The Meissner result demonstrated by levitating a magnet above a cuprate superconductor, which happens to be cooled by liquid nitrogen Under some ailments, including really very low temperatures, some ceramics show high-temperature superconductivity (in superconductivity, "high temperature" signifies above 30 K). The main reason for this is not comprehended, but https://cesarijhfd.blogozz.com/38097079/not-known-details-about-aln