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Electronic Structure of LK-99

arxiv.org

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Re: Electronic Structure of LK-99

#211

Post by golol »

xtracto wrote: post #127
JamisonM wrote: post #113

Earlier quoted context omitted.

> 3. In May we find out apparently our government has recovered alien technologies This is a silly thing to include on the list since it doesn't seem to be true?

What's up with that uh? I read about the swore statements during the depositions, and all the mainstream media news, but for some reason HN had radio silence. Is there something I missed that shows it's all shenanigans?

100% chance the guy is just lieing for attention or because he is delusional. He said that UFOs could be coming from extra dimensions. He might as well say that the UFOs are coming from atlantis or the second circle of hell. It's just horseshit, plain as.

Re: Electronic Structure of LK-99

#212

Post by jiggawatts »

Valgrim wrote: post #75
SamPatt wrote: post #47

Earlier quoted context omitted.

The least interesting phenomenon revealed so far is that HN is split into a group who are entertained by watching and discussing emerging tech / science news, and a second group who are entertained by disparaging the first. I enjoy watching floating rocks and talking to computers.

Same with me, it gives me the same feeling of "Living in a science fiction world" that I once felt when cell phones or Google maps came out. Of course even tough I still use both profusely every day, the feeling of novelty wore out. I expect the same will happen with this.

In an episode of Star Trek: The Next Generation a redshirt used a tricorder to check the weather and said they would have to beam up soon because a storm was approaching.

At the time I thought to myself: “Bah, that’s never happening, it’s pure fantasy!”

A few years later I told some friends we’d have to pack up our picnic because according to the weather radar app on my phone we had about 7 minutes until we got drenched… no wait… 6 minutes.

5m:30s later we were standing under shelter watching the storm front rolling in, and I remembered that Star Trek scene.

We live in the future.

Re: Electronic Structure of LK-99

#213

Post by xvector »

jurgenaut23 wrote: post #210
bluecoconut wrote: post #12

I got my PhD studying band structure of high-tc superconductors (experimentalist, ARPES). These Cu d-d interactions right at the fermi energy give me huge hope. Feels very familiar to other superconductors (re: all the cuprates). (Note: I specifically worked in a lab that was measuring a lot of the d-wave character / gap-energies of various superconductors) All in all, I'm now much more bullish on LK-99 being real su…

Beyond the raw scientific excitement, can you explain how this would affect mankind (positively and, of course, perhaps negatively)?

Impact of superconductors: https://threadreaderapp.com/thread/1685088625187495936.html

Re: Electronic Structure of LK-99

#214

Post by tavavex »

fouc wrote: post #201
tavavex wrote: post #186

Earlier quoted context omitted.

Exact opposite for me - with stuff like AI tech, I'm a lot more familiar with the subject matter than the happenings in the material sciences, so it allows me to be more confidently optimistic about computer-related advancements. Even if my education is still insufficient to grasp the full extent of new tech, I can at least try to understand it conceptually. On the other hand, the LK-99 news seem very promising, but…

> a lot of professionals in the field are still iffy That seems like a strange perception. I'm seeing the opposite.

When the news had first made the rounds several days ago, the overwhelming sentiment that I felt was "meh, this seems so unprofessional. Probably just another fabrication, like all the previous ones. I guess we might as well check just to be sure". Kind of an exaggeration, but this is what I took away then.

Now that any data from third parties starts slowly dripping in, the perception seems to be changing to very cautious curiosity. No experts are putting their reputation on the line for what little information we have, but interest in this topic is definitely rising. Hence why I said they were 'iffy'.

Re: Electronic Structure of LK-99

#215

Post by mannerheim »

tanseydavid wrote: post #191
xorbax wrote: post #136

Earlier quoted context omitted.

They (1) claim not to know what the craft are, which somebody told him contained (2) nonhuman biological whatever It could be a Chinese drone with rat-cell-on-a-chip inside it The guy's testimony was that somebody told him stuff and it seemed scary. Congress made a dog and pony show that a significant chunk of people attended. Parse the details, not the overarching fantasy. The government admitted to doing this in th…

>> and remember that Air Force pilots aren't supreme authorities for objectively assessing parallax and assigning airspeed to all moving objects while flying a fucking cracker attached to a rocket. They don't need to be "supreme authorities" on anything -- they have insane technology acting as their eyes and as their objective measuring and tracking systems.

