--- Log opened Fri Mar 08 00:00:09 2019
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00:34 < adlai> regarding the recent week's discussion of early photonic coherence of a starting laser: shouldn't the word "longitudinal" be distinguished, as opposed to "perpendicular", to represent the fact that a laser might not merely be firing along a single directionL
00:35 < adlai> s/L/\?/$
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01:12 < nmz787> got plastic up in my garage around the FIB!
01:13 < nmz787> now to add connector ends to the cable I bought to make an extension cord, wipe down the plastic to remove any drywall dust, and start plugging in wires and vacuum lines
01:40  * adlai is aware of dimensionality reduction collapsing those concepts into a single one (orthogonal spans within one vector space); however, this is not necessarily the only encoding.
02:01 < adlai> fltrz: do not assume that the stack is empty. v is not necessarily less than c, when you consider referential self-representation.
02:03 < fltrz> adlai, regarding longitudinal emphasis, I was making an oversimplification of course, theres multiple both transverse and longitudinal modes indeed
02:03 < fltrz> thats what I meant with multiple species or "subpopulations"
02:06 < adlai> forget about that silly notation, let's have a constructive example. ya know that old saw about the "spherical horse in a vacuum"? there is one such representation, in an infinitely reconnectable manifold. every other mistranslation of that story, converges to that. at which point, you may be reminded of Poincare's Hypothesis.
02:08 < adlai> now, if you truly believe that computational quanta can interact upon surfaces of asymptotically reducible demensionality, why don't you look for the next-most-concisely encodable "spherical horse in a vacuum", wherein two enantiomers are capable of maintaining a fixed mutual resonance.
02:11 < adlai> und bitte, was unterschitt the duality of 'dissipation' versus 'dispersion'?
02:20  * nsh glances 
02:22 < nsh> which is the photonic coherence paper/link?
02:22 < nsh> poincare's theorem is apt
02:22 < nsh> (no longer a hypothesis :)
02:23 < nsh> well, to the extent that anyone has understood the proof anyway
02:23 < nsh> surgery on manifolds is a bit beyond me still
02:25 < adlai> nsh: having neither proved that theorem myself, nor verified the entire proof since my last initiation of consciousness, i'll keep calling that that guy's hypothesis, rather than assigning it a number as a proven theorem in some printed text.
02:25 < nsh> one goal i have this week is to better understand the theory of pumping and population inversion and how phase as synchronised into coherence by the entropic matching
02:25  * nsh nods
02:25 < nsh> reasonable
02:25 < nsh> though the mathematics community for whatever it's worth has acknowledge the veridity
02:26 < adlai> a lessly-branched chain initiation which i find much more amusing is map coloring. if you're painting your crystals in N dimensions, what can you say about the brushes, palette, and sleep frequency of your clockmelter?
02:27 < nsh> heh
02:27 < adlai> or as Euclid called it, when politely dismissing that heckler: "euxaristo, parakalon! and what is the odd one?"
02:28 < nsh> more exegesis required :)
02:28 < nsh> but four-colouring can probably be understood in terms again of the riemann sphere
02:29 < nsh> which is a compactified infinite complex plane but nevertheless has only four directions and a shared point at infinity
02:30 < nsh> (so all tiling schemes are related by automorphism groups)
02:30 < nsh> modoulo as you say infinite reconnectabilitiy
02:31 < nsh> with some subtlety around orientations
02:32 < adlai> isn't there a delineable discontinuity between the unprojection of complex coordinates r<1 and the unprojection of complex coordinates r\within C_\infty , both unprojected to a sphere?
02:33 < adlai> if you are in need of a simple mnemonic, please consider teaching stereograms before you try explaining chirality over text, voice, chat, or whatever this frequency is.
02:35  * adlai finds himself reminded of that attempt to alter the separation parity of two hemispheres, separately synthesized, and carefully placed in different pressure conditions.
