Byung-Yeon Kim and Jungmin Lee), Journal of Economic Behavior and Orga-nization, 170: 112{130. \Desperate Times Call for Desperate Measures: Government Spending Multi-pliers in Hard Times" (with Yuan Liao, Myung Hwan Seo and Youngki Shin), Economic Inquiry, 58: 1949{1957. 2019 \Breaking the Curse of Dimensionality in Conditional Moment ...10:37. Seven First Kisses - Ep07 - Lee Jong Suk “How to fall in love with a celebrity” HD Watch HD Deutsch. harunaksit28896ee. 2:20. Han Hyo Joo and Lee Jong Suk - W Two Worlds "Ending kiss" BTS. funnyclip. 10:37. 7 First Kisses (ENG) #7 Lee Jong Suk “How to fall in love with a celebrity”. Dae Bak.Sukbae Lee, Jihoon Kim, Young‐Wan Kwon; Published 22 July 2023; Physics, Materials Science; For the first time in the world, we succeeded in synthesizing the room-temperature superconductor (Tc above 400 K, 127 oC) working at ambient pressure with a modified lead-apatite (LK-99) structure. The superconductivity of LK-99 is proved with the ...Sukbae Lee and Ji-Hoon Kim are both executives at the center. And patent applications have been filed regarding LK-99, which is named after Sukbae Lee and Ji-Hoon Kim and 1999, the year they apparently came up with the material with Tong-Shik Choi at …About BRYAN LEE. Bryan Lee is a provider established in Phoenix, Arizona and his medical specialization is Neurological Surgery with more than 12 years of experience. He graduated from Loma Linda University School Of Medicine in 2012. The healthcare provider is registered in the NPI registry with number 1093071870 assigned on …We would like to show you a description here but the site won’t allow us.Sukbae Lee (QERC in Korea) Sungyeon Im (QERC in Korea) SooMin An (QERC in Korea) Keun Ho Auh (QERC in Korea) Collaboration: College of William & Mary, Quantum Energy Research Center in Korea We synthesized materials, Pb 10-x Cu x (P(O 1-y S y) 4) 6 O 1-z S z (PCPOSOS), called PCPOSOS, which exhibit superconducting …If the claim by Sukbae Lee and Ji-Hoon Kim of South Korea’s Quantum Energy Research Centre and their colleagues holds up, the material could usher in all sorts of technological marvels, such as levitating vehicles and perfectly efficient electrical grids. “Today might have seen the biggest physics discovery of my lifetime,” enthused Alex ...“Professor Kwon arbitrarily published [the papers] in the archive without the permission of other authors,” said Sukbae Lee, one of the scientists that the alleged …LK-99 (from the Lee-Kim 1999 research), also called PCPOSOS, is a gray–black, polycrystalline compound, identified as a copper-doped lead‒oxyapatite. A team from Korea University led by Lee Sukbae (이석배) and Kim Ji-Hoon (김지훈) began studying this material as a potential superconductor … See moreAre you a woodworking enthusiast or a gardening aficionado? If so, then you’re probably familiar with Lee Valley Tools, a renowned Canadian company specializing in high-quality too...Sukbae Lee, Ji-Hoon Kim, Young-Wan Kwon. 1 Like. CTLaw 29 July 2023 22:56 14. A 1400+ hit patent search for: ... Recently, Lee et al. reported the experimental discovery of room-temperature ambient-pressure superconductivity in a Cu-doped lead-apatite (LK-99) (arXiv:2307.12008, arXiv:2307.12037). Remarkably, the …Aug 2, 2023 · Named after two scientists, Lee and Kim, and the year of its discovery — 1999 — LK-99 is a compound made from lead and copper. ... On July 22 two separate papers by Sukbae Lee and Ji-Hoon Kim ... 