Fiona Burnell! Darren Peets! Ryan North!
it's a Festival of wonderful.
listen, i'm going to admit it here. I didn't know much about how superconductors work when i chose this topic.
I don't know why i never learned how it worked, but I never did. whoops. 
anyway, the answer is crazy. it has to do with electrons getting married and having to get their credit card spending under control. 
I don't know if that Gail Lady visited them or what.