tag:blogger.com,1999:blog-22973357.post3843869753443631622..comments2023-09-27T07:44:19.769-04:00Comments on Sabine Hossenfelder: Backreaction: Testing Conspiracy TheoriesSabine Hossenfelderhttp://www.blogger.com/profile/06151209308084588985noreply@blogger.comBlogger40125tag:blogger.com,1999:blog-22973357.post-10974908663066908552015-10-14T08:47:11.865-04:002015-10-14T08:47:11.865-04:00"One of three people on the planet...", ..."One of three people on the planet...", make that four. I'm all in! My "method" of investigation relies heavily on the notion of common history, and the fact that human mind is 100% a function of physical matter. Therefore, one basic premise of mine is that all that can ever happen in our universe is to be regarded as physical events as responding to momentary context. Niklashttps://www.blogger.com/profile/06282381852745107252noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-10978913822735283052014-05-13T19:07:04.537-04:002014-05-13T19:07:04.537-04:00Interesting experiment! I hope someone carries it ...Interesting experiment! I hope someone carries it out.<br /><br />I also don't agree with Zeilinger's objections to superdeterminism. Nothing about superdeterminism implies we can't trust our experiments. At best, it merely implies a hard limit on the scope of what is knowable about reality because the number and types of experiments are predetermined.<br /><br />Of course, we never Sandro Magihttps://www.blogger.com/profile/05446177882449578817noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-88511503669069780462013-12-12T00:03:44.012-05:002013-12-12T00:03:44.012-05:00Back in the 1970s there was a lot of excitement ab...Back in the 1970s there was a lot of excitement about the wonders of the new RSA and other related public key cryptography systems, but then a friend of mine simply asked "Yes, you can encrypt wonderfully if you have a set of large prime numbers, but where did you get your prime numbers?" Reading this post and thinking about superdeterminism I keep hearing his voice asking, "Where Kaleberghttps://www.blogger.com/profile/05283840743310507878noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-74380627745398881822013-11-05T00:24:40.502-05:002013-11-05T00:24:40.502-05:00I couldn't post everything I want to say (it&#...I couldn't post everything I want to say (it's too long). So I'll just post the abstract, together with a link to my short article (for those who are interested). <br /><br />Abstract - <br />Beginning with the Moon’s reflection in water, that reflection is then compared to physicist David Bohm’s holographic universe and holographic brain, and merged with Albert Einstein’s three Rodney Bartletthttps://www.blogger.com/profile/01389296532757661142noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-42872205033742837162013-10-31T07:50:25.209-04:002013-10-31T07:50:25.209-04:00Then you’re stuck not only with Bell’s inequalitie...Then you’re stuck not only with Bell’s inequalities, but more generally with the whole quantum picture of reality. So, I think you have to assume that Bob has made a decision not out of free will, but by some predetermined correlation. Gerard T Hooft in sci am intervju. <br /><br />Impact from future instead of free will? :)Ullahttps://www.blogger.com/profile/16634036177244152897noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-76120044059849520012013-10-23T03:44:57.004-04:002013-10-23T03:44:57.004-04:00Dear Hossenfelder,
I have been fond of the idea ...Dear Hossenfelder,<br /><br /><br />I have been fond of the idea of a sub quantum theory for a long while, but I wonder what is your motivation for rejecting the Everettian reading ?<br />It seems that a lot of people have adopted it after David Wallace and the rest of the "Oxford Everettians" claimed the preferred basis problem and Born Rule problem solved.<br />Nadahttps://www.blogger.com/profile/00078716473953496202noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-69031965439746266762013-10-13T01:20:07.066-04:002013-10-13T01:20:07.066-04:00"I doubt that anyone would argue that physica..."I doubt that anyone would argue that physical angular momentum effects that are visible are all within the spin plane."<br /><br />That may not have been clear. What I meant was that all angular momentum effects that are visible are within the spin plane and most people, even mathematicians, would probably not argue with that.Erichttps://www.blogger.com/profile/08213251864943443334noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-78550275193958780742013-10-12T17:17:30.945-04:002013-10-12T17:17:30.945-04:00Hi Kingsley,
