Blog entries - January 2012Blog entries - January 2012
http://stardrive.org/stardrive
Tue, 02 Jun 2020 13:06:09 +0100FeedCreator 1.7.3Back From The Future Cosmological Event Horizon Retrocausal Emergent Gravity?
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/back-from-the-future-cosmological-event-horizon-retrocausal-emergent-gravity-.html
In physics, the AdS/CFT correspondence (anti de Sitter/conformal field theory correspondence), sometimes called the Maldacena duality, is the conjectured equivalence between a string theory and gravity defined on one space, and a quantum field theory without gravity defined on the conformal boundary of this space, whose dimension is lower by one or more. The name suggests that the first space is the product of anti de Sitter space (AdS) with some closed manifold like sphere, orbifold, or noncomm...Jack SarfattiFri, 27 Jan 2012 04:19:19 +0100From Robber Barons to Rocket Barons
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/from-robber-barons-to-rocket-barons.html
Jack,<br /><br/><br /><br/>Sorry for answering your important email so late. the URL on our new work is not yet ready, as it is the paper, the one we presented to the 100YSS Symposium was just a draft. In the meantime, I can give you and your friends the following preliminary info.<br /><br/><br /><br/>We (me, Nembo and our Austrian colleague Ivanhoe) are very glad that you are interested in our new concept for an ultra-high specific impulse ion thruster based on the Indium FEEP (Field Emission Electric Pro...Jack SarfattiMon, 23 Jan 2012 07:43:08 +0100Hawking's State of the Universe Address 1-8-12
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/hawkings-state-of-the-universe-address-1-8-12.html
click here<br />Jack SarfattiSun, 22 Jan 2012 13:51:38 +0100Alice through the wormhole 1-21-12
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/alice-through-the-wormhole-1-21-12.html
http://physics.stackexchange.com/questions/19754/how-long-would-it-take-to-travel-through-a-wormholeJack SarfattiSun, 22 Jan 2012 12:48:51 +0100Does gravity glue the electron together?
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/does-gravity-glue-the-electron-together-.html
http://physics.stackexchange.com/questions/19515/could-gravity-hold-electron-charge-togetherJack SarfattiSun, 22 Jan 2012 12:46:53 +0100free floating time like geodesics
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/free-floating-time-like-geodesics.html
http://physics.stackexchange.com/questions/19758/freefall-in-out-of-an-enclosed-environmentJack SarfattiSun, 22 Jan 2012 12:44:49 +0100A physics lecture of mine from 1996
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/a-physics-lecture-of-mine-from-1996.html
Just rediscovered<br /><br/><br /><br/>http://www.tu-harburg.de/rzt/rzt/it/sofie/Science.pdf<br />Jack SarfattiSun, 22 Jan 2012 05:09:46 +0100Zielinski's opinion 1-17-12
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/zielinskis-opinion-1-17-12.html
On Jan 17, 2012, at 10:58 PM, Paul Zielinski wrote:<br /><br/><br /><br/>If this is correct in all details, it's a solid piece of work, and should be published in AJP or Foundations of Physics or<br /><br/>some such journal.<br /><br/><br /><br/>It is very difficult to get a convincing answer to these kinds of questions. No one goes into the required detail.<br /><br/><br /><br/>What you are saying here does make sense to me.<br /><br/><br /><br/>On 1/17/2012 10:35 PM, JACK SARFATTI wrote:<br /><br/>OK here is the answer...Jack SarfattiWed, 18 Jan 2012 12:25:26 +0100Gravimagnetic shift in vacuum speed of light
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/gravimagnetic-shift-in-vacuum-speed-of-light.html
OK here is the answer in standard math notation.<br /><br/><br /><br/>Note the physical speed of light actually measured in the accelerating LNIF is not the same as the formal coordinate speed of light. The physical speed of light is invariant only for those restricted physically relevant general coordinate transformations in which Ray Chiao's gravimagnetic 3-vector potential stays zero before and after the frame transformation. When the gravimagnetic potential is not zero there are generally two ...Jack SarfattiWed, 18 Jan 2012 11:37:24 +0100Gravity Frequency Shifts in Accelerating Frames
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/gravity-frequency-shifts-in-accelerating-frames.html
