[moovova]

OK....had to look "Kamioka" up...that's some strange stuff.

https://offbeatjapan.org/super-kamiokande-neutrino-detector/

(See the inflatable boat with 2 people in it?)

[xp38]

Yeah. I only know about it since this detector was working in 1987 and it found evidence of neutrinos from the supernova discovered that year. The supernova happened 160 thousand years ago in the Large Magellanic Cloud which is a satellite galaxy to our own.