, branching into two copies, one with the spin up, the other with the spin down. (Needing escape from this crazy world is why I’ve been reading a lot of Agatha Christie Hercule Poirot lately. These are veritable facts.

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