It's a neutrino detector a kilometer underground in an old mine -- pretty crazy. https://en.wikipedia.org/wiki/Neutrino_detector
The ultimate mission of Unsorted is to stimulate curiosity. When it does that, it makes me want more.
Brilliant music? Yes. But I was a bit appalled when I first saw this video a few weeks ago. Now? It's definitely not for me this week. I can't watch it from 1:08 and enjoy the music, man.