05-Aug-2023 ... The location in Songpa district is the registered address of the Quantum Energy Research Centre, whose researchers Sukbae Lee and Ji-Hoon ...Hyun-Tak Kim, Sukbae Lee, Sungyeon Im, SooMin An, Keun Ho Auh. We synthesized materials, Pb 10-x Cu x (P(O 1-y S y) 4) 6 O 1-z S z (PCPOSOS), called PCPOSOS, which exhibit superconducting behavior at room temperature and atmospheric pressure. These materials displayed characteristics of a superconductor, including zero resistance, the …Sukbae Lee, Jihoon Kim, Young‐Wan Kwon. Published 22 July 2023. Physics, Materials Science. For the first time in the world, we succeeded in synthesizing … Bryan Lee, MD. Neurosurgeon Spine Surgery. (623) 562-5050. Fax: (602) 294-4490. Get a Second Opinion. Accepting New Patients. + Spinal Decompression Operations. Extensive experience with over 1,500 spinal surgeries for decompression of neural elements in the spine. + MIS Operations. We would like to show you a description here but the site won’t allow us.The name is 99. LK-99! This is the name that a group of South Korean scientists named Sukbae Lee, Ji-Hoon Kim, and Young-Wan Kwon have conferred to a material that is – they recently reported ...The claim, made by Sukbae Lee, Ji-Hoon Kim, and their team at South Korean startup Quantum Energy Research Centre, was extraordinary, considering the highest superconducting temperatures at ambient pressure is near -138℃ -10 degrees Fahrenheit (minus-23 Celsius).Jan 8, 2024 · There will only be invited reporters at today’s LK99 related superconductor presentation by Sukbae Lee. UPDATE: Article with highlights of what was said by Sukbae Lee. Prof. Lee Seokbae is going to introduce the research he has conducted and their future on Jan 9th. It will be the first time we can see his formal statement. pic.twitter.com ... Sukbae Lee and Ji-Hoon Kim at the Quantum Energy Research Centre made the claims about LK-99 last month in papers shared pre-publication, meaning the work hadn’t been reviewed by expert peers. The momentousness of the claims has spurred a global drive to replicate them as fast as possible. ...Nov 28, 2023 · Sukbae Lee and colleagues from South Korea earlier asserted that LK-99 behaves as a superconductor at ambient pressure, with a critical temperature (T c) up to 127°C (400 K). The groundbreaking ... The latest Tweets from Suk-Bae Lee (@sukbae)26-Jul-2023 ... From the new “big if true” paper “The First Room-Temperature Ambient-Pressure Superconductor” by South Korean researchers Sukbae Lee, Ji-Hoon ...Full English translation of Sukbae Lee's presentation. Translation seems automatic and of low quality (unlike Chinese), but nothing seems grossly wrong and it is certainly convenient. 9.6K subscribers in the LK99 community. A place to discuss and follow progress on LK-99, a potential room-temperature superconductor.Aug 4, 2023 · Lee Suk-bae, a lead author of the manuscripts detailing the discovery of a compound named LK-99, presently heads a privately-held company named Quantum Energy Research Centre, which is based in Songpa District, southern Seoul. He graduated from Korea University with bachelor’s and Master’s degrees in chemistry, the university confirmed. Aug 2, 2023 · Abstract and Figures. Recently, Sukbae Lee et al. reported inspiring experimental findings on the atmospheric superconductivity of a modified lead apatite crystal (LK-99) at room temperature (10. ... Hyun-Tak Kim, Sukbae Lee, Sungyeon Im, SooMin An, Keun Ho Auh : Monday, March 4, 2024 8:24AM - 8:36AM: A16.00003: Pressure-induced superconductivity in bi-layer nickelate La 3 Ni 2 O 7+δ Ueki Yuta, Hiroya Sakurai, Hibiki Nagata, Ryo Matsumoto, Kensei Terashima, Hirose Keisuke, Hiroto Ohta, Masaki Kato, Yoshihiko Takano : Monday, …If you are a woodworking enthusiast, gardening hobbyist, or simply someone who appreciates high-quality tools and equipment, then you are likely familiar with Lee Valley. Customer ...Research Fellow Columbia University. Sokbae Lee is a Professor at Columbia University and a Research Fellow at the IFS. He also works with the the Centre of Microdata Methods and Practice (cemmap) and is a Professor in the department of economics at Columbia University. His research focuses on theoretical and applied econometrics.Are you a woodworking enthusiast or a gardening aficionado? If so, you’ve probably heard of Lee Valley Tools. Known for their high-quality tools and innovative products, Lee Valley...Aug 16, 2023 · The LK-99 saga began in late July, when a team led by Sukbae Lee and Ji-Hoon Kim at the Quantum Energy Research Centre, a start-up firm in Seoul, published preprints 1, 2 