LK-99 has been touted as a potential room-temperature superconductor that could revolutionize fields like energy and transportation. However, many experts are skeptical as the initial research papers have not been peer-reviewed and contain inconsistencies and imprecisions. Early attempts to replicate LK-99 have had mixed results, with some samples showing signs of diamagnetism but not conclusively proving superconductivity. Even if LK-99 does turn out to be a room-temperature superconductor, significant challenges around manufacturing and engineering would remain before it could be utilized in real-world applications. Many experts believe that more incremental improvements to existing superconductors may be a more practical path forward for now.