superconductivity is quite a cool phenomenon. But what is it, and why is is such a big deal?

MRI scanner picture:
jgmarcelino – new “toy”
(https://www.flickr.com/photos/gkpics/4542813174)
License: Attribution 2.0 Generic (CC BY 2.0)

Intro picture:
DFSB DE – Superconductor
https://www.flickr.com/photos/deepfrozen/34491990233
License: Attribution-ShareAlike 2.0 Generic (CC BY-SA 2.0)

(AKIO TV) MMXVII