tag:blogger.com,1999:blog-22973357.post115896117143449146..comments2023-09-27T07:44:19.769-04:00Comments on Sabine Hossenfelder: Backreaction: Micro Black HolesSabine Hossenfelderhttp://www.blogger.com/profile/06151209308084588985noreply@blogger.comBlogger39125tag:blogger.com,1999:blog-22973357.post-59636632422827632112008-04-25T09:32:00.000-04:002008-04-25T09:32:00.000-04:00Hi Bob,Please read this. Best,B.Hi Bob,<BR/><BR/><A HREF="http://backreaction.blogspot.com/2007/01/micro-black-day.html" REL="nofollow">Please read this</A>. Best,<BR/><BR/>B.Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-17119151756933482872008-04-25T09:11:00.000-04:002008-04-25T09:11:00.000-04:00Micro black hole as energy source?If a Planck-size...Micro black hole as energy source?<BR/><BR/>If a Planck-sized remnant remains after the mbh spins down, then this question arises: what happens when the mbh next encounters a particle? Presumably, it immediately emits the particle as Hawking Radiation and reverts to its stable remnant state.<BR/><BR/>Might this make the MBH a perfect mass-to-energy converter and hence an ideal energy source, Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-22973357.post-90622651685533513612008-03-28T22:46:00.000-04:002008-03-28T22:46:00.000-04:00Wagner is suing LHC. http://cosmiclog.msnbc.msn.co...Wagner is suing LHC. <BR/><BR/>http://cosmiclog.msnbc.msn.com/archive/2008/03/27/823924.aspx<BR/><BR/>http://cosmiclog.msnbc.msn.com/<BR/>archive/2008/03/27/823924.aspxAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-22973357.post-6161507706062134732007-09-03T15:29:00.000-04:002007-09-03T15:29:00.000-04:00The Large Hadron Collider [LHC]at CERN might creat...The Large Hadron Collider [LHC]at CERN might create numerous different particles that heretofore have only been theorized. Numerous peer-reviewed science articles have been published on each of these, and if you google on the term "LHC" and then the particular particle, you will find hundreds of such articles, including:<BR/><BR/>1) Higgs boson<BR/><BR/>2) Magnetic Monopole<BR/><BR/>3) Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-22973357.post-60719614696637737082007-06-13T09:39:00.000-04:002007-06-13T09:39:00.000-04:00why do the fundamental particles themselves not be...why do the fundamental particles themselves not behave as black holes???<BR/>i mean matter cant get denser than the most fundamental comprising units, the fundamental particles such as the proton etc.<BR/> if black holes were to be denser(i dont know if they are)than the fundamentalparticles...then particles wud hav to overlap....is that possible?Sameerhttps://www.blogger.com/profile/05842212563735355187noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-48523717641659674962007-02-18T02:37:00.000-05:002007-02-18T02:37:00.000-05:00Has there been any discussion of the quantum micro...Has there been any discussion of the quantum micro black holes that theoretically formed the shape of the universe by growing into filament structure from the time they came into existence after the big bang. Is it truely safe to create a micro black hole given there is no room in quantum for it to radiate back out. Could it form a new galaxy out of the swallowed remnants of our current galaxy. Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1168506667494064712007-01-11T04:11:00.000-05:002007-01-11T04:11:00.000-05:00Very interesting post. Thanks.Very interesting post. Thanks.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159550130726650422006-09-29T13:15:00.000-04:002006-09-29T13:15:00.000-04:00Hi Plato,Thanks! I have added a link to your piece...Hi Plato,<BR/><BR/>Thanks! I have added a link to your piece. Best,<BR/><BR/>B.Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159414912840923522006-09-27T23:41:00.000-04:002006-09-27T23:41:00.000-04:00I can't believe I had missed this whole post and c...I can't believe I had missed this whole post and comment section, only to find it here today.<BR/><BR/><A HREF="http://eskesthai.blogspot.com/2006/08/beyond-spacetime.html" REL="nofollow">Microstate blackholes</A> have been occupying my mind for some time now.<BR/><BR/>See: <BR/><BR/><A HREF="http://eskesthai.blogspot.com/2006/07/star-lite-public-outreach.html" REL="nofollow">Star-lite Public PlatoHagelhttps://www.blogger.com/profile/00849253658526056393noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159349712131739772006-09-27T05:35:00.000-04:002006-09-27T05:35:00.000-04:00Hi Paul, thanks for that. You caught my drift.Furt...Hi Paul, thanks for that. <BR/>You caught my drift.