[1 + c(LIF)^-1(g0i/g00)(dx^i/dt) + c(LIF)^-2gij(dx^i/dt)(dx^j/dt)]^-1/2ds(invariant) = c(LIF)dT(LNIF)<br /><br/><br /><br/>GAMMA(LNIF)ds(LNIF) = GAMMA(LNIF')ds(LNIF')<br /><br/><br /><br/>f(LNIF')GAMMA(LNIF) = f(LNIF)GAMMA(LNIF')<br /><br/><br /><br/>f(LNIF')/f(LNIF) = GAMMA(LNIF')/GAMMA(LNIF)<br /><br/><br /><br/>also<br /><br/><br /><br/>f(LNIF')/f(LIF) = GAMMA(LNIF')<br /><br/><br /><br/>because GAMMA(LIF) = 1<br /><br/><br /><br/>note all of these frames are LOCALLY COINCIDENT <br /><br/><br /><br/>al...Jack SarfattiTue, 17 Jan 2012 22:14:05 +0100Observable LNIF speed of light in vacuum =/= coordinate speed of light v.2
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/observable-lnif-speed-of-light-in-vacuum-coordinate-speed-of-light-v2.html
<p><br /> On Jan 16, 2012, at 11:50 PM, Paul Zielinski wrote:<br /> PZ: Well if your calculation here is correct, this does appear to put things in a different light.<br /> JS: Well where is the error? Are you saying this is an original way of looking at an old problem?<br /> On Jan 16, 2012, at 8:55 PM, Paul Zielinski wrote:<br /> Yes I think it's important to emphasize that GCT invariance is sufficient but not necessary for frame invariance.<br /> the only reliable invariant for light is ds = ...Jack SarfattiTue, 17 Jan 2012 21:43:31 +0100Z: Even I have to admit that this does look interesting. 12-16-12 v.2
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/z-even-i-have-to-admit-that-this-does-look-interesting-12-16-12-v2.html
<p>Z: Even I have to admit that this does look interesting.<br /> What don't you get? This seems so obvious and elementary I can't believe it's new?<br /> I mean this is Physics 101 level at a small college I would think?<br /> On Jan 16, 2012, at 8:09 PM, Paul Zielinski wrote:<br /> On 1/16/2012 7:58 PM, JACK SARFATTI wrote:<br /> On Jan 16, 2012, at 7:54 PM, Z wrote:<br /> Either frame acceleration *per se* has an effect on *locally* observed light speed, or it doesn't.<br /> I proved it...Jack SarfattiTue, 17 Jan 2012 12:44:27 +0100Quadratic Equation for Speed of Light in Accelerating Rotating Frames
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/quadratic-equation-for-speed-of-light-in-accelerating-rotating-frames.html
Is this result published in the literature?<br /><br/><br /><br/>On Jan 15, 2012, at 4:06 PM, JACK SARFATTI wrote:<br /><br/><br /><br/><br /><br/>(1 + phi/c^2) + A.c'/c + c'^2/c^2 = 0<br /><br/><br /><br/>A.c' = Ac'cos(A,c')<br /><br/><br /><br/>x = c'/c<br /><br/><br /><br/>x^2 + Acos(A,c')x + (1 + phi/c^2) = 0<br /><br/><br /><br/>x(+,-) = [-Acos(A,c') +,- [A^2cos^2(A,c') - 4(1 + phi/c^2)]^1/2/2<br /><br/><br /><br/>At a horizon<br /><br/><br /><br/>(1 + phi/c^2) = 0<br /><br/><br /><br/>x(+,-) = [-Acos(A,c...Jack SarfattiMon, 16 Jan 2012 08:03:55 +0100Debate with Jim Woodward on his Mach Starship Engine Theory 1-15-12 v2
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/debate-with-jim-woodward-on-his-mach-starship-engine-theory-1-15-12-v2.html
<p>To paraphrase Richard Feynman: What I cannot construct on the spot, I do not understand.<br /><br/> On Jan 15, 2012, at 3:10 PM, jfwoodward@juno.com wrote:<br /><br/> No Jack, M is not a constant. <br /><br/> Jim you did not read my text correctly. Please read again. I said in your theory M is NOT a constant. :-)<br /><br/> That's a simplifying assumption that is often and incorrectly made.<br /><br/> That's exactly what I have been saying!<br /><br/> I've been through this with several serious physicist...Jack SarfattiMon, 16 Jan 2012 05:10:45 +0100Is Jim Woodward's Mach Effect Engine Theory Consistent? 1-15-12 v2
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/is-jim-woodwards-mach-effect-engine-theory-consistent-1-15-12-v2.html
<p>On Jan 15, 2012, at 7:43 AM, GNPellegrini@aol.com wrote:<br /> I just remembered something.<br /> <br /> I think in GR, M in the below equations is the rest mass and a constant (i.e., DM/ds = 0 and F = MDV/ds whether EM forces are present or not).<br /> <br /> So if I'm not mistaken if M is not constant in these equations, by experiment or by use of Mach's principle, then that fact would be an inconsistency with GR.<br /> <br /> Is Woodward claiming this quantity M is not co...Jack SarfattiMon, 16 Jan 2012 03:12:20 +0100Does Einstein's geodesic equation fail close to the speed of light?