claiming that LK-99 is a ... Aug 15, 2023 · The material came to public attention in July after two Korean scientists, Sukbae Lee and Ji-Hoon Kim, together with colleagues in Korea and the US, claimed it could conduct electricity without resistance at ambient pressure and temperatures. Subsequent attempts at replicating their results have come up short, however, and some experts believe ... Brief History. Since 1999 a group of Korean scientists worked in their spare time pursuing a theory about a room temperature superconductor material (LK for Lee & Kim, Sukbae Lee, Ji-Hoon Kim ...Jul 27, 2023 · Sukbae Lee et al, Superconductor Pb 10-x Cu x (PO 4) 6O showing levitation at room temperature and atmospheric pressure and mechanism, arXiv (2023). DOI: 10.48550/arxiv.2307.12037. Journal... Hyun-Tak Kim, Sukbae Lee, Sungyeon Im, SooMin An, Keun Ho Auh. We synthesized materials, Pb 10-x Cu x (P(O 1-y S y) 4) 6 O 1-z S z (PCPOSOS), called PCPOSOS, which exhibit superconducting behavior at room temperature and atmospheric pressure. These materials displayed characteristics of a superconductor, including zero resistance, the …Sukbae Lee; Ji-Hoon Kim; Young-Wan Kwon; For the first time in the world, we succeeded in synthesizing the room-temperature superconductor (Tc above 400 K, 127 oC) working at ambient pressure with ...Aug 3, 2023 · Recently, Sukbae Lee et al. reported inspiring experimental findings on the atmospheric superconductivity of a modified lead apatite crystal (LK-99) at room temperature (10.6111/JKCGCT.2023.33.2.061, arXiv: 2307.12008, arXiv: 2307.12037). They claimed that the synthesized LK-99 materials exhibit the Meissner levitation phenomenon of superconductors and have a superconducting transition ... Sukbae Lee (QERC in Korea) Sungyeon Im (QERC in Korea) SooMin An (QERC in Korea) Keun Ho Auh (QERC in Korea) Collaboration: College of William & Mary, Quantum Energy Research Center in Korea. We synthesized materials, Pb10-xCux(P(O1-ySy)4)6O1-zSz (PCPOSOS), called PCPOSOS, which exhibit superconducting behavior …Abstract: Recently, Sukbae Lee et al. reported inspiring experimental findings on the atmospheric superconductivity of a modified lead apatite crystal (LK-99) at room temperature (10.6111/JKCGCT.2023.33.2.061, arXiv: 2307.12008, arXiv: 2307.12037).They claimed that the synthesized LK-99 materials exhibit the Meissner levitation phenomenon … Please try again, and if the error persists please visit our knowledge base.. 403/HttpErrorResponse/no-XSRF/userStatus.json Hyun-Tak Kim, Sukbae Lee, Sungyeon Im, SooMin An, Keun Ho Auh. We synthesized materials, Pb 10-x Cu x (P(O 1-y S y) 4) 6 O 1-z S z (PCPOSOS), called PCPOSOS, which exhibit superconducting behavior at room temperature and atmospheric pressure. These materials displayed characteristics of a superconductor, including zero resistance, the …If you are a woodworking enthusiast, gardening hobbyist, or simply someone who appreciates high-quality tools and equipment, then you are likely familiar with Lee Valley. Customer ...22-Aug-2023 ... (Credit: Sukbae Lee et al., arXiv:2307.12037, 2023). In the case of LK-99, part of the reason for (justified) theoretical excitement was the ...The material, named after lead researchers Sukbae Lee and Ji-Hoon Kim (Lee/Kim-99), was extraordinary considering the leap from temperatures below freezing to well above water's boiling point ...As more time passes since the release of Sukbae Lee et al.'s original paper, more researchers are trying to synthesize their LK-99 samples and test them for diamagnetism and superconductivity. New ...Aug 4, 2023 · Lee Suk-bae, a lead author of the manuscripts detailing the discovery of a compound named LK-99, presently heads a privately-held company named Quantum Energy Research Centre, which is based in Songpa District, southern Seoul. He graduated from Korea University with bachelor’s and Master’s degrees in chemistry, the university confirmed. There was reason to be sceptical from the outset: the South Korean scientists, Sukbae Lee and Ji-Hoon