<BR/><BR/><B>Further thoughts Bee,</B><BR/>in the macroscale a Star explodes, and 'almost' evaporates, all we have left is hot gas and radiation ... and no massive singularity, no periphery, and hence no Black Hole. The cloud of gas just drifts thru Space like a cloud (nebula)<BR/><BR/><EM>and in some other cases</EM><BR/>the Star implodes we QUASAR9https://www.blogger.com/profile/00593390598251093182noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159311257892049252006-09-26T18:54:00.000-04:002006-09-26T18:54:00.000-04:00With respect to: An ink drop has an event horizon....With respect to: An ink drop has an event horizon.<BR/><BR/>I believe that there could be an analogy to Q9 thinking this?<BR/><BR/>There is no EVENT horizon of an ink_drop, but what can be a very similar occurrence is it, (inkdrop) has a SURFACE_TENSION.<BR/><BR/>Now the properties of surface tension are specific to the inkdrops boundary, it surface.<BR/><BR/>For Blackholes, I believe there was aAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159310989285878352006-09-26T18:49:00.000-04:002006-09-26T18:49:00.000-04:00Bee said: "An ink drop definitely has no event hor...<EM> Bee said: "An ink drop definitely has no event horizon."</EM><BR/><BR/>Bee, the event horizon of an inkblot is its periphery regardless of the fact you can perfectly well probe its inside and obtain information about it e.g. by making Rutherford-like experiments or the like.<BR/><BR/>The event horizon of a teardrop is its surface, (regardless of the fact that you can perfectly probe its QUASAR9https://www.blogger.com/profile/00593390598251093182noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159292407290043092006-09-26T13:40:00.000-04:002006-09-26T13:40:00.000-04:00Dear Quasar,It is not important what we call it, a...Dear Quasar,<BR/><BR/><I><BR/>It is not important what we call it, as long as we understand what we mean by the term microstate black hole.</I><BR/><BR/>Yes. So, what do YOU understand under microstate black hole? I think I made clear what I understand under the micro black holes I wrote about, but it seems you have a different understanding.<BR/><BR/><I>Bee you say it has the qualities that Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159288465979350132006-09-26T12:34:00.000-04:002006-09-26T12:34:00.000-04:00Bee, we (you + I) are moving on two different leve...Bee, we (you + I) are moving on two different levels here, looking at two different planes or even dimensions.<BR/><BR/>a) A collider is not replicating a bigbang producing stars which turn to blackholes<BR/>b) Accelerated and collided particles may or may not produce a microstate blackhole<BR/><BR/>From Ludos: <A HREF="http://www.lepp.cornell.edu/spr/2003-09/msg0053730.html" REL="nofollow">QUASAR9https://www.blogger.com/profile/00593390598251093182noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159259183579046702006-09-26T04:26:00.000-04:002006-09-26T04:26:00.000-04:00PPARC ac ukIt is not important what we call it, as...<A HREF="http://www.pparc.ac.uk/Nw/AST1.asp" REL="nofollow">PPARC ac uk</A><BR/>It is not important what we call it, as long as we understand what we mean by the term microstate black hole.<BR/><BR/>Bee you say it has the qualities that define it as a black hole, an event horizon (but no singularity).<BR/><B>An ink drop has an event horizon.</B><BR/>What I want to know, is what a microstate QUASAR9https://www.blogger.com/profile/00593390598251093182noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159258803933516992006-09-26T04:20:00.000-04:002006-09-26T04:20:00.000-04:00Hi Bee, blogger does some peculiar things sometime...Hi Bee, blogger does some peculiar things sometimes, when it is busy.<BR/>Some people will republish, hence double copies when they go thru, and some will just not republish and comment gets lost.<BR/><BR/>But yes, I think you've asked this before yourself - where do lost comments (which leave no trace) go.<BR/>Do they evaporate into thin air, or just cease to be (never existed)QUASAR9https://www.blogger.com/profile/00593390598251093182noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159228362779945582006-09-25T19:52:00.000-04:002006-09-25T19:52:00.000-04:00nice post. one question is what if black holes don...nice post. one question is what if black holes don't and instead some of the <BR/>proposed alternatives to classical <BR/>BH's are correct (See gr-qc/0310107)<BR/>for one example. How would this change<BR/>the scenarios you discussed?