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Ziggurat ,

A Korean team claims it’s a ambient temperature supra conductor (it’s been 100 years that material physicists have been looking for one) . If true it’s a major discovery. Remember December 2019 when we heard about a new virus in Wuhan?

However,

It has been published on arxiv, where scientists share draft paper before final publication (so you get early results without loosing 2 years in review) meaning it hasn’t been peer reviewed. We talk about a major discovery, not about one more paper about quantum nanodots or a yet an algorithm to classify galaxies by shape using machine learning. In general, these ones are kept secret until publication and front page of a big journal.

To my understanding, on the recent development, one team couldn’t reproduce their experiment while another concluded that theoretically speaking LK99 could be superconducting

So basically, the 3 options are

  • It’s a it’s a fraud (but why fraud with such a high buzz tittle?)

— Paper is over optimistic but LK99 has nice property and is a milestone on the way (but again why come with such a big claim?)

— It’s really superconducting, and for some reasons they had to release an early preprint (may be another team was about to publish) which would be a major discovery

kinttach ,

LK-99 is a potential room-temperature superconductor. The Wikipedia article has a good overview, including how attempts to replicate the findings have so far failed.

Uprise42 ,

It should be noted that attempts may have failed due to poor definitions in the paper which make it more difficult to replicate on the first try. It means more testing will need to be done to truly know if it can be replicated.

But also, just today someone claimed to have replicated it at a Chinese university. Now, I’m not a physicist so I have no idea if the video is legit or not but it has a lot of professionals in the field talking so I think it carries some weight. It isn’t something to get excited about yet, but also don’t brush it off as a hoax either:

https://www.tomshardware.com/news/superconductor-breakthrough-replicated-twice

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