tag:blogger.com,1999:blog-22973357.post6309027003162093880..comments2023-09-27T07:44:19.769-04:00Comments on Sabine Hossenfelder: Backreaction: This and ThatSabine Hossenfelderhttp://www.blogger.com/profile/06151209308084588985noreply@blogger.comBlogger73125tag:blogger.com,1999:blog-22973357.post-11116902869908954992011-03-09T12:10:40.515-05:002011-03-09T12:10:40.515-05:00Folks, do yourselves a favor and please click here...Folks, do yourselves a favor and please click <a href="http://www.npr.org/blogs/13.7/2011/03/09/134373659/theory-of-everything-still-searching?ft=1&f=114424647" rel="nofollow">here</a>, which is the 2nd weblog post up on the 11th Issac Asimov Memorial "Debates", by one of the participants, Marcelo Gleiser.<br /><br />Simply, it's very frank and real. It doesn't pull any Steven Colyerhttps://www.blogger.com/profile/10435759210177642257noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-82334036206268533922011-03-09T00:00:45.415-05:002011-03-09T00:00:45.415-05:00"The progress [in string theory] over the las..."The progress [in string theory] over the last 10 years has only solidified my confidence that this is a worthwhile direction to pursue."<br />... Brian Greene, at the 11th Asimov Debate 3/7/11<br /><br />Yeah, minus the last 2 months, Brian.<br /><br />"Are you [string theorists] chasing a ghost or is the collection of you just too stupid to figure this out?" Neil deGrasse Steven Colyerhttps://www.blogger.com/profile/10435759210177642257noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-27707071291130924412011-03-07T14:14:43.741-05:002011-03-07T14:14:43.741-05:00/..but why are people talking about TOE when we do.../..but why are people talking about TOE when we don't even have GUT yet..*/<br /><br />Because from such TOE could follow, no GUT scale actually exists. Recently some theories, inside of black holes another Universes exists became popular - where is the limit of mass/energy scale, after then? Not to say, the GUT scale appears inherently fuzzy in the same way, like the particle horizon of the Zephirhttps://www.blogger.com/profile/06010623752049244967noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-48889802173179996802011-03-07T12:28:31.764-05:002011-03-07T12:28:31.764-05:00Please excuse this impertinent newbie's questi...Please excuse this impertinent newbie's question, but why are people talking about TOE when we don't even have GUT yet?<br /><br />Also, Loop Quantum Gravity, cool enough, but ...<br /><br />Isn't it possible, as Brian Greene stated in one of his books, that CDT, LQG and SST can all three exist in the same universe, just at different length and time scales? Well actually he didn'tSteven Colyerhttps://www.blogger.com/profile/10435759210177642257noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-42242502242890021832011-03-07T11:26:48.562-05:002011-03-07T11:26:48.562-05:00These are hard times for physicists working on sup...<i>These are hard times for physicists working on supersymmetry.</i><br /><br />Yeah, well, Lubos just posted his Lubosian defense up at his blog, so I guess we know where Zephir is going. Any chance he'll let your reply through, Zephir?<br /><br />Regarding tonight's debate, thanks to Bee and Stefan's coverage here I think we know what Gleiser, Smolin, and Greene will say.<br /><br /Steven Colyerhttps://www.blogger.com/profile/10435759210177642257noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-11442606541000700992011-03-07T11:25:24.333-05:002011-03-07T11:25:24.333-05:00This comment has been removed by the author.Steven Colyerhttps://www.blogger.com/profile/10435759210177642257noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-56389195422908944122011-03-07T11:07:53.597-05:002011-03-07T11:07:53.597-05:00Re space: it indeed cannot really be a "nothi...<i>Re</i> space: it indeed cannot really be a "nothingness" for it has a certain number of dimensions that confine objects within it. Although we can construct an "empty space" as a mathematical entity (after all, a coordinate system) that doesn't mean a physical space could be like that and really be "nothing" - if any entities are within it, they are Neil Bateshttps://www.blogger.com/profile/04564859009749481136noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-8662650194502698752011-03-07T07:24:37.436-05:002011-03-07T07:24:37.436-05:00Hi Plato,
“So thanks Phil for reawakening”
