I worried less as to whether LK-99 was a superconductor or not when I thought that the 'flat band' theory might hold water. That could have led to all sorts of

I worried less as to whether LK-99 was a superconductor or not when I thought that the 'flat band' theory might hold water. That could have led to all sorts of interesting results, but alas it appears not to work after all.