02:37 < adlai> also, claiming that the field underlying the smallest complete space spanning algebraic solutions requires four directions, in the absence of an acknowledgement of the dual directionalities stemming from mappings using cube roots of unity, might not contribute to the elucidation of what you're trying to express.
02:39 < nsh> the two hemispheres are distinguished but this is yet to be very well appreciated
02:40 < nsh> it comes out of gerard 't hooft's recentish analysis of black hole information preservation and time-invariance
02:40 < nsh> through analytic continuation across two 'chimeric' regions of 'spacetime' with x,y coordinates and the modulation of outgoing particles by the momentum footprint of infalling particles accelerated to become 'hard' which asymptotically infinite momenta
02:41 < nsh> (my airquotes)
02:41 < adlai> is that a dual integer for a counterexample to the collatz conjecture?
02:41 < nsh> .wik Collatz conjecture
02:41 < yoleaux> "The Collatz conjecture is a conjecture in mathematics that concerns a sequence defined as follows: start with any positive integer n. Then each term is obtained from the previous term as follows: if the previous term is even, the next term is one half the previous term." — https://en.wikipedia.org/wiki/Collatz_conjecture
02:41 < nsh> dunno
02:42 < adlai> try mapping odds and evens to each side of the real line.
02:42 < nsh> here's the talk: https://www.youtube.com/watch?v=ZRgXLB6uW_E
02:42 < nsh> oh, right
02:43 < nsh> i think you can relate Collartz to tiling schemes by Ulam
02:43 < nsh> https://en.wikipedia.org/wiki/Ulam_spiral
02:44 < nsh> there are some fun ulam spirals relating to the golden ratio
02:44 < nsh> and fibonacci numbers iirc
02:44 < nsh> which comes up in quasicrystals
02:45 < adlai> cogito ergo resurges.
02:47 < nsh> the quantum gravity research group stuff is slightly kooky by evocative: https://www.researchgate.net/publication/307857889_Golden_Quasicrystalline_Chiral_Packings_of_Tetrahedra
03:10 < nsh> --
03:10 < nsh>      Hawking particles emitted by a black hole are usually found to have thermal spectra, if not exactly, then by a very good approximation. Here, we argue differently. It was discovered that spherical partial waves of in-going and out-going matter can be described by unitary evolution operators independently, which allows for studies of space-time properties that were not possible before. Unitarity dictates space-time, as seen by a distant observer, to
03:10 < nsh> be topologically non-trivial. Consequently, Hawking particles are only locally thermal, but globally not: we explain why Hawking particles emerging from one hemisphere of a black hole must be 100 % entangled with the Hawking particles emerging from the other hemisphere. This produces exclusively pure quantum states evolving in a unitary manner, and removes the interior region for the outside observer, while it still completely agrees locally with the laws
03:10 < nsh> of general relativity. Unitarity is a starting point; no other assumptions are made. Region I and the diametrically opposite region II of the Penrose diagram represent antipodal points in a PT or CPT relation, as was suggested before. On the horizon itself, antipodal points are identified. A candidate instanton is proposed to describe the formation and evaporation of virtual black holes of the type described here. Some important explanations and
03:10 < nsh> discussion points are added. In the latest of the paper, again some minor inaccuracies are corrected.
03:10 < nsh> -- https://arxiv.org/abs/1601.03447
04:04 < nsh> .g SLOCC equivalence group
04:04 < yoleaux> https://arxiv.org/pdf/1612.02437
04:04 < nsh> .t
04:04 < yoleaux> Fri, 08 Mar 2019 12:04:12 UTC
04:04 < nsh> .title https://arxiv.org/pdf/1612.02437
04:04 < yoleaux> nsh: Sorry, that doesn't appear to be an HTML page.
