Earlier quoted context omitted.
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Room-Temperature Ambient-Pressure Superconductor LK-99 preprint revision 2
111–120 of 316 posts
Re: Room-Temperature Ambient-Pressure Superconductor LK-99 preprint revision 2
#112Earlier quoted context omitted.
Doesn't anyone working in the physical sciences know how to record a decent video that isn't shaky, blurry, out-of-focus, or a handheld mobile phone recording of a computer screen? He's using a digital microsocope! Just press the "record" button and upload that! I can't wait for someone to successfully reproduce it, use a polaroid camera to take the photo, print it out, fax it, and have someone scan in the photocopy,…
Re PS: What’s gonna convince you?
What do they say, extraordinary claims require extraordinary evidence.
This is extremely ordinary 'evidence'
Re: Room-Temperature Ambient-Pressure Superconductor LK-99 preprint revision 2
#113Earlier quoted context omitted.
Time to invest in lead futures?
Or buy car batteries while they're still affordable. Lead is less abundant in the Earth's crust than cobalt or neodymium, or even lanthanum.
I might have to go collect all the ones I've thrown in the ocean over the years
Re: Room-Temperature Ambient-Pressure Superconductor LK-99 preprint revision 2
#114I have a PhD in material science and worked with superconductors, here are two things that is often misunderstood: 1) it takes a undergrad to make and measure a superconductor but a Nobel laureate to explain it. 2) in theory if you understand the mechanism of something you can improve it. In material science however almost always all you need is a trial and error approach to end up with a good result. Conclusion: the…
> 1) it takes a undergrad to make and measure a superconductor by a Nobel laureate to explain it. This first sentence is vague. Are you saying things must be made before they can be explained, as the sentence reads? Or is there a typo and this should be “and a Nobel laureate to explain it”?
I was rather confused by the grammar, replacing 'by' with 'and' makes so much more sense. Thanks
Re: Room-Temperature Ambient-Pressure Superconductor LK-99 preprint revision 2
#115I have a PhD in material science and worked with superconductors, here are two things that is often misunderstood: 1) it takes a undergrad to make and measure a superconductor but a Nobel laureate to explain it. 2) in theory if you understand the mechanism of something you can improve it. In material science however almost always all you need is a trial and error approach to end up with a good result. Conclusion: the…
> 1) it takes a undergrad to make and measure a superconductor by a Nobel laureate to explain it. This first sentence is vague. Are you saying things must be made before they can be explained, as the sentence reads? Or is there a typo and this should be “and a Nobel laureate to explain it”?
yes, you are right I meant to say "and a Nobel laureate to explain it"
Re: Room-Temperature Ambient-Pressure Superconductor LK-99 preprint revision 2
#116Re: Room-Temperature Ambient-Pressure Superconductor LK-99 preprint revision 2
#117I have a PhD in material science and worked with superconductors, here are two things that is often misunderstood: 1) it takes a undergrad to make and measure a superconductor but a Nobel laureate to explain it. 2) in theory if you understand the mechanism of something you can improve it. In material science however almost always all you need is a trial and error approach to end up with a good result. Conclusion: the…
Who's Miss Understood? Can you introduce me to her?
Re: Room-Temperature Ambient-Pressure Superconductor LK-99 preprint revision 2
#118What are the implications in general of room temperature superconductors? I just know that they needed typically ultra low temperatures right? But what would be the practical implications?
Cooler chips. Chips heat due to resistance, and superconductors have zero resistance (by definition). I suspect this is the company's intended application. The following quote from their patent is very suggestive if you know about semiconductor manufacturing. > In addition, various energy sources used for deposition are not limited to chemical vapor deposition (CVD) using heat, but atomic layer deposition (ALD), sput…
> Cooler chips. Chips heat due to resistance, and superconductors have zero resistance (by definition). I suspect this is the company's intended application. The following quote from their patent is very suggestive if you know about semiconductor manufacturing.
Power consumption due to R in metal stack is not a large proportion of total. There could be bigger opportunity in reducing wire delay though.
Re: Room-Temperature Ambient-Pressure Superconductor LK-99 preprint revision 2
#119tl;dr: The only change, aside from the increased number of broken bookmarks, is that the misleading Fig. 4a in the page 7 has been splitted into Fig. 4a and 4b with different axes.
What's up with "Error! Bookmark not defined"? Is this some kind of trolling? I guess its presence in the first version is understandable if it was posted in hurry, but why leave it in the revised version?
This can happen when saving a Word document as PDF. You don’t see it in the Word document before, but it ends up that way in the PDF. They apparently didn’t double-check the PDF.
Re: Room-Temperature Ambient-Pressure Superconductor LK-99 preprint revision 2
#120I have a PhD in material science and worked with superconductors, here are two things that is often misunderstood: 1) it takes a undergrad to make and measure a superconductor but a Nobel laureate to explain it. 2) in theory if you understand the mechanism of something you can improve it. In material science however almost always all you need is a trial and error approach to end up with a good result. Conclusion: the…
> 1) it takes a undergrad to make and measure a superconductor by a Nobel laureate to explain it. This first sentence is vague. Are you saying things must be made before they can be explained, as the sentence reads? Or is there a typo and this should be “and a Nobel laureate to explain it”?
I think there's a typo: by=but
Edit: already explained