Gigantic Japanese detector prepares to catch neutrinos from supernovae

March 2, 2019
Super Kamiokande

Eleven thousand giant orange eyes confront the lucky few who have entered the Super-Kamiokande underground neutrino observatory in Japