That report of a room-temp, ambient pressure superconductor is amazing Jim Bell On Wed, Jul 26, 2023 at 2:52 PM, grarpamp<grarp...@gmail.com> wrote: Superconductors, Aliens, AI, Genetic Compilers, Quantum... Singularity.
https://arxiv.org/pdf/2307.12008.pdf https://arxiv.org/pdf/2307.12037.pdf For the first time in the world, we succeeded in synthesizing the room-temperature superconductor (Tc 400 K, 127 oC) working at ambient pressure with a modified lead-apatite (LK-99) structure. A material called LK-99®, a modified-lead apatite crystal structure with the composition (Pb10-xCux(PO4)6O (0.9<x<1.1)), has been synthesized using the solid-state method. The material exhibits the Ohmic metal characteristic of Pb(6s1) above its superconducting critical temperature, Tc, and the levitation phenomenon as Meissner effect of a superconductor at room temperature and atmospheric pressure below Tc. Alex Kaplan @alexkaplan0 Making frozen coffee @cometeer Prev @PrincetonPhys Alex Kaplan @alexkaplan0 17h Today might have seen the biggest physics discovery of my lifetime. I don't think people fully grasp the implications of an ambient temperature / pressure superconductor. Here's how it could totally change our lives. 1,809 16,033 3,671 89,533 Alex Kaplan @alexkaplan0 4m The more I read this the more bullish I get. Kim really believes and is just out there saying go try it. There is something here for sure Ate-a-Pi @8teAPi 1h It’s real. He’s putting his name on the line. Basically saying the papers are crap, the team has infighting.. probably over credit. The 3 man paper hit arxiv 2.5 hours before the 6 author paper. He’ll assist other groups in verifying. He’s on email. archive.is/2023.07.26-181113… 1 12 Alex Kaplan @alexkaplan0 13m The option space here is very wide. We have an extremely rough understanding of High Tc superconductivity in cuprate-like lattices. It is fully possible we are seeing new physics (albeit shoddily conducted/hastily published) that doesn't exactly match previous materials. 2 1 15 Alex Kaplan retweeted Anatoly Vorobey @avorobey 4h Replying to @alexkaplan0 1 5 74 Alex Kaplan retweeted Alex Kaplan @alexkaplan0 23m Replying to @alexkaplan0 @condensed_the @sandersted @jjaron @Dereklowe @mattwridley @kchangnyt @DrCarpineti Sounds like serious drama btw Kim and the other researchers. He was left off the 3 person paper, uploaded 2 hrs earlier. Doesn't invalidate results - if anything makes it seem like they care even more? Ate-a-Pi @8teAPi 1h It’s real. He’s putting his name on the line. Basically saying the papers are crap, the team has infighting.. probably over credit. The 3 man paper hit arxiv 2.5 hours before the 6 author paper. He’ll assist other groups in verifying. He’s on email. archive.is/2023.07.26-181113… 1 7 Show this thread Alex Kaplan @alexkaplan0 47m Replying to @alexkaplan0 @condensed_the @sandersted @jjaron @Dereklowe @mattwridley @kchangnyt cautious excitement from @DrCarpineti iflscience.com/first-room-te… First Room-Temperature Ambient-Pressure Superconductor Achieved, Claim Scientists Someone with a lab please try to reproduce these results so we know if we should pop the champagne. iflscience.com 1 3 13 Show this thread Alex Kaplan @alexkaplan0 48m Replying to @alexkaplan0 @condensed_the @sandersted @jjaron @Dereklowe @mattwridley @kchangnyt discusses a lot of failed superconductor research along with the recent paper here. Not sure I agree with the framing, this is pretty different nytimes.com/2023/07/26/scien… A Looming Retraction Casts a Shadow Over a Field of Physics Misconduct allegations are leading scientists to question the work of Ranga Dias, including his claimed discovery of a room-temperature superconductor. nytimes.com 1 9 Show this thread Alex Kaplan @alexkaplan0 52m Replying to @alexkaplan0 @condensed_the @sandersted @jjaron @Dereklowe reasonable skepticism from @mattwridley spectator.co.uk/article/why-… Why I’m sceptical about a superconductor breakthrough A team of South Korean scientists has pre-printed a paper asserting that they have achieved superconductivity at room temperature and atmospheric pressure. The paper has led to widespread speculation... spectator.co.uk 1 1 7 Show this thread Alex Kaplan @alexkaplan0 1h If I had to pick one, it'd be something like @VEIR_Grid. Commercial power transmission on short distances for very high value delivery. Use it as a wedge to build experience in transmission and build towards interregional, interstate, nationwide, with IRA funding. 