The Meissner Effect shown by levitating a magnet higher than a cuprate superconductor, which happens to be cooled by liquid nitrogen Less than some ailments, for instance really minimal temperatures, some ceramics exhibit high-temperature superconductivity (in superconductivity, "high temperature" usually means higher than 30 K). The main reason for this https://viralrnaextractionkits71582.blogscribble.com/39433411/considerations-to-know-about-siliziumnitrid