>Also, why does the chunk in the image levitate in a stable manner? I don't know what this new thing is, but isn't 'locking'/'pinning' a known characteristic o

>Also, why does the chunk in the image levitate in a stable manner? I don't know what this new thing is, but isn't 'locking'/'pinning' a known characteristic of superconductors otherwise? that's the whole point of the 'train track' demo they do with cold superconductors for college kids.