4 Show this thread Alex Kaplan @alexkaplan0 1h TAM is very hard to know across sectors, but certainly venture-scale across infrastructure, medicine, science tooling (a whole new LHC?), and QC. Probably have to partner with someone deep in the field for an understanding of the business cases. 2 3 Show this thread Alex Kaplan @alexkaplan0 1h The easiest thing to start is a shopify storefront like this one I got RBCO disks for my birthday from. @harleyf what do you think? You do the branding, I do the supply? If you can get access to a vacuum, should be easy to make. CC @andrewmccalip 1 3 Show this thread Alex Kaplan @alexkaplan0 1h Commercial-scale integrations will likely take major rearchitecting of existing transmission/power electronics. I don't see factories installing LK-99 before EOY. That's where the money is at scale, but potentially some moats in B2B access/rolodex. 1 3 Show this thread Alex Kaplan @alexkaplan0 1h Here is how I would spend the replication interregnum as an entrepreneur. First what are going to be the binding early constraints? Production of material will be shoddy and inconsistent until better methods developed, but demand will be high. 1 1 10 Show this thread Alex Kaplan retweeted Seth Rosenberg @SethGRosenberg 1h Replying to @alexkaplan0 @alexkaplan Cheers independent.co.uk/tech/super… Scientists might have made the ‘biggest physics discovery of a lifetime’ – or not Breakthrough would mark ‘holy grails of modern physics, unlocking major new developments in energy, transportation, healthcare, and communications’ – but it is a long way from being proven independent.co.uk 1 2 12 Alex Kaplan retweeted Douglas Natelson @NanoscaleViews 1h Replying to @alexkaplan0 Yeah, and really big diamagnetism could be weird and interesting. 1 1 7 Alex Kaplan @alexkaplan0 1h If I were to guess what's going on, it's that fig. 4.a is just sloppy like the rest of that paper and they forgot the to add the S.I. notation 1 3 Show this thread Alex Kaplan @alexkaplan0 1h Replying to @alexkaplan0 @NanoscaleViews These are figures 4a in arxiv:2307.12037 and 1d in arxiv:2307.12008, respectively 1 5 Show this thread Alex Kaplan @alexkaplan0 1h Replying to @alexkaplan0 @condensed_the @sandersted @jjaron the plot thickens Alex Kaplan @alexkaplan0 1h This is the first serious flaw I have seen investigated in the pair of papers. There is a difference by a factor of 7,500 between these two otherwise similar graphs. These show both results 36x more diamagnetic than graphite and crudely mislabelled axes. All cred @NanoscaleViews Show this thread 2 1 12 Show this thread Alex Kaplan @alexkaplan0 1h This is the first serious flaw I have seen investigated in the pair of papers. There is a difference by a factor of 7,500 between these two otherwise similar graphs. These show both results 36x more diamagnetic than graphite and crudely mislabelled axes. All cred @NanoscaleViews Douglas Natelson @NanoscaleViews 2h 1/8 A thread on magnetic susceptibility data in the papers of the moment. Magnetic susceptibility tells us about how much magnetization M (mag moment per volume) a material develops when placed in a magnetic field H. \chi = dM/dH. Annoyingly, cgs and SI units are different. Show this thread 3 3 46 Show this thread Alex Kaplan @alexkaplan0 2h Replying to @alexkaplan0 @condensed_the @sandersted @jjaron with a few quotes in new scientist Jacob Aron @jjaron 2h Hello to new followers - here's the story you've been waiting for newscientist.com/article/238… 1 9 Show this thread Load more