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159209298108201932006-09-25T14:34:00.000-04:002006-09-25T14:34:00.000-04:00Hi Rillian,Thats interesting. In Germany there was...Hi Rillian,<BR/><BR/>Thats interesting. In Germany there was also a natural law party (<A HREF="http://de.wikipedia.org/wiki/Naturgesetz_Partei" REL="nofollow">Naturgesetz Partei</A>). Wikipedia says the party was cancelled worldwide April 30st 2004? For an English version see <A HREF="http://en.wikipedia.org/wiki/United_States_Natural_Law_Party" REL="nofollow">United States Natural Law Party</A>Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159208708094794162006-09-25T14:25:00.000-04:002006-09-25T14:25:00.000-04:00Bee said,It's interesting to think about Smolin's ...Bee said,<BR/><BR/><I>It's interesting to think about Smolin's baby universes when you allow allegedly intelligent lifeforms to produce black holes. Does that mean that the existence of intelligent life itself can improve the 'fitness' of its own universe?</I><BR/><BR/>And if so, by implication, this would have already happened. <A HREF="http://kenmacleod.blogspot.com/" REL="nofollow">Ken MacLeodAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159208684468449842006-09-25T14:24:00.000-04:002006-09-25T14:24:00.000-04:00Well Bee, I guess if my reply can be retrieved, it...Well Bee, I guess if my reply can be retrieved, it means it has not been lost irretriavably, if not it means it has been lost thru some wantum microstate black hole,...QUASAR9https://www.blogger.com/profile/00593390598251093182noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159204148056681322006-09-25T13:09:00.000-04:002006-09-25T13:09:00.000-04:00Evolution of Galaxies<A HTTP://IMGSRC.HUBBLESITE.ORG/HU/DB/2006/12/IMAGES/D/FORMATS/WEB_PRINT.JPG HREF="" REL="nofollow">Evolution of Galaxies</A>QUASAR9https://www.blogger.com/profile/00593390598251093182noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159200518733149462006-09-25T12:08:00.000-04:002006-09-25T12:08:00.000-04:00Dear Quasar,Bee, a microstate bk which may or may ...Dear Quasar,<BR/><BR/><I>Bee, a microstate bk which may or may not disappear into another dimension(?) is not a Black Hole with a singularity which exists in our four dimensional Space 3D+T</I><BR/><BR/>I really don't know what you are talking about. As far as I am concerned, I hope I made it clear in my post above in which way I refer to micro black holes. Once formed, the micro black holes are Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159199387490295412006-09-25T11:49:00.000-04:002006-09-25T11:49:00.000-04:00Dear CIP,I am not completely sure I understand you...Dear CIP,<BR/><BR/>I am not completely sure I understand your confusion, but could it be you are mixing up universal extra dimensions with the here discussed large extra dimension? The radius of the large extra dimensions is much larger than the inverse of the fundamental scale, whereas in universal extra dimensions the radius is typically the inverse of the fundamental scale. (For explanation ofSabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159149647401573082006-09-24T22:00:00.000-04:002006-09-24T22:00:00.000-04:00Perhaps I misunderstand, but I thought the energy ...Perhaps I misunderstand, but I thought the energy scale was implied by the radius of the compactified dimensions. If so, wouldn't the the fact that Fermilab hasn't seen black holes constrain any new energy scale to be several hundred GeV+ ? Or is there some other circumstance I'm neglecting?CapitalistImperialistPighttps://www.blogger.com/profile/17523405806602731435noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-1159138661441838812006-09-24T18:57:00.000-04:002006-09-24T18:57:00.000-04:00as always you are providing me with a surprising a...<EM>as always you are providing me with a surprising and new perspective :-) It's interesting to think about Smolin's baby universes when you allow allegedly intelligent lifeforms to produce black holes. Does that mean that the existence of intelligent life itself can improve the 'fitness' of its own universe?</EM><BR/><BR/>Bee, NO ONE is producing a Black Hole. A microstate bk supposing one QUASAR9https://www.blogger.com/profile/00593390598251093182noreply@blogger.com