Anyti...Hi Plato,<br /><br />“So thanks Phil for reawakening”<br /><br />Anytime I rattle something to have them aroused requires no thanks, particularly when all I offered is an echo from the past. Anyway I do find Cantor’s conclusions interesting in regards to the character of an unbroken continuum as it relates to a broken one. <br /><br />Interestingly enough when I was first alerted to this way of Phil Warnellhttps://www.blogger.com/profile/15671311338712852659noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-16801604935743811382011-03-07T06:09:15.498-05:002011-03-07T06:09:15.498-05:00/*..the true kernel of Descartes' idea; there .../*..the true kernel of Descartes' idea; there exists no space "empty of field..*/<br /><br />Such space would appear like void empty singularity for every gradient formed creatures like the people. In AWT the existence of space-time gradients is necessary (but not the only one) condition of existence of space.Zephirhttps://www.blogger.com/profile/06010623752049244967noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-45244540942562221042011-03-07T02:23:01.105-05:002011-03-07T02:23:01.105-05:00Hi Steven,
“I'll pay the $5.50 tax that Pres....Hi Steven,<br /><br />“I'll pay the $5.50 tax that Pres. Obama charges you Canadians, Phil, I'm feeling that magnanimous. :-)”<br /><br />If I had a private jet and not also being so tied up myself I’d make the trip despite your Commander and Chief’s assessment of the burden my countryperson’s inflict on your bottom line:-) Actually though this is <a href="http://www.tvo.org/cfmx/tvoorg/Phil Warnellhttps://www.blogger.com/profile/15671311338712852659noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-79545083802317789742011-03-07T01:08:13.917-05:002011-03-07T01:08:13.917-05:00As Woit had mentioned at his blog, there will be a...As Woit had mentioned at his blog, there will be a TOE debate at The American Museum of Natural History, today (Monday March 7) at 7:30 pm, at <a href="http://www.amnh.org/calendar/event/2011-Isaac-Asimov-Memorial-Debate/" rel="nofollow">The Annual Isaac Asimov Memorial Debate</a>.<br /><br />Given the big names: Smolin, Gleiser, Greene, and 3 others, I'm not sure how much time there will be Steven Colyerhttps://www.blogger.com/profile/10435759210177642257noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-16984573773376942332011-03-07T01:07:12.818-05:002011-03-07T01:07:12.818-05:00Hi Steven,
Probably the easiest way to express it...Hi Steven,<br /><br />Probably the easiest way to express it is that physical space requires dimension(s) while numbers don’t. Never the less, with Cantor’s revelations respective of the Aleph, although numbers don’t have dimensions, they do have cardinality(s), which can accommodate their existence. It’s too bad that the Pythagoreans hadn’t realized this as to have saved us from a few thousandsPhil Warnellhttps://www.blogger.com/profile/15671311338712852659noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-22686827936346066912011-03-06T23:04:18.619-05:002011-03-06T23:04:18.619-05:00OK Phil, I gotcha. Sorry, I guess I was thinking l...OK Phil, I gotcha. Sorry, I guess I was thinking like an Engineer, and you like a ... Philosopher. :-)<br /><br />What the wheel paradox pointed out to me is how an animation in this case, or a mental construct in the case of the ancients (and ourselves today ... were we not so dependent on 'puters), conflicts with the REAL world.<br /><br />In other words, if those were rubber band lines, Steven Colyerhttps://www.blogger.com/profile/10435759210177642257noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-40324555596725442992011-03-06T23:03:27.478-05:002011-03-06T23:03:27.478-05:00This comment has been removed by the author.Steven Colyerhttps://www.blogger.com/profile/10435759210177642257noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-75889923528095240782011-03-06T20:58:58.434-05:002011-03-06T20:58:58.434-05:00/* ..what is to account for this seemingly marked .../* ..what is to account for this seemingly marked distinction between the character of many eastern European thinkers and those of the west...*/<br /><br />It's true, the easter civilization preffers more holistic approach historically, whereas the western one more individualistic one - but this difference is fuzzy today due the cultural convergence. SUSY in particular has been proposed Zephirhttps://www.blogger.com/profile/06010623752049244967noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-10451249973184604392011-03-06T19:51:58.390-05:002011-03-06T19:51:58.390-05:00Consider this:
The perspective of valuations with...Consider this:<br /><br />The perspective of valuations with regard to the LHC is whether or not there is sufficient energy within the confines of LHC experiments in which to satisfy the questions about those extra dimensions. It seems the parameters of those decisions seem to be sufficient with current article links?<br /><br />Best,PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-49986288394448556992011-03-06T18:38:12.030-05:002011-03-06T18:38:12.030-05:00Bean Machine