Kim of the Seoul-based startup company Quantum Energy Research Center had no track record in ...Recently, Sukbae Lee et al. reported inspiring experimental findings on the atmospheric superconductivity of a modified lead apatite crystal (LK-99) at room temperature (10.6111/JKCGCT.2023.33.2.061, arXiv: 2307.12008, arXiv: 2307.12037). They claimed that the synthesized LK-99 materials exhibit the Meissner levitation phenomenon of …Abstract and Figures. Recently, Sukbae Lee et al. reported inspiring experimental findings on the atmospheric superconductivity of a modified lead apatite crystal (LK-99) at room temperature (10. ... Please try again, and if the error persists please visit our knowledge base.. 403/HttpErrorResponse/no-XSRF/userStatus.json 14-Sept-2023 ... The researchers, led by Sukbae Lee at the Korea University of Science and Technology, claimed that they had synthesized LK-99 crystals and ... Jan 2015. Soonwoo Kwon. Jihong Lee. Sokbae Lee. We analyze cross-country trends in several aspects of technological progress over the period of 1980-2011 by examining citations data from almost 4 ... Named after two scientists, Lee and Kim, and the year of its discovery — 1999 — LK-99 is a compound made from lead and copper. According to a paper released last month, the South Korean team ...Spike Lee is one of the most critically acclaimed directors of all time. From She’s Gotta Have It and Do the Right Thing to Inside Man and When the Levees Broke, Lee has branched o... LK-99 是一种灰黑色，潛在而未經證實的 常压 （英语：Ambient pressure） 室溫超導體 材料 [2]:8 。. 其所帶有的 六方 晶體結構 是由 铅 磷灰石 稍加修飾而得，据称可在400 K（127 °C）以下作为 超導體 。. [3] [2]:1 韩国科学技术研究院 的李石培（ 이석배 ， Sukbae Lee ... Sukbae Lee and Ji-Hoon Kim hit the first sample (the prototype of LK-99) in 1999 trying to prove the theory of their professor Choi Dong-Shik. Around 2017 ...Sukbae Lee, Ji-Hoon Kim, Young-Wan Kwon. For the first time in the world, we succeeded in synthesizing the room-temperature superconductor (Tc≥400 K, 127∘C) working at ambient pressure with a modified lead-apatite (LK-99) structure. The superconductivity of LK-99 is proved with the Critical temperature (Tc), Zero-resistivity, … Sukbae Lee J. Jeon Wonsoo Kim Tong-Seek Chair. Physics. Journal of Physical Chemistry B. 11 December 2008; TLDR. A newly constructed equation for fluid states, the ... Haixin CHANG, Professor (Full) | Cited by 6,676 | of Huazhong University of Science and Technology (hust) | Read 126 publications | Contact Haixin CHANGSukbae Lee et al, The First Room-Temperature Ambient-Pressure Superconductor, arXiv (2023). DOI: 10.48550/arxiv.2307.12008 Sukbae Lee et al, Superconductor Pb10-xCux(PO4)6O showing levitation at room temperature and atmospheric pressure and mechanism, arXiv (2023).The first was submitted by Sukbae Lee, Ji-Hoon Kim, Young-Wan Kwon, while the second was submitted by those same individuals, but with three other members of their research team included as authors.该论文的第一作者Sukbae Lee与第二作者金智勋（Ji-Hoon Kim）均为韩国量子能源研究中心（Quantum Energy Research Centre）的研究人员，但该公司的官网目前因访问人次过多被封锁。 权永万是前述论文的第三作者。Sukjae Lee. Professor of Philosophy, Seoul National University. Verified email at snu.ac.kr - Homepage. Early Modern Philosophy Metaphysics Asian Philosophies. Articles Cited by. Title. Sort. Sort by citations Sort by year Sort by title. Cited by. Cited by. Year; Occasionalism. S Lee. 70: 2008: Leibniz on divine concurrence.Grant and Lee were both Civil War generals, but in addition to being on opposing sides of the dispute, they had very different backgrounds and military experience. There were major...Dr. Bryan Lee, MD is a neurosurgery specialist in Phoenix, AZ. He is affiliated with medical facilities such as St. Joseph's Hospital And Medical Center and Honorhealth Sonoran Crossing Medical Center. He is not accepting new patients. 5.0 (71 ratings) Leave a review. Barrow Brain and Spine. 