tag:blogger.com,1999:blog-22973357.post5821462653296202437..comments2023-09-27T07:44:19.769-04:00Comments on Sabine Hossenfelder: Backreaction: Testing the foundations of quantum mechanicsSabine Hossenfelderhttp://www.blogger.com/profile/06151209308084588985noreply@blogger.comBlogger50125tag:blogger.com,1999:blog-22973357.post-32155911325377404632011-01-29T13:00:36.815-05:002011-01-29T13:00:36.815-05:00I realize I am commenting on a long-abandoned post...I realize I am commenting on a long-abandoned post, but I just found it via google. I'm concerned that you would link to a video by "Dr. Quantum." Irrespective of whether this particular video is full of craziness, by pointing to it you tacitly endorse Fred Alan Wolf's credentials. His involvement in "What the Bleep?" is but a taste of the myriad ways he completely Unknownhttps://www.blogger.com/profile/01978562434088882262noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-80436733366790128512010-08-26T22:45:13.823-04:002010-08-26T22:45:13.823-04:00Hi Steven,
”OK, OK, I'll bite! This is like t...Hi Steven,<br /><br /><i>”OK, OK, I'll bite! This is like the 234,832nd time you mentioned Feynman's volume II. Although I suffer from Science Book Purchasing Addiction, I guess I'll give er up and buy and read it, although Wiki seems to fill in the gaps quite nicely. :-)” </i><br /><br />I think you must be counting all the times I said this in respect to other histories of which Phil Warnellhttps://www.blogger.com/profile/15671311338712852659noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-77111442331446913582010-08-26T22:37:16.144-04:002010-08-26T22:37:16.144-04:00This comment has been removed by the author.Phil Warnellhttps://www.blogger.com/profile/15671311338712852659noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-74661289696974095692010-08-26T22:18:10.950-04:002010-08-26T22:18:10.950-04:00This comment has been removed by the author.Phil Warnellhttps://www.blogger.com/profile/15671311338712852659noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-84531550756749602952010-08-26T14:23:54.811-04:002010-08-26T14:23:54.811-04:00@M*P*Lockwood:
(If I may) -- Imagine a bunch of l...@M*P*Lockwood:<br /><br />(If I may) -- Imagine a bunch of laymen (a Japanese heterogeneous class, in this case), trying to understand QM by themselves, including the maths behind (in this case, the Heisenberg picture), from the very basic stuff! <a href="http://www.amazon.com/What-Quantum-Mechanics-Physics-Adventure/dp/0964350440/ref=sr_1_1?ie=UTF8&s=books&qid=1282846472&sr=8-1" rel=Christine Cordula Dantashttps://www.blogger.com/profile/05271747374185459530noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-24038070377775214932010-08-26T14:05:41.352-04:002010-08-26T14:05:41.352-04:00Bee,
I can see how you wouldn't want to waste...Bee,<br /><br />I can see how you wouldn't want to waste the time explaining something clarified elsewhere. I suppose I've read enough of these layman's books that I am now always looking for a little more depth, yet still don't have the time to enroll in undergraduate studies. This middle ground might be too small a target audience for there to be many books. (Feynman is one of M*P*Lockwoodhttps://www.blogger.com/profile/11740436901803793444noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-16180132526476113952010-08-26T09:20:11.179-04:002010-08-26T09:20:11.179-04:00The calorimeter design for GLAST(now Fermi) produc...<i>The calorimeter design for GLAST(now Fermi) produces flashes of light that are used to determine how much energy is in each gamma-ray. A calorimeter ("calorie-meter") is a device that measures the energy (heat: calor) of a particle when it is totally absorbed. CsI(Tl) bars, arranged in a segmented manner, give both longitudinal and transverse information about the energy deposition PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-2236123732007410732010-08-26T08:23:45.345-04:002010-08-26T08:23:45.345-04:00"This is the first ever experiment of its kin...<i>"This is the first ever experiment of its kind that tests Born rule in such a dedicated and precise fashion," said IQC director Raymond Laflamme</i><a href="http://newsrelease.uwaterloo.ca/news.php?id=5215" title="Communications and Public Affairs-2010-07-23" rel="nofollow">IQC-led research team tests fundamental rule in Science paper</a><br /><br />So many names, so many places.<br PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-24537992618752179212010-08-26T07:33:51.394-04:002010-08-26T07:33:51.394-04:00I DO consider QM as "basic.
