National Lab results support LK-99 as a room-temperature superconductor (twitter.com)

Good news but only it's only a retweet summary of an Arxiv paper from 2 days ago. And that was only a simulation.

Who is this Andrecot person? Were they the one responsible for spreading the Sinead paper everywhere? I feel like unless they have a PhD or equivalent research background, they will make the mistake of reading too much into a single paper.