YBCO floating on neodynium magnet

Hi all, here is an interesting experiment. When you cool a YBCO (a kind of superconductor) using liquid nitrogen and placed it on top of the neodynium magnet, it will create a meissner effect which will allows the YBCO to float on top of the neodynium magnet as shown in the video.

Do note, it need strong magnetic field, in order to let it float. So neodynium magnet is needed and not other normal magnet. The theory behind it that cause the floating is quite complicated so I will not touch on that. I only want to show the video, how amazing it is to see something floating.