Has the University of Rochester actually done it?
https://www.rochester.edu/newscenter/rochester-sets-new-record-for-room-temperature-superconductor-455722/#:~:text=Rochester%20lab%20sets%20new%20record%20toward%20long%2Dsought%20goal,-October%2014%2C%202020&text=Compressing%20simple%20molecular%20solids%20with,is%20superconducting%20at%20room%20temperature.
More Here. (https://www.rt.com/news/503585-superconductivity-room-temperature-major-breakthrough/)
Video (https://www.youtube.com/watch?v=onB0w3_Su9I)