The technology itself in the 'Go Fast' video shows the object isn't moving fast. The distance from the object and the direction of the camera are available in the video, and using this you can calculate the altitude and speed of the object in question.

https://www.youtube.com/watch?v=PLyEO0jNt6M

Re: Electronic Structure of LK-99

#216

Post by djangelic »

UberFly wrote: post #35

Several commenters here have mentioned demonstration videos. Does anyone have a link(s) to these? Many thanks.

I believe this blog post has a breakdown of all the updates and the twitter posts with the videos: https://eirifu.wordpress.com/2023/07/30/lk-99-superconductor...

Re: Electronic Structure of LK-99

#217

Post by dogcomplex »

dylan604 wrote: post #98
dogcomplex wrote: post #88

Earlier quoted context omitted.

lol same as it ever was

not really. before, fraud claims were from the non-believers. now, the fraud claims are from the SEC and other government agencies. one can be swatted away with clever tweets, er, xes (what are tweets called now?), the other sees people going to jail.

still plenty of frauds either way, just bigger scale.

Would be nice if they all get locked up, and/or decentralized regulation/vetting networks arise

Re: Electronic Structure of LK-99

#218

Post by throwawaylinux »

jacquesm wrote: post #209
jeffbee wrote: post #16

The most interesting phenomenon revealed so far is that the room-temperature superconductor people and the generative-LLMs-are-God people draw on the same limited global pool of credulity, such that HN cannot be flooded with both ChatGPT worship and superconductor speculation at the same time.

Jeffbee in the 1947 edition: The most interesting phenomenon revealed so far is that the solid state electronics people and the rocket fanatics people draw on the same limited global pool of credulity, such that TinkererNews cannot be flooded with both transistor worship and moon travel speculation at the same time. Seriously: if it doesn't interest you, you could simply refrain from commenting and even reading. This…

Despite the the "strictly no jesting on the super serious hacker news" rule, I think it was just a joke. I wouldn't let it get to you too much. I thought it was pretty funny.

Re: Electronic Structure of LK-99

#219

Post by odyssey7 »

cthalupa wrote: post #179
odyssey7 wrote: post #175

Earlier quoted context omitted.

Interesting angle — but if heat death were possible it would have happened by now.

Huh? Heat death of the universe is going to take an incomprehensibly large amount of time. Like, 10^106 years. The universe is A LOT younger than that.

As Hawking once explained, “Since events before the Big Bang have no observational consequences, one may as well cut them out of the theory, and say that time began at the Big Bang.” When cosmologists talk about the universe and its age, it seems to me, as a non-cosmologist, that they’re using terms of art related to their models.

Hawking’s explanation deduces that if the observable universe expanded from a singularity, we would be unable to meaningfully theorize what happened before then, since it would be beyond any form of observation to test the theory. Therefore, a scientific model rooted in observation can describe nothing earlier than the Big Bang.

However, not everything unseen is untrue. If a singularity were to form somewhere in Andromeda tomorrow — in all likelihood, one will — we will still have existed today.

Edit: The initial comment was meant as a lighthearted reply to the universe personification, but I ended up sensing a need to explain the reasoning.

Re: Electronic Structure of LK-99

#220

Post by TheSpiceIsLife »

redrobein wrote: post #29
anigbrowl wrote: post #17

Earlier quoted context omitted.

So happy to hear this. I've been hoping for some sort of breakthrough ever since I first encountered footage of magnets falling through Cu tubes at an extremely leisurely pace.

Any conductive material for the tube will have a similar effect. It isn't specific to copper. The moving magnet induces a current in the tube which in turn creates the magnetic field that interacts with the magnet.

Not any conductive material, obviously won’t work won’t work, nor magnetic steel / stainless steel alloys.
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