I'm surprised no one else has mentioned this here. https://qcentre.co.kr/home This web site is often down from the high traffic volume. The visit counter is reset at 10AM KST or 9PM EDT. The long and the short of it is, they appear to have designed a material (LK-99) which is a superconductor up to temperatures above the boiling point of water and pressure of 1 ATM. There is some confusion about who has provided what info, with someone providing an unofficial preliminary paper, followed by someone else providing a rushed official paper. The published data shows a few discrepancies. A Youtube video is linked from the web site main page, of a LK-99 film plated onto a disk of unknown material, which does not properly demonstrate superconductivity, for who knows what reason. In EEVBlog, they are getting a lot of crap from Dave about this video, since you might think it was presented as evidence, but it isn't. Whatever. Dave likes making noise. Still, the claim is the material is not hard to make and I expect to hear some news about verifying (or not) the results of the superconductivity tests. -- Rick C. - Get 1,000 miles of free Supercharging - Tesla referral code - https://ts.la/richard11209
Ambient Temperature and Pressure Superconductor
Started by ●August 1, 2023
Reply by ●August 1, 20232023-08-01
Ricky wrote:> I'm surprised no one else has mentioned this here.Possibly everyone already knows and waits for confirmation. That's too good to be true, so the only thing one can do is to wait and see. Best regards, Piotr
Reply by ●August 1, 20232023-08-01
On Tuesday, August 1, 2023 at 1:52:16 AM UTC-4, Piotr Wyderski wrote:> Ricky wrote: > > > I'm surprised no one else has mentioned this here. > Possibly everyone already knows and waits for confirmation. That's too > good to be true, so the only thing one can do is to wait and see.I had to laugh out loud about the idea that people here would want to wait until all the facts are in to discuss something like this. The EEVBlog group are running wild over this one. It hasn't reached the extent the Titan submersible did, but I think it might get there. But, I agree, you are totally right. There's no real point in trying to reach any conclusions about the veracity of the claim of superconductivity. I would like to hear from anyone who actually knows what all the data means. It appears there is the crap video (which is never claimed to prove anything, really), but even the data in the paper has some issues. I just don't know how bad the issues are. -- Rick C. + Get 1,000 miles of free Supercharging + Tesla referral code - https://ts.la/richard11209
Reply by ●August 1, 20232023-08-01
On 01/08/2023 07:12, Ricky wrote:> On Tuesday, August 1, 2023 at 1:52:16 AM UTC-4, Piotr Wyderski wrote: >> Ricky wrote: >> >>> I'm surprised no one else has mentioned this here. >> Possibly everyone already knows and waits for confirmation. That's too >> good to be true, so the only thing one can do is to wait and see. > > I had to laugh out loud about the idea that people here would want to wait until all the facts are in to discuss something like this. The EEVBlog group are running wild over this one. It hasn't reached the extent the Titan submersible did, but I think it might get there. > > But, I agree, you are totally right. There's no real point in trying to reach any conclusions about the veracity of the claim of superconductivity. I would like to hear from anyone who actually knows what all the data means. It appears there is the crap video (which is never claimed to prove anything, really), but even the data in the paper has some issues. I just don't know how bad the issues are. >Can you post a link to the paper in English? All I got at that site was a blue flying saucer and an error message in Korean that I can't read. -- Martin Brown
Reply by ●August 1, 20232023-08-01
On 01/08/2023 08:46, Martin Brown wrote: <snip>> Can you post a link to the paper in English? All I got at that site was > a blue flying saucer and an error message in Korean that I can't read.https://en.wikipedia.org/wiki/LK-99 -- Cheers Clive
Reply by ●August 1, 20232023-08-01
On 01/08/2023 09:30, Clive Arthur wrote:> On 01/08/2023 08:46, Martin Brown wrote: > > <snip> > >> Can you post a link to the paper in English? All I got at that site >> was a blue flying saucer and an error message in Korean that I can't >> read. > > https://en.wikipedia.org/wiki/LK-99Extra ordinary claims require a better standard of proof and all bets are off until at least one other group can verify the initial results. A hexagonal lattice structure might work with the right dopants, but it would be a lot more reassuring if it showed superconducting behaviour when cooled down. I remember the cold fusion debacle when you couldn't buy palladium foil or heavy water for months afterwards since everybody and their dog had a try at replicating that experiment. Some are *still* trying even now!>-- Martin Brown
