Room Temperature Superconductor? No, it is not, it is pyrolytic graphite

Pyrolytic graphite is one of the materials that has the largest diamagnetism at room temperature. Diamagnetic materials tend to repel the magnetic field. Thus, if there is a magnetic field potential, like the first figure, there would be a levitation force for the diamagnetic material.




Pyrolytic graphite is a low-density material, and hence a small levitation force is enough for it to float in the air. I did a small experiment with rare-earth magnets to forming the potential. As shown in the following graph, the little graphite flake is floating.