Holy Sh*t: Super-Kamiokande

The Super-Kamiokande is a Cherenkov detector. I'm not really even sure what this is used for honestly; the science is very much above my head. But it is beautiful.

http://blog.makezine.com/archive/2009/08/super-kamiokande.html?CMP=OTC-0D6B48984890

http://www-sk.icrr.u-tokyo.ac.jp/sk/index-e.html