Reply by ●August 1, 20232023-08-01
Martin Brown <'''newspam'''@nonad.co.uk> wrote:> On 01/08/2023 09:30, Clive Arthur wrote: >> On 01/08/2023 08:46, Martin Brown wrote: >> >> <snip> >> >>> Can you post a link to the paper in English? All I got at that site >>> was a blue flying saucer and an error message in Korean that I can't >>> read. >> >> https://en.wikipedia.org/wiki/LK-99 > > Extra ordinary claims require a better standard of proof and all bets > are off until at least one other group can verify the initial results. > > A hexagonal lattice structure might work with the right dopants, but it > would be a lot more reassuring if it showed superconducting behaviour > when cooled down. > > I remember the cold fusion debacle when you couldn't buy palladium foil > or heavy water for months afterwards since everybody and their dog had a > try at replicating that experiment. Some are *still* trying even now! >> >I have a fun demo on my lab shelf. It’s a 1-cm square by 0.5 mm piece of nondescript black material, suspended over four NdFeB magnets arranged in a quadrupole. When visitors come, I put it somewhere obvious, and arrange to mention casually that I came up with this interesting material when I was at IBM Research. I can tell how much physics the visitor knows by the size of the double-take. ;) (It’s actually pyrolytic graphite, which is hugely diamagnetic—I bought it long ago.) Cheers Phil Hobbs -- Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC / Hobbs ElectroOptics Optics, Electro-optics, Photonics, Analog Electronics
Reply by ●August 1, 20232023-08-01
On Tuesday, August 1, 2023 at 8:02:23 AM UTC-4, Martin Brown wrote:> On 01/08/2023 09:30, Clive Arthur wrote: > > On 01/08/2023 08:46, Martin Brown wrote: > > > > <snip> > > > >> Can you post a link to the paper in English? All I got at that site > >> was a blue flying saucer and an error message in Korean that I can't > >> read. > > > > https://en.wikipedia.org/wiki/LK-99 > Extra ordinary claims require a better standard of proof and all bets > are off until at least one other group can verify the initial results. > > A hexagonal lattice structure might work with the right dopants, but it > would be a lot more reassuring if it showed superconducting behaviour > when cooled down.I don't follow what you are trying to say. This material is supposed to be superconducting at room temperature. Why would you need to cool it to test it? -- Rick C. -- Get 1,000 miles of free Supercharging -- Tesla referral code - https://ts.la/richard11209
Reply by ●August 1, 20232023-08-01
On Tue, 1 Aug 2023 09:30:31 +0100, Clive Arthur <clive@nowaytoday.co.uk> wrote:>On 01/08/2023 08:46, Martin Brown wrote: > ><snip> > >> Can you post a link to the paper in English? All I got at that site was >> a blue flying saucer and an error message in Korean that I can't read. > >https://en.wikipedia.org/wiki/LK-99A problem with many 'high temperature' superconductors is that they support only small current densities (without loosing superconductivity) making them economically or even technically unusable for long power cables or electric motors. If this LK-99 is really a room temperature superconductor, lets hope that it supports high current densities without loosing superconductivity, so that continent long power cables can be made. This would solve a lot of problems with renewable energy.
Reply by ●August 1, 20232023-08-01
On Tuesday, August 1, 2023 at 1:41:43 AM UTC-4, Ricky wrote:> I'm surprised no one else has mentioned this here. > > https://qcentre.co.kr/home > > This web site is often down from the high traffic volume. The visit counter is reset at 10AM KST or 9PM EDT. > > The long and the short of it is, they appear to have designed a material (LK-99) which is a superconductor up to temperatures above the boiling point of water and pressure of 1 ATM. > > There is some confusion about who has provided what info, with someone providing an unofficial preliminary paper, followed by someone else providing a rushed official paper. The published data shows a few discrepancies. > > A Youtube video is linked from the web site main page, of a LK-99 film plated onto a disk of unknown material, which does not properly demonstrate superconductivity, for who knows what reason. In EEVBlog, they are getting a lot of crap from Dave about this video, since you might think it was presented as evidence, but it isn't. Whatever. Dave likes making noise. > > Still, the claim is the material is not hard to make and I expect to hear some news about verifying (or not) the results of the superconductivity tests.Seems we have the first verification. https://twitter.com/Andercot/status/1686286684424691712 -- Rick C. -+ Get 1,000 miles of free Supercharging -+ Tesla referral code - https://ts.la/richard11209
