Summary
South Korean scientists claim to have developed a room-temperature ambient-pressure superconductor called LK-99. If confirmed, it could revolutionize technology as superconductors usually need extreme cooling. LK-99's critical temperature is 127°C, making it suitable for various applications without requiring high pressure. The researchers believe LK-99 exhibits superconductivity due to stress on lead from copper atoms. Further verification is needed, but if successful, it could open new possibilities for humankind. The paper is available on arXiv.
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My thoughts
Because of previous events in this field of research, these Papers are subject to very strong doubt (e.g. https://www.iflscience.com/roomtemperature-superconductivity-has-been-achieved-after-109-years-with-a-catch-57478 this paper claiming similar things has been redacted 2 years later). The paper still needs to undergo peer-review, but if this turns out to be true, the future technologies with this would be changing for the whole world.
Sources
https://www.iflscience.com/first-room-temperature-ambient-pressure-superconductor-achieved-claim-scientists-70001
https://arxiv.org/ftp/arxiv/papers/2307/2307.12008.pdf