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A room-temperature superconductor? New developments

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251–260 of 821 posts

Re: A room-temperature superconductor? New developments

#251
post #89

Earlier quoted context omitted.

That's what I meant. It states energy density as 40 kJ/L. Lithium batteries have energy density up to 2.5 MJ/L. Fossil fuels and hydrogen way more.

That 40kJ/L is for the entire system including the cyronics. Get rid of the cyronics and the system gets far far more energy dense.

Do you have a source for this?

Re: A room-temperature superconductor? New developments

#252
post #19

I still have a very, very hard time understanding what all of this means. Is there an easy to understand explanation for a room temperature superconductor?

For something close to home, imagine a gaming laptop that runs on full performance mode without generating any heat. Imagine datacenters running full workloads without needing cooling. Electromagnets are built with coils of copper magnet wire - an efficient conductor but generates waste heat - what if we could build those electromagnets with zero resistance? Electric motors become very exciting. The electrical mechan…

> For something close to home, imagine a gaming laptop that runs on full performance mode without generating any heat. Imagine datacenters running full workloads without needing cooling.

Aren't there other components like transistors that will still generate heat?

Re: A room-temperature superconductor? New developments

#253
post #165

I'm astounded that the MSM seems to be ignoring this ATM. I did a Google news search on LK-99 and saw nothing from major publications. A search on the NYTimes returned an article from 1974.

I think them waiting until there’s more research is preferable to them coming out and making random claims which pan out not to be true.

Because the media is of course known for studying topics in high detail to make sure they don't report the wrong thing and not for rushing half written hearsay out the door before the competitors do.

Re: A room-temperature superconductor? New developments

#255
post #223
post #41

Earlier quoted context omitted.

But fear the news if it is discovered that LK-99 increases AI performance.

A planet completely populated by electronic beings. Single-celled life, multi-cellular, mushrooms, trees, whatever ate lignin, dinosaurs, rodents, humans, Electric beings? I mean, there's nothing 'unnatural' about a world populated by robots, we just assume that 'alive' means 'made of meat', but the raw materials in a robot and a human are all Earth based.

I recommend checking out "They're made out of meat": https://www.youtube.com/watch?v=GggK9SjJpuQ

Re: A room-temperature superconductor? New developments

#256
post #167

Earlier quoted context omitted.

What has happened to HN the past few months? So much AI, Superconductors and open source air quality monitoring.

You've fallen for the Fundamental Attribution Error. It's not HN; it's the world that's driving this. 1. GPT-4-grade AI is a genuine, holy-smokes innovation that is already driving massive changes in education (universities are having to redesign all their writing assignments,) entertainment (SAG-AFTRA strike,) and the tech industry (the sudden disappearance of thousands of jobs, and the concomitant socioeconomic dem…

I don't know, I haven't really seen the same level of interest from my "normie" friends that I've seen among the HN-adjacent crowd. None of them seem to be aware of LK-99, let alone care about it. Meanwhile, the GPT hype has worn off, and on that note, none of them seem to be aware that there's a difference between GPT-4 and ChatGPT. The former is this vague, nearly non-existent thing.

They're aware of the actors/writers strike and the association AI has with it, but AI in this context is a vague speculative thing rather than a specific type of AI or brand of AI made by some company.

Re: A room-temperature superconductor? New developments

#257

If it's real, how fast could we see concrete applications using this material? 5-year time frame? 10-year time frame? More?

Nobody knows, it depends on a multitude of factors, but most likely this won't be the exact material which will have applications, I'm sure there is a much easier to fabricate related material which will be the first of a whole set of materials which act as superconductors at room temperatures.

Why be so sure about that? I really hope it doesn't turn out to be graphene 2.0, a material that can revolutionize everything but can't be produced consistently and in usable quantities by any means at all.

Re: A room-temperature superconductor? New developments

#258

New replication video coming from China https://twitter.com/lereguy/status/1686363900651151360

Hang on, wouldn't a sliver of any magnetic material behave like this within a moving magnetic field? This replication is a fail, yes?

Both polarities repel the material, a normal magnetic material would attract the second time

Re: A room-temperature superconductor? New developments

#259

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.

I 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).

It 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.

Re: A room-temperature superconductor? New developments

#260

Earlier quoted context omitted.

I have seen three now from China alone. Plus a calculation from some respected institute from today that confirms the theory

Why are they all from China? Why are they able to replicate so much faster than US labs?

Because there has literally only been 2-3 weekdays since the LK-99 revelation.

Do you expect American and European scientists to work during weekends?

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