Korean academic body invalidates LK-99 superconductor research results
koreajoongangdaily.joins.com
koreajoongangdaily.joins.com
But it's not claimed to be a typical superconducting material! It's an anisotropic, linear conducting mineral:
https://twitter.com/fodagut/status/1686797346452156416
We shouldn't expect it to exhibit 'typical' properties of a superconductor. This article doesn't seem to pick up on any of that subtlety.
So they haven't really tested it but belive it isn't a superconductor and the article doesn't say the reason why they belive that