The event and skepticism for the electrical conductor LK-99 at ambient temperature and pressure

1.The“room temperature superconductor LK-99”events from the Korean group On 2023 July 22nd,two papers have submitted to the arXiv,which declared that they finished the world's first room temperature ambient pressure superconductor called LK-99(https://arxiv.org/ftp/arxiv/papers/2307/2307.12008.pdf,https://arxiv.org/ftp/arxiv/papers/2307/2307.12037.pdf).