There's all kinds of cool examples of this using liquid nitrogen to make a superconductor exhibit the Meissner effect. The material in question will have these

There's all kinds of cool examples of this using liquid nitrogen to make a superconductor exhibit the Meissner effect. The material in question will have these effects at room temperature and pressure. https://youtu.be/HRLvVkkq5GE?t=53 https://youtu.be/HRLvVkkq5GE?t=53