Psi (the wavefunction) may be a bit t...Hi Kingsley,<br />Psi (the wavefunction) may be a bit too abstract for those of us who are not mathematicians. (I googled you.) I think what mathematicians do is extremely important, especially in physics. But I think its important to always remember that math a is tool for calculating results rather than physical reality. For instance, vector angular momentum is always perpendicular to the spin Erichttps://www.blogger.com/profile/08213251864943443334noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-19284609007841401072013-10-12T06:58:02.569-04:002013-10-12T06:58:02.569-04:00I think it is good to see such discussion once mor...I think it is good to see such discussion once more about a possible deeper layer of determinism (or not). It cannot hurt to concoct new forms of experiment and test them.<br /><br />The one thought I would plant as a seed, which seems not much discussed, is the idea of Psi itself as a hidden variable.<br /><br />At first blush, this will seem a little foolish. However, that is because people areAnonymoushttps://www.blogger.com/profile/07838918078862354092noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-15146722814783423992013-10-08T17:23:02.851-04:002013-10-08T17:23:02.851-04:00Keep in mind, Bee, a "conspiracy theory"...Keep in mind, Bee, a "conspiracy theory" is a mental model for sorting out the truth. It is like the proverbial finger pointing at the moon. Don't obsess over the finger. It is the moon you should be looking at.Cynthiahttps://www.blogger.com/profile/04026077296763575637noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-75114000986066492772013-10-08T04:46:29.425-04:002013-10-08T04:46:29.425-04:00Marko,
"I usually imagine superdeterminism a...Marko,<br /><br /><i>"I usually imagine superdeterminism as the execution of a computer algorithm, where initial data is built-in and cannot be changed"</i><br /><br />That's determinism. You're missing the essential point of superdeterminism which is spatial correlations. <br /><br /><i>"the knowledge one obtains by performing experiments cannot be trusted"</i><br /><Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-65758769954771174192013-10-06T21:18:57.624-04:002013-10-06T21:18:57.624-04:00This comment has been removed by the author.Amoshttps://www.blogger.com/profile/00595591283398023248noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-86580569050902152372013-10-06T18:27:25.067-04:002013-10-06T18:27:25.067-04:00Hi Bee,
My problem with superdeterminism can be n...Hi Bee,<br /><br />My problem with superdeterminism can be neatly formulated along the lines of Anton Zeilinger's words here:<br /><br /><a href="http://en.wikipedia.org/wiki/Superdeterminism" rel="nofollow">http://en.wikipedia.org/wiki/Superdeterminism</a><br /><br />In short, if superdeterminism is true, the knowledge one obtains by performing experiments cannot be trusted. I am not saying vmarkohttps://www.blogger.com/profile/12660488689205445871noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-12533227096078155302013-10-06T04:53:19.348-04:002013-10-06T04:53:19.348-04:00Vmarko,
I don't believe that what you or I fi...Vmarko,<br /><br />I don't believe that what you or I find 'natural' has any relevance for the laws of nature. I don't understand your problem. Just think of it as a boundary condition. The absence of free will of course does not mean that one cannot learn anything. Please read my <a href="http://backreaction.blogspot.com/2013/07/you-probably-have-no-free-will-but-dont.html" rel="Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-68073315900256671752013-10-06T04:47:57.678-04:002013-10-06T04:47:57.678-04:00Peter Vilters:
You sent me an email regarding thi...Peter Vilters:<br /><br />You sent me an email regarding this blogpost. My reply was rejected by your server as likely spam. I don't have the patience to figure out why that is. If you want a reply, either post a comment here, fix your spam filter, or use a different provider. Btw, I don't particularly like it if people send me comments to my blogpost by email because this means that by Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-9902972068214404962013-10-05T16:48:09.731-04:002013-10-05T16:48:09.731-04:00"Without the fiber cable the photon correlati..."Without the fiber cable the photon correlation will be destroyed immediately upon measurement."<br /><br />Actually I meant that the fiber optic cable just preserves the correlation longer. Any kind of photon entanglement will be immediately destroyed after measurement.