First screen, captured .
497 points by spekcular | 373 comments
arXiv preprint presenting DFT calculations of the electronic structure of the putative room-temperature superconductor LK-99 (Pb9Cu(PO4)6O), finding flat Cu bands at the Fermi level.
444 points by lnyan | 268 comments
arXiv preprint (v2) by Lee et al. claiming LK-99, a copper-doped lead apatite, is a room-temperature ambient-pressure superconductor showing levitation.
734 points by segfaultbuserr | 348 comments
arXiv preprint reporting zero resistance above 100 K at ambient pressure in a synthesized polycrystalline sample of copper-doped lead apatite (LK-99).
576 points by spekcular | 240 comments
arXiv preprint reporting a synthesis of the LK-99 compound Pb10-xCux(PO4)6O that shows semiconducting rather than superconducting transport.
2308 points by spekcular | 1146 comments
arXiv preprint reporting synthesis of LK-99 crystals that show room-temperature, ambient-pressure magnetic levitation, replicating Sukbae Lee et al.'s claims.
317 points by platz | 276 comments
arXiv preprint reporting that LK-99-like samples show half levitation due to soft ferromagnetism, with no evidence of superconductivity.
444 points by lnyan | 268 comments
arXiv preprint (v2) by Lee et al. claiming LK-99, a copper-doped lead apatite, is a room-temperature ambient-pressure superconductor showing levitation.
697 points by pykello | 344 comments
LWN.net article by Lee Phillips examining Typst, an Apache-licensed Rust document typesetting program positioned as a simpler, faster alternative to LaTeX.
26 points by surprisetalk | 1 comments
A Substack post by an amateur physicist describing a new strategy for doing home experiments after reorganizing a messy lab to fit limited free evenings.
734 points by segfaultbuserr | 348 comments
arXiv preprint reporting zero resistance above 100 K at ambient pressure in a synthesized polycrystalline sample of copper-doped lead apatite (LK-99).