Except that superconductor required a pressure of 1.6 million atmospheres! Dunking a high-Tc superconductor in a dewar of liquid nitrogen is pretty easy and re

Except that superconductor required a pressure of 1.6 million atmospheres! Dunking a high-Tc superconductor in a dewar of liquid nitrogen is pretty easy and relatively low cost, and I believe far more practical. I don't know that much about the diamond anvils used to generate these pressures but I believe it's only over tiny surface areas in specialised equipment.