The Meissner influence demonstrated by levitating a magnet over a cuprate superconductor, which can be cooled by liquid nitrogen Below some circumstances, like extremely small temperatures, some ceramics show high-temperature superconductivity (in superconductivity, "high temperature" implies over thirty K). The rationale for this isn't recognized, but There are 2 significant https://rnapurificationbeads94703.shotblogs.com/ceramicos-propiedades-for-dummies-53180093