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This is exciting, but I try to maintain my composure. Good luck to all involved. I didn’t know science could be such a thrilling spectator sport.
by SanderNL 3y ago
This is exciting, but I try to maintain my composure. Good luck to all involved.
I didn’t know science could be such a thrilling spectator sport.
- declan_roberts 3y agoThe fun part about this is how easy things are to grasp even though I have zero background in the science.
- kijin 3y agoIt certainly doesn't hurt that this thing levitates. No need to squint into a microscope, parse a screen full of numbers, or try to make sense of false-color renderings. Either you have video proof of a levitating object, or you don't. The demonstration is as intuitive as it gets, despite the fact that the theory is crazy difficult to wrap one's head around.
- itsarnavb 3y agoAnd the techniques to produce the material are not too crazy, all within reach of sufficiently dedicated amateurs
- dclowd9901 3y agoLevitates? Against, what, the earth's inherent magnetic field? Sorry, I haven't seen any visuals that show this behavior.
- failuser 3y agoLevitation in magnetic itself is not the proof. Frogs can do that too, ask Geim. The proof would be levitation in any orientation.
- _0ffh 3y ago> Frogs can do that too One even did that on the cover of Nature, iirc.
- andersa 3y agoWhen do we start building things out of superconducting frogs?
- jacquesm 3y agoUsing a 'slightly' stronger magnetic field...
- zbobet2012 3y agoOnly over an electromagnet, not a fixed one (to our knowledge). Digmagnetic levitation requires more than one magnet or an electromagnet. https://en.m.wikipedia.org/wiki/Magnetic_levitation https://en.m.wikipedia.org/wiki/Magnetic_levitation
- marshray 3y agoOver a handheld neodymium magnet. None of the videos have yet shown complete 'levitation', they all have a corner on the surface. But still, not behavior that anyone has ever seen from lead before.
- rvnx 3y agoBut couldn't it just be a magnet ? I don't understand how it's a proof. You can already do what is in the video (and even better), with for example, pyrolitic carbon ? https://en.wikipedia.org/wiki/Pyrolytic_carbon https://en.wikipedia.org/wiki/Pyrolytic_carbon
- aeneasmackenzie 3y agoIt’s not proof, but if it wasn’t even diamagnetic it would be over. It couldn't just be a magnet, it is repelled from both ends of a normal magnet, according to Chinese lab videos you can find in the thread.
- marshray 3y agoLead weighs a lot more than pyrolytic carbon.
- zarzavat 3y agoHave you seen videos of pyrolytic carbon? A thin sliver of it barely hovers on top of a huge magnet. It doesn’t stand erect. Same effect as LK99 but much smaller magnitude.
- zbobet2012 3y agoNo, digmagnetic of levitation requires multiple magnets in a halbac array: https://www.kjmagnetics.com/blog.asp?p=diamagnetic-levitation https://www.kjmagnetics.com/blog.asp?p=diamagnetic-levitatio... https://pubs.aip.org/aip/apm/article/9/10/101107/1061600/Photothermal-actuation-of-levitated-pyrolytic https://pubs.aip.org/aip/apm/article/9/10/101107/1061600/Pho...
- kijin 3y agoIt almost feels like we're back in the days of Lavoisier. Scientists staging elaborate public experiments, blowing things up to support or debunk a popular theory. Deadly rivalries, publicity stunts, each new development a matter of personal, institutional, and national hubris.
- lordnacho 3y agoPersonally I can't wait to be able to go to the Royal Institution in London to see someone demonstrate this thing. Just like they demonstrated all the stuff you know from school over a hundred years ago, before you needed fancy equipment to do anything.
- eesmith 3y agoIt reminds me of the days of cold fusion. Or the days of buckminsterfullerene. Basically, something which is very unexpected, with potentially large consequences, and which can be done in many labs using discretionary funding.
- Agingcoder 3y agoYes, this is absolutely thrilling. I can’t help looking for the latest development everyday.
- baq 3y agoEvery day? I’m checking like every half hour
- dwaltrip 3y agoBest places to check if I’m casually interested?
- pingohits 3y agoI've been using this forum post: https://forums.spacebattles.com/threads/claims-of-room-temperature-and-ambient-pressure-superconductor.1106083/page-11?post=94266395#post-94266395 https://forums.spacebattles.com/threads/claims-of-room-tempe... But I'd also appreciate other links
- fouc 3y agoI found another place that's maintaining replication results too: https://eirifu.wordpress.com/2023/07/30/lk-99-superconductor-summary/ https://eirifu.wordpress.com/2023/07/30/lk-99-superconductor... It's interesting they marked one of the claims as "likely fraudulent" but the guy at the spacebattles one hasn't. The video doesn't seem to be related at all to the 4 samples one, so I'm not sure why they think it's likely fraudulent.
- hinkley 3y agoI saw a video the other day that pointed out that the breakdown current for their sample was 260 mA. Now there's a lot of things you can do with 260mA, but I don't believe high-tesla electromagnets are in that list, so no MRIs, no fusion, and probably no electromotive devices (generators, motors).
- codeulike 3y agoBut now we know its possible, maybe they can figure out the structures that make it work and develop better materials?
- hinkley 3y agoI'm hoping for something that isn't made entirely out of a superfund site material, personally.
- ipdashc 3y agoUnless I misunderstand what you mean / what the stuff is made of, this seems like a huge exaggeration... lead isn't friendly, sure, but it isn't that dangerous? There are worse materials that are in common use. (And we use lead in plenty of places already)
- asynchronous 3y agoPersonally hopeful it inspires a “gold rush” of funding materials research to get LK99 to a supremely useful spot
- elteto 3y agoIt took 80 years to go from a crude prototype at Bell Labs to Apple announcing the M1. We just need to know it’s possible. The rest will follow.
- greggsy 3y agoThe M1 is just as significant as an ESP32 or Celeron in the scheme of things. Isn’t the introduction of the 4004 in 1971 a better comparison? while that was still 24 years since the Bell labs discovery, we have much better scientific, manufacturing, logistical and mining ecosystems within industry and research today. If there’s a compelling reason to do so, governments will find ways to accelerate the development of those ecosystems from decades to years (probably more like a decade).
- rodgerd 3y ago> This is exciting, but I try to maintain my composure. One wit on a different social media site opined that "all technological advances such as plumbing and petrol result in lead poisoning, so perhaps this is real".
- vinnyvichy 3y agoHe forgot about the 3rd P, perovskites (cheaper & more efficient solar cells)