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/does-einsteins-geodesic-equation-fail-close-to-the-speed-of-light-.html
<br /><br/>Newton's first law is simply a generalized geodesic equation in curved spacetime and/or in FLAT SPACETIME IN AN ACCELERATING/ROTATING NON-INERTIAL FRAME.<br /><br/><br /><br/>for a SINGLE ELEMENTARY TEST PARTICLE ONLY<br /><br/><br /><br/>DP(A)/ds = 0 Newton's First Law<br /><br/><br /><br/>D/ds = Levi-Civita covariant derivative with respect to particle's proper time. dtau = ds/c<br /><br/><br /><br/>one can add torsion of course<br /><br/><br /><br/>i.e.<br /><br/><br /><br/>M(A)DV(A)/ds + V(A)dM(...Jack SarfattiSat, 14 Jan 2012 08:48:08 +0100DARPA-NASA 100 Year Starship Issues 1-12-12
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/darpa-nasa-100-year-starship-issues-1-12-12.html
<br /><br/><br /><br/>On Jan 11, 2012, at 5:55 PM, qraal01 wrote:<br /><br/><br /><br/>How cute! Thanks Jack. Truly this is the age of Wonders. If we can make a warp-drive, visiting such odd-ball systems via probes would need thousands of amateur planet-surveyors checking out the live picture feeds via Sarfatti Entanglement Communicators :-)<br /><br/><br /><br/>Cerf on science fiction<br /><br/><br /><br/>“It sounds like science fiction, but the Defense Advanced Research Projects Agency, they funded [Cerf's ...Jack SarfattiFri, 13 Jan 2012 08:37:18 +0100My Lecture in Mechanics 1-12-12
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/my-lecture-in-mechanics-1-12-12.html
<br /><br/><br /><br/>Inertia is about something, not nothing. Nothing has no inertia. :-)<br /><br/><br /><br/>By "inertia" I mean REST MASS of real particles m0. I don't know what you and Jim mean by the same word.<br /><br/><br /><br/>I do not think that rest masses need Mach's principle. Higgs field and QCD explain them LOCALLY.<br /><br/><br /><br/>So Newton's 2nd Law in curved space-time is<br /><br/><br /><br/>F = DP/ds<br /><br/><br /><br/>P = MV<br /><br/><br /><br/>M = m0(1 - (V/c)^2)^-1/2<br /><br/><br /><br/>...Jack SarfattiFri, 13 Jan 2012 08:32:29 +0100Debate on the Sciama-Woodward Mach Principle Theory 1-10-12
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/debate-on-the-sciama-woodward-mach-principle-theory-1-10-12.html
Invoking distant observers begs the question here.<br /><br/><br /><br/>As John Wheeler said "Physics is simple when it is local."<br /><br/><br /><br/>That is the case here.<br /><br/><br /><br/>Mach's Principle in this classical case is astrology in my opinion.<br /><br/><br /><br/>Frankly I am not able to follow most of Jim's informal language when he does not include some concrete mathematical examples.<br /><br/><br /><br/>The general situation about the speed of light is simple.<br /><br/><br /><br/>ds = 0 ...Jack SarfattiWed, 11 Jan 2012 05:53:12 +0100Weird Desk 1-8-12 Reality Shake Update
https://stardrive.org/stardrive/index.php/all-blog-articles/myblog-ftd/weird-desk-1-8-12-reality-shake-update.html
P.K. Dick knew of me from Walter Breen a mutual friend and no doubt PKD read Robert Anton Wilson's Cosmic Trigger where my VALIS experience of 1953 is mentioned as I recall.<br /><br/><br /><br/>As I explained last night the views Jim attributes to me below are in fact not my views and I am perplexed how he came to that conclusion.<br /><br/><br /><br/>The resistance to acceleration needed to push test particles off geodesics is rest mass m0 and the SR gamma factor.<br /><br/><br /><br/>The origin of m0 is pr...Jack SarfattiMon, 09 Jan 2012 00:59:49 +0100