Thanks Richard, quite interesting, though obviously the jury is still out...
Edgar On Sunday, January 26, 2014 12:54:19 PM UTC-5, yanniru wrote: > > Edgar, > Regarding " Nobody actually knows what happens in the singularity itself", > Poplawski using Einstein equations with spin has determined what happens > inside a black hole: > > "In 2011, Nikodem > Popławski<http://en.wikipedia.org/wiki/Nikodem_Pop%C5%82awski> showed > that a nonsingular Big Bounce appears naturally in the > Einstein-Cartan<http://en.wikipedia.org/wiki/Einstein%E2%80%93Cartan_theory>-Sciama-Kibble > > theory of gravity.[7]<http://en.wikipedia.org/wiki/Big_Bounce#cite_note-7> > This > theory extends general relativity by removing a constraint of the symmetry > of the affine connection and regarding its antisymmetric part, the torsion > tensor <http://en.wikipedia.org/wiki/Torsion_tensor>, as a dynamical > variable. The minimal coupling between torsion and Dirac spinors generates > a spin-spin interaction which is significant in fermionic matter at > extremely high densities. Such an interaction averts the unphysical Big > Bang singularity, replacing it with a cusp-like bounce at a finite minimum > scale factor, before which the Universe was contracting. This scenario also > explains why the present Universe at largest scales appears spatially flat, > homogeneous and isotropic, providing a physical alternative to cosmic > inflation." > http://en.wikipedia.org/wiki/Big_Bounce > Richard > > > On Sun, Jan 26, 2014 at 12:41 PM, Edgar L. Owen <[email protected]<javascript:> > > wrote: > >> Richard, >> >> Well, electric charges can theoretically come out of a black hole, just >> NOT the singularity in particular as you suggested. Nobody actually knows >> what happens in the singularity itself, or at least there is no consensus. >> I made one suggestion with reference to a bouncing universe and gravitation >> and entropy reversal in a previous post. >> >> However due to the almost impossible task of compressing any significant >> electrically charged matter to black hole densities black holes are not >> expected to exist with any significant electric charges.... >> >> Edgar >> >> >> >> >> On Sunday, January 26, 2014 9:36:16 AM UTC-5, yanniru wrote: >>> >>> Edgar, >>> >>> Electric fields also come out if the BH singularity has a charge. >>> Richard >>> >>> >>> On Sun, Jan 26, 2014 at 8:01 AM, Edgar L. Owen <[email protected]> wrote: >>> >>>> OK, time for THE ANSWER TO MY QUESTION of how gravity can escape from a >>>> black hole.... >>>> >>>> Liz, Brent, and Richard, >>>> >>>> OK, nobody got the answer so I'll explain it myself. It's pretty simple >>>> but still pretty profound and thought provoking.... >>>> >>>> Gravity IS what needs to be escaped. So it doesn't even make sense to >>>> ask how gravity could escape ITSELF. >>>> >>>> There wouldn't even be a black hole if gravity hadn't already escaped >>>> the black hole to create its gravitational effect. >>>> >>>> So what this means is that gravity is the only thing than CAN escape a >>>> black hole because it is gravity itself that creates the gravitational >>>> field that must be escaped! >>>> >>>> Thus gravity, and only gravity, can manifest freely OUTSIDE a black >>>> hole the effects of its INSIDE mass. >>>> >>>> Thus gravity is the only thing that freely COMES OUT of a black hole >>>> through the event horizon, because what stops everything else from coming >>>> out is gravity itself. But obviously gravity can't stop itself from coming >>>> out through the event horizon, because only its already manifesting >>>> presence is what stops everything else from coming out through the event >>>> horizon, but it already must have come out to stop everything else from >>>> coming out... >>>> >>>> Thus before gravity comes out through the event horizon, there is >>>> nothing to stop anything from coming out. Thus gravity can freely emerge >>>> through the event horizon and only by doing so is it able to prevent >>>> anything else from coming out.... >>>> >>>> Hope I'm explaining this clearly? >>>> >>>> Edgar >>>> >>>> >>>> >>>> On Saturday, January 25, 2014 1:29:45 AM UTC-5, Liz R wrote: >>>>> >>>>> On 25 January 2014 16:31, meekerdb <[email protected]> wrote: >>>>> >>>>>> On 1/24/2014 4:41 PM, Edgar L. Owen wrote: >>>>>> >>>>>>> Brent, >>>>>>> >>>>>>> No, my proposed dark matter effect has nothing to do with black >>>>>>> holes. Black holes are caused by accumulations of actual visible >>>>>>> matter, >>>>>>> not by the Hubble expansion of space... >>>>>>> >>>>>>> However I do have a question for you. Since gravitational changes >>>>>>> propagate at the speed of light how does the mass inside a black hole >>>>>>> produce gravitational effects outside the black hole? If light can't >>>>>>> come >>>>>>> out how can gravitational effects come out? >>>>>>> >>>>>> >>>>>> You are thinking of gravity as mediated by force particles, like >>>>>> photons mediate the EM forces. But (at least classically) gravity isn't >>>>>> a >>>>>> force, it's just a shape of space and as I responded to Liz, there's not >>>>>> mass in a black hole, no T_u_v term in the Einstein equation. It's a >>>>>> vacuum solution. That's why it doesn't make any different what falls in >>>>>> to >>>>>> create the black hole. The effects outside the event horizon are just >>>>>> that >>>>>> the space is warped there just *as if* the black hole were a massive >>>>>> object. >>>>>> >>>>>> I believe Richard Feynmann was asked the same question (about how >>>>> gravity "escapes" a black hole). Of course gravity WAVES can't escape a >>>>> black hole... >>>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Everything List" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To post to this group, send email to [email protected]. >>>> Visit this group at http://groups.google.com/group/everything-list. >>>> For more options, visit https://groups.google.com/groups/opt_out. >>>> >>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "Everything List" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to [email protected]<javascript:> >> . >> Visit this group at http://groups.google.com/group/everything-list. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/groups/opt_out.