04:04 < nsh> meh
04:04 < nsh> .title https://arxiv.org/1612.02437
04:04 < yoleaux> Not found
04:04 < nsh> doublemeh
04:09 < nsh> stochastic local operations with classical communications
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05:46 < nsh> .title https://www.reddit.com/r/Physics/comments/aydsap/dark_matter_fossils_in_ancient_rocks_may_record/
05:46 < yoleaux> 'Dark Matter Fossils" in ancient rocks may record millions of years worth of ultra-rare dark matter interactions. Though the tell-tale imprints left behind by such interactions are 100,000 times narrower than a human hair, researchers say technology is finally at the point where it can detect them. : Physics
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08:22 < kanzure> "The Fermi Paradox and the Aurora Effect: Exo-civilization Settlement, Expansion and Steady States" https://arxiv.org/abs/1902.04450
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12:21 < kanzure> i wonder if anyone is upset about placental genetic engineering
12:21 < kanzure> instead of fetal
12:22 < kanzure> "iPSC-derived brain endothelium exhibits stable, long-term barrier function in perfused hydrogel scaffolds" https://www.cell.com/action/showPdf?pii=S2213-6711%2819%2930011-6
12:23  * fenn reads the backlog
12:23 < fenn> that's some fine technobabble
12:24 < kanzure> you're just a dark matter fossil
12:25 < fenn> i especially liked 'adlai> now, if you truly believe that computational quanta can interact upon surfaces of asymptotically reducible demensionality, why don't you look for the next-most-concisely encodable "spherical horse in a vacuum", wherein two enantiomers are capable of maintaining a fixed mutual resonance.' because it was really long and had lots of syllables
12:49 < kanzure> .wik spatial proteomics
12:49 < yoleaux> "Proteomics is the large-scale study of proteins. Proteins are vital parts of living organisms, with many functions. The term proteomics was coined in 1997, in analogy to genomics, the study of the genome. The word proteome is a portmanteau of protein and genome, and was coined by Marc Wilkins in 1994 while he was a Ph.D." — https://en.wikipedia.org/wiki/Proteomics
12:49 < kanzure> no
12:49 < kanzure> fine
12:49 < kanzure> "Directed evolution of split APEX2 peroxidase" https://pubs.acs.org/doi/full/10.1021/acschembio.8b00919
12:50 < kanzure> "Large-scale, quantitative protein assays on a high-througphut DNA sequencing chip" https://www.cell.com/molecular-cell/fulltext/S1097-2765(19)30130-3
12:52 < kanzure> "Induction of potent neutralizing antibody responses by a designed protein nanoparticle vaccine for respiratory syncytial virus" https://www.cell.com/cell/fulltext/S0092-8674(19)30109-6
12:53 < kanzure> .tw https://twitter.com/AllenInstitute/status/1103096611041816576
12:53 < yoleaux> Breaking @IARPAnews MICrONS news. We've completed stitching & aligning >100,000,000 pictures of the brain into a massive 2.3 petabyte, 3D dataset, & handed it off to @Princeton for fine-alignment & segmentation. This project is giving us a new window into how the brain is wired. https://pbs.twimg.com/media/D07jlKPU0AAOqZZ.jpg (@AllenInstitute)
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12:54 < kanzure> "Rapid and dynamic nucleic acid hybridization enables enzymatic oligonucleotide synthesis by cyclic reversible termination" https://www.biorxiv.org/content/10.1101/561092v1
12:54 < kanzure> .tw https://twitter.com/calinplesa/status/1103050786404130816
12:54 < yoleaux> New enzymatic oligonucleotide synthesis approach from Centrillion Biosciences and it's non-TDT. It uses a modified polymerase, transient hybridization to "template", and reversible terminators. They synth a 20-mer with 98% coupling efficiency: https://doi.org/10.1101/561092 (@calinplesa)
12:56 < kanzure> "Transcranial alternating current stimulation entrains single-neuron activity in the primate brain" https://www.pnas.org/content/early/2019/02/28/1815958116
12:58 < kanzure> genetic rescue and de-extinction project https://reviverestore.org/
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--- Log closed Sat Mar 09 00:00:10 2019