Basic or fundame...<i>I DO consider QM as "basic.</i><br /><br />Basic or fundamental? Or both?<br /><br /><i>I expect and suspect you think Gen Rev is the best starting place.</i><br /><br />I am not certain what the best starting place is.<br /><br /><i>each should seek to become an expert in BOTH theories before pushing the absolutely amazing field of Quantum Gravity forward</i><br /><br />Yes, these are Christine Cordula Dantashttps://www.blogger.com/profile/05271747374185459530noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-91031583277882690122010-08-26T02:37:32.501-04:002010-08-26T02:37:32.501-04:00Hi Phil,
It was actually Rob Myers who was PI'...Hi Phil,<br /><br />It was actually Rob Myers who was PI's interim director before Turok was hired, not Laflamme. Best,<br /><br />B.Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-80965558887191759272010-08-25T23:50:16.607-04:002010-08-25T23:50:16.607-04:00Zeilinger and his group have only just begun to co...<i>Zeilinger and his group have only just begun to consider the grand implications of all their work for reality and our world. Like others in their field, they had focused on entanglement and decoherence to construct our future information technology, such as quantum computers, and not for understanding reality. But the group’s work on these kinds of applications pushed up against quantum PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-86524622828520061502010-08-25T16:05:57.292-04:002010-08-25T16:05:57.292-04:00Steven: thanks, and I saw that post this morning a...Steven: thanks, and I saw that post this morning and saved it on the stack, but mostly influenced by Feynman's 'QED strange theory' which seems to be quite an improvement over Vol III of lectures. A. Zee is right that this is not a popularization - at least not in the usual sense. I began to get it after 3 readings,and looking at his Thesis and Hibbs and others inbetween. The only joel ricehttps://www.blogger.com/profile/06048310899055838262noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-78660354572764903852010-08-25T15:13:55.721-04:002010-08-25T15:13:55.721-04:00Yes, Christine, I DO consider QM as "basic.&q...Yes, Christine, I DO consider QM as "basic." Very much so. We do live in a "quantum mechanical universe", do we not? I am open-minded however and am willing to listen to non-crackpot people who disagree, but I think such people would have a very tough time explaining their case.<br /><br />We also live in a General Relativistic universe, on the macro- to cosmic- scale, as wellSteven Colyerhttps://www.blogger.com/profile/10435759210177642257noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-32036605231797753402010-08-25T12:35:15.968-04:002010-08-25T12:35:15.968-04:00NOTE to Aussies and Kiwis of New Zealand. Is YOUR ...<i>NOTE to Aussies and Kiwis of New Zealand. Is YOUR slow time February? Just curious.</i><br /><br />And then two whole (developing) continents below the equator are out. Maybe Americans think that, apart from their own (north) America, only the English speaking empire matters?? :)<br /><br />Just kidding.<br /><br />Here in Brazil, "slow time" is January. But since in February it is *Christine Cordula Dantashttps://www.blogger.com/profile/05271747374185459530noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-55094248171624941202010-08-25T12:08:42.752-04:002010-08-25T12:08:42.752-04:00I meant Volume III, Phil.I meant Volume III, Phil.Steven Colyerhttps://www.blogger.com/profile/10435759210177642257noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-13108069883678965762010-08-25T12:06:04.614-04:002010-08-25T12:06:04.614-04:00What IS this?! Quantum Mechanics week?!