19636 N 27th Ave Ste 203 Phoenix, AZ 85027.Sukbae Lee et al, The First Room-Temperature Ambient-Pressure Superconductor, arXiv (2023). DOI: 10.48550/arxiv.2307.12008 Sukbae Lee et al, Superconductor Pb10-xCux(PO4)6O showing levitation at room temperature and atmospheric pressure and mechanism, arXiv (2023).Korrel van LK-99 word deur 'n magneet afgestoot.. LK-99 (van die Lee-Kim 1999 navorsing), is 'n kristallyne stof met 'n grys-swart voorkoms.: 8 Die samestelling is: met (0,9<x<1,1)Daar word beweer dat dit 'n seskantige struktuur het wat effens van lood apatiet gemodifiseer is deur klein hoeveelhede koper by te voeg. Die span van die Universiteit van Korea, gelei …Authors. Sukbae Lee, Jihoon Kim, Hyun-Tak Kim, Sungyeon Im, SooMin An, Keun Ho Auh. Abstract. A material called LK-99, a modified-lead apatite crystal structure with the composition Pb _ {10-x} 10−x Cu _x x (PO _4 4) _ {6O} 6O ( 0.9<x<1.1 0.9 < x < 1.1 ), has been synthesized using the solid-state method. The material exhibits the Ohmic metal ... We would like to show you a description here but the site won’t allow us. There was reason to be sceptical from the outset: the South Korean scientists, Sukbae Lee and Ji-Hoon Kim of the Seoul-based startup company Quantum Energy Research Center had no track record in ...该论文的第一作者Sukbae Lee与第二作者金智勋（Ji-Hoon Kim）均为韩国量子能源研究中心（Quantum Energy Research Centre）的研究人员，但该公司的官网目前因访问人次过多被封锁。 权永万是前述论文的第三作者。A room-temperature ambient-pressure superconductor named LK-99 has been discovered by a team of researchers from Korea University, including Sukbae Lee and Ji-Hoon Kim (Image Credit) Ambient-pressure superconductor discovered by …Jan 8, 2024 · There will only be invited reporters at today’s LK99 related superconductor presentation by Sukbae Lee. UPDATE: Article with highlights of what was said by Sukbae Lee. Prof. Lee Seokbae is going to introduce the research he has conducted and their future on Jan 9th. It will be the first time we can see his formal statement. pic.twitter.com ... 08-Aug-2023 ... Named after its discoverers Sukbae Lee and Ji-Hoon Kim and the year of its discovery in 1999, LK-99 emerged as a potential breakthrough in the ...Sukbae Lee. Joonhyeon Jeon. Wonsoo Kim. Tong-Seek Chair. To date, it has been considered that all classical equations of state (EOS) have failed to describe the …Aug 9, 2023 · However, whether LK-99 is really a room temperature superconductor is still controversial. On the one hand, some people think that the relatively weak diamagnetism of LK-99 reported by Sukbae Lee et al. is not the Meissner effect. On the other hand, there are doubts about the authenticity of its zero-resistance test results. 30-Jul-2023 ... Sukbae Lee and Jihoon Kim are from the Quantum Energy Research Centre. They are the main source of LK-99. 2023-07-25: First paper. The ...
Aug 9, 2023 · However, whether LK-99 is really a room temperature superconductor is still controversial. On the one hand, some people think that the relatively weak diamagnetism of LK-99 reported by Sukbae Lee et al. is not the Meissner effect. On the other hand, there are doubts about the authenticity of its zero-resistance test results. . Forest park national bank
Sukbae Lee, Ji-Hoon Kim and Young-Wan Kwon: names that will either be in future textbooks or tarnished by scandal. Last Saturday they published a paper on arXiv claiming to have discovered the ...can be magnetically levitated with larger levitated angle than Sukbae Lee’s sample at room temperature. It is expected to realize the true potential of room temperature, non-contact superconducting magnetic levitation in near future. Results and Discussions LK-99 samples with a composition of Pb10-xCux(PO4)6O (0.9<x<1.1) were grown usingSukbae Lee (QERC in Korea) Sungyeon Im (QERC in Korea) SooMin An (QERC in Korea) Keun Ho Auh (QERC in Korea) Collaboration: College of William & Mary, Quantum Energy Research Center in Korea. We synthesized materials, Pb10-xCux(P(O1-ySy)4)6O1-zSz (PCPOSOS), called PCPOSOS, which exhibit superconducting behavior …03-Aug-2023 ... The photo shows a part of LK-99, a room-temperature superconductor released by researchers led by Lee Suk-bae, CEO of Quantum Energy ...Aug 3, 2023 · The method for making this