Binomial Coefficients<a href="http://en.wikipedia.org/wiki/Bean_machine" title="Overlaying Pascal's triangle onto the pins shows the number of different paths that can be taken to get to each pin." rel="nofollow">Bean Machine</a><br /><br /><a href="http://mathforum.org/workshops/usi/pascal/pascal_binomial.html" title="Binomial expansion refers to a formula by which one can " rel="nofollow">Binomial Coefficients<PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-50063645605814400992011-03-06T18:12:51.799-05:002011-03-06T18:12:51.799-05:00The feeling is in the air that we might be one ste...<i>The feeling is in the air that we might be one step closer to a solution. Dyson might be right that the opportunity was missed to discover relativity 40 years earlier, but who knows how long we might still have had to wait for the discovery of connections between primes and quantum physics had mathematicians not enjoyed a good chat over tea. </i><a href="http://www.seedmagazine.com/news/2006/PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-25721344577020150062011-03-06T17:31:39.293-05:002011-03-06T17:31:39.293-05:00The surface of a marble table is spread out in fro...<i>The surface of a marble table is spread out in front of me. I can get from any one point on this table to any other point by passing continuously from one point to a "neighboring" one, and repeating this process a (large) number of times, or, in other words, by going from point to point without executing "jumps." I am sure the reader will appreciate with sufficient PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-30993350577138316902011-03-06T17:04:58.333-05:002011-03-06T17:04:58.333-05:00Cantor continued to correspond with Dedekind, shar...<i>Cantor continued to correspond with Dedekind, sharing his ideas and seeking Dedekind's opinions, and he wrote to Dedekind in 1877 proving that there was a 1-1 correspondence of points on the interval [0, 1] and points in p-dimensional space. Cantor was surprised at his own discovery and wrote:-</i><a href="http://www-history.mcs.st-and.ac.uk/Biographies/Cantor.html" title="Born-3 March PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-25187299755211766822011-03-06T12:55:58.386-05:002011-03-06T12:55:58.386-05:00Hi Steven,
I have some level of comfort when it c...Hi Steven,<br /><br />I have some level of comfort when it comes to matters of the Aleph and yet that would be as much as to say I’m fairly comfortable as to finding myself in reality more generally. The reason I chose to us waves as they contrast to straight lines, is I find such a concept in itself a more everyday familiar way to express the manifestation and consequences related to Phil Warnellhttps://www.blogger.com/profile/15671311338712852659noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-26238418250923396512011-03-06T12:20:12.318-05:002011-03-06T12:20:12.318-05:00No, it's NOT off-topic, Phil, Bee opens up dis...No, it's NOT off-topic, Phil, Bee opens up discussion about Loop Quantum Gravity here, and all I'm saying that spherical cows, while wonderful, don't necessarily reflect the "real" world, and "Reality", by a better name, is "Physics."<br /><br />As I wrote at my blog re your response to my comments re the mind-blowing Wheel paradox:<br /><br />Yeah, I Steven Colyerhttps://www.blogger.com/profile/10435759210177642257noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-31626313453272229992011-03-06T11:40:51.202-05:002011-03-06T11:40:51.202-05:00Hi Steven,
As this is certainly off topic I’ve re...Hi Steven,<br /><br />As this is certainly off topic I’ve redirected my response to its proper place:-)<br /><br />Best,<br /><br />PhilPhil Warnellhttps://www.blogger.com/profile/15671311338712852659noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-57696414393494248702011-03-06T11:13:28.521-05:002011-03-06T11:13:28.521-05:00Sorry Phil, it's not a magician's trick, i...Sorry Phil, it's not a magician's trick, it's a real paradox that vexed thousands across centuries until friction and slipping and sliding were found to be the explanation. It's one of the rare times that Engineering trumped Mathematics than the other way around. I explain at my latest weblog entry, which I am loathe to link to in fear it violates Comment Rule # 5. Also, believe Steven Colyerhttps://www.blogger.com/profile/10435759210177642257noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-38476424875978194052011-03-06T10:49:25.940-05:002011-03-06T10:49:25.940-05:00Hi Steven,
I tend to look at your wheel problem i...Hi Steven,<br /><br />I tend to look at your wheel problem in considering the center of motion as the only commonality and to envision the travel of each wheel from a point on each circumference mapping out respective waves, as having the frequency the same and yet the amplitude of each vary although the total forward journeyed length being the same. In other words it’s a magician’s trick, where Phil Warnellhttps://www.blogger.com/profile/15671311338712852659noreply@blogger.com