The Meissner effect shown by levitating a magnet earlier mentioned a cuprate superconductor, and that is cooled by liquid nitrogen Underneath some ailments, for example incredibly reduced temperatures, some ceramics show high-temperature superconductivity (in superconductivity, "high temperature" usually means earlier mentioned 30 K). The reason for it's not comprehended, but https://rna-beads41739.pages10.com/considerations-to-know-about-what-is-ceramic-material-74519120