A golden chamber buried under a mountain in Japan contains water so pure it can dissolve metal, and it's helping scientists detect dying stars

Kamioka Observatory, ICRR (Institute for Cosmic Ray Research), The University of Tokyo The Super-Kamiokande neutrino detector is a physics experiment the size of a 15-story building, buried under a mountain in Japan. Neutrinos are sub-atomic particles that pass through us all the time, and studying them can tell us about supernovas and the composition of the universe. Super-Kamiokande featured on the cover of Nature Magazine in April 2020 after the detector played a vital part in a paper examini...