I mean, I...What IS this?! Quantum Mechanics week?!<br /><br />I mean, I understand this is August, and therefore north of the Equator, deep summer, and so VACATION month (for example, I'm in Cape Cod now 300 miles from my house), so the "news" is kind of slow, but really, does that mean we reorganize our minds and "get back to basics" so to speak?<br /><br />Maybe so. Nothing wrong Steven Colyerhttps://www.blogger.com/profile/10435759210177642257noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-38086212075326706602010-08-25T11:35:47.432-04:002010-08-25T11:35:47.432-04:00From reading Feynman's QED it is clear that he...From reading Feynman's QED it is clear that he is adding, multiplying and taking norms of complex numbers. (why physicists insist on saying it's the square is beyond me). The probability interpretation rests on making sure that all the possibilities are listed, with their amplitudes. Since we do not challenge the consistency of Complex Arithmetic the only question is the completeness of joel ricehttps://www.blogger.com/profile/06048310899055838262noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-7146554044389095862010-08-25T11:24:52.181-04:002010-08-25T11:24:52.181-04:00Again toward parameters of thinking "such a b...Again toward parameters of thinking "such a box" can have a bend too?<br /><br />The difference, is between calorimeter and colorimetric?<br /><br />Historically Penrose liked to <a href="http://www.newton.cam.ac.uk/webseminars/hartle60/2-penrose/032.jpg" rel="nofollow">speculate</a> too?<br /><br />Best,PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-75052781610773013202010-08-25T11:11:22.498-04:002010-08-25T11:11:22.498-04:00This comment has been removed by the author.PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-12076936608799448382010-08-25T11:09:51.991-04:002010-08-25T11:09:51.991-04:00Bee,
"Entanglement" however, in contras...Bee,<br /><br /><i>"Entanglement" however, in contrast to Born's rule, is not an axiom of quantum mechanics, rather, it's a consequence.</i><br /><br />Yes for sure, following the history to today, most assuredly spooky action at a distance has to have consequences.:)<br /><br /> Cryptography? Quanglement?<br /><br />Joel Rice,<br /><br /><i>but one would have to entertain pathsPlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-6842825320501979802010-08-25T07:34:35.079-04:002010-08-25T07:34:35.079-04:00Hi Bee,
“There must be about ten-thousand introdu...Hi Bee,<br /><br /><i>“There must be about ten-thousand introductions to quantum mechanics on a layman level that have done that already.” </i><br /><br />I would say the best way for a laymen to come to know QM in a general way is to read two books, The first being “The Feynman Lectures on Physics: Volume Three” as it introduces the basic concepts along with the working version of the Born rulePhil Warnellhttps://www.blogger.com/profile/15671311338712852659noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-56746311088677062062010-08-25T07:21:32.780-04:002010-08-25T07:21:32.780-04:00There is a website and a book that give the cleare...There is a website and a book that give the clearest introductions to QM I have ever read, bearing in mind I have only read a hundred or so, out of the 10,000 perhaps that exist.<br /><br />They are:<br /><br />Website: <a href="http://www.ipod.org.uk/reality/index.asp" rel="nofollow">What is Reality?</a> by Dr. Andrew Thomas, English electrical engineer, specifically the 1st six pages. It's Steven Colyerhttps://www.blogger.com/profile/10435759210177642257noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-46458225227143145392010-08-25T07:13:53.647-04:002010-08-25T07:13:53.647-04:00This comment has been removed by the author.Steven Colyerhttps://www.blogger.com/profile/10435759210177642257noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-50763914141168220432010-08-25T03:38:58.889-04:002010-08-25T03:38:58.889-04:00Hi MPLockwood,
There must be about ten-thousand i...Hi MPLockwood,<br /><br />There must be about ten-thousand introductions to quantum mechanics on a layman level that have done that already. Sean Carroll for example in his book <a href="http://backreaction.blogspot.com/2010/06/book-review-from-eternity-to-here-by.html" rel="nofollow">from eternity to here</a> does a pretty good job, so does Feynmann in his book <a href="http://www.amazon.com/Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-48522071921002223452010-08-24T23:02:57.977-04:002010-08-24T23:02:57.977-04:00What should we conclude if planetary systems show ...What should we conclude if planetary systems show clear evidence for quantized planetary spacing and dynamics? <br /><br />For instance, if the Bode-Titus Law is not a "fluke", but rather is more the norm for multi-planet systems, what do we make of that?<br /><br />See NASA data release + news conference on Thursday, 8/26/10.<br /><br />The debate over the true nature of the structure Robert L. Oldershawhttps://www.blogger.com/profile/15396555790655312393noreply@blogger.com