<br /><br />I should add that in both fermions and photons different measurements of spin orientation would devolve Erichttps://www.blogger.com/profile/08213251864943443334noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-34182315737412762702013-10-05T15:28:02.042-04:002013-10-05T15:28:02.042-04:00This comment has been removed by the author.Erichttps://www.blogger.com/profile/08213251864943443334noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-40584154017496295482013-10-05T15:18:23.830-04:002013-10-05T15:18:23.830-04:00Bee, I think you might be leaving out a significan...Bee, I think you might be leaving out a significant distinction when talking about the "inertia" of a repeatable experiment. (My description not yours.) Energy is always required to both measure and prepare experiments. In the case of non-local experiments there is a significant difference in the preparation energy input between bosons (photons, not W and Z and gluons)and fermions.<br /Erichttps://www.blogger.com/profile/08213251864943443334noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-23059378753339982782013-10-05T12:36:19.439-04:002013-10-05T12:36:19.439-04:00Hi Bee,
As far as superdeterminism goes, I still ...Hi Bee,<br /><br />As far as superdeterminism goes, I still fail to understand how can one claim that it isn't a conspiracy-type theory? I understand that Bell's theorem does not hold in this setting, but wouldn't it be more natural for a deterministic universe to actually behave like one, and not violate Bell's inequalities to begin with?<br /><br />On a more serious note, my vmarkohttps://www.blogger.com/profile/12660488689205445871noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-32055234917209463362013-10-05T09:54:14.783-04:002013-10-05T09:54:14.783-04:00“Yes, in fact. If you come across a step by step i...“Yes, in fact. If you come across a step by step instruction, let me know, I'd be interested to hear.”<br /><br />Well, that is surprising. So many having come so far it would seem there would be some kind of guidebook.<br /><br />Perhaps advertising --maybe a good PR firm would help, some trendy commercials during soccer games.<br /><br />Or you could take to wearing a sandwich board around Don Fosterhttps://www.blogger.com/profile/04814669413022486958noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-89723180078707074282013-10-04T11:16:47.082-04:002013-10-04T11:16:47.082-04:00Don,
"It would be educational to hear, rough...Don,<br /><br /><i>"It would be educational to hear, roughly step by step, the path one must navigate between having an idea for an experiment and actually having it performed."</i><br /><br />Yes, in fact. If you come across a step by step instruction, let me know, I'd be interested to hear. Best,<br /><br />B.Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-6601557941000057112013-10-03T20:45:25.477-04:002013-10-03T20:45:25.477-04:00One thing that would be worth researching is if th...One thing that would be worth researching is if there is an internal mechanistic structure within all fermions that accounts for changes in kinetic energy during acceleration. That is, is it just a given or can it be like an electric motor that increases [decreases] its angular momentum during acceleration[decelleration].<br /><br />It there was/is such a mechanism then it would pretty neatly Erichttps://www.blogger.com/profile/08213251864943443334noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-37763147512659722932013-10-03T20:44:08.955-04:002013-10-03T20:44:08.955-04:00This comment has been removed by the author.Erichttps://www.blogger.com/profile/08213251864943443334noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-33219585038677924932013-10-03T18:29:02.115-04:002013-10-03T18:29:02.115-04:00@ Don Foster (It's a cecropia moth.) Experime...@ Don Foster (It's a cecropia moth.) Experimental physics requires infrastructure and fineness of its weave. You must convince a disbelieving somebody else - and its business plan, and administrators whispering "resource embezzlement"- to support it. Novel = risk ("no").<br /><br />Discovering proton nuclear magnetic resonance (NMR) used a block of paraffin and an Uncle Alhttps://www.blogger.com/profile/05056804084187606211noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-39031628572262185552013-10-03T15:11:42.879-04:002013-10-03T15:11:42.879-04:00Dr. Bee
It would be educational to hear, roughly ...Dr. Bee<br /><br />It would be educational to hear, roughly step by step, the path one must navigate between having an idea for an experiment and actually having it performed.<br /><br />Best, Don Fosterhttps://www.blogger.com/profile/04814669413022486958noreply@blogger.com