I think that at least some parts of this material has superconductivity properties. That's why the videos shown have some very tiny speckles of the material sho

I think that at least some parts of this material has superconductivity properties. That's why the videos shown have some very tiny speckles of the material showing the diamagnetism effects and just one anonymous video showing full levitation (type 2 superconductor property as I understood).