blog posts LK-99 isn’t a superconductor — how science sleuths solved the mystery Aug 18, 2023 3:00 pm by NatureIllinois in the News Share on Facebook Tweet Email Images Nature (Aug. 16) Researchers were 'very precise about (the temperature at which LK-99 showed a tenfold drop in resistivity): 104.8 C,' says Prashant Jain, a professor of chemistry at Illinois. 'I was like, wait a minute, I know this temperature.' Share on Facebook Tweet Email