miracle material — bearing the initials of two authors, Sukbae Lee and Ji-Hoon Kim — seemed incredibly simple, including use of a pestle and mortar, but lacked detail. Sukbae Lee, Ji-Hoon Kim, Young-Wan Kwon. Abstract. For the first time in the world, we succeeded in synthesizing the room-temperature superconductor (Tc≥400 K, 127∘C) working at ambient pressure with a modified lead-apatite (LK-99) structure. The superconductivity of LK-99 is proved with the Critical temperature (Tc), Zero-resistivity ...Hidden non-Fermi liquid behavior caused by magnetic phase transition in Ni-doped Ba-122 pnictides. S Lee, KY Choi, E Jung, S Roh, S Shin, T Park, J Hwang. Scientific Reports 5 (1), 12156. , 2015. 9. 2015. Magnetic-order-driven metal-insulator transitions in the quasi-one-dimensional spin-ladder compounds and.Named after two scientists, Lee and Kim, and the year of its discovery — 1999 — LK-99 is a compound made from lead and copper. According to a paper released last month, the South Korean team ...Sukbae Lee and colleagues from South Korea earlier asserted that LK-99 behaves as a superconductor at ambient pressure, with a critical temperature (T c) up to …Sukbae Lee, Ji-Hoon Kim, Young-Wan Kwon. (Submitted on 22 Jul 2023) For the first time in the world, we succeeded in synthesizing the room-temperature …Bryan Lee, MD, is a neurosurgeon in the Department of Neurosurgery at Barrow Neurological Institute. Dr. Lee specializes in minimally invasive spine surgery and complex spinal deformity correction. He treats spinal degenerative diseases, spinal deformities requiring complex revisions and reconstructions, spinal tumors, and cranial and spinal ...62 Sukbae Lee, Jihoon Kim, Sungyeon Im, SooMin An, Young-Wan Kwon and Keun Ho Auh (2) ÿÿ1/2 (3) The proof of pairing between two electrons in the energy space is experimentally confirmed that the following relational expression is established between the isotope lattice of different masses and the critical temperature [10,11]. ...30-Jul-2023 ... Sukbae Lee and Jihoon Kim are from the Quantum Energy Research Centre. They are the main source of LK-99. 2023-07-25: First paper. The ... Hidden non-Fermi liquid behavior caused by magnetic phase transition in Ni-doped Ba-122 pnictides. S Lee, KY Choi, E Jung, S Roh, S Shin, T Park, J Hwang. Scientific Reports 5 (1), 12156. , 2015. 9. 2015. Magnetic-order-driven metal-insulator transitions in the quasi-one-dimensional spin-ladder compounds and. 08-Aug-2023 ... Two papers published July 22, 2023, detail research by Sukbae Lee and Jihoon Kim of the Quantum Energy Research Center, South Korea, that has ...Sukbae Lee, Ji-Hoon Kim, Young-Wan Kwon, Hyun-Tak Kim, Sungyeon Im, SooMin An, Keun Ho Auh Any of them win nobel prize before January 1st, 2034. That’s a generous 10 years from the time of their claimed discovery.According to a study conducted by Sukbae Lee, Ji-Hoon Kim, Young-Wan Kwon, they have synthesized a room-temperature superconductor (Tc ≥ 400 K, 127°C) working at ambient pressure with a ...Sukbae Lee and colleagues from South Korea earlier asserted that LK-99 behaves as a superconductor at ambient pressure, with a critical temperature (Tc) up to 127°C (400 K). The groundbreaking news excited scientists as well as people on social media due to its potential impact on technology. As reported by Nature News, claims about the ... Sukbae Lee,1,a) Jihoon Kim,1 Hyun-Tak Kim,2,3,b) Sungyeon Im,1 SooMin An,1 and Keun Ho Auh1,4 1Quantum Energy Research Centre, Inc., Seoul 05822, South Korea 2ICT Basic Research Lab. ETRI, Daejeon 34129, South Korea 3Department of Physics, College of William & Mary, Williamsburg, VA 23185, USA 4Hanyang University, Seoul 04763, South Korea The LK-99 saga began in late July, when a team led by Sukbae Lee and Ji-Hoon Kim at the Quantum Energy Research Centre, a start-up firm in Seoul, published preprints claiming that LK-99 is a superconductor at normal pressure and temperatures up to at least 127C (400 kelvin). All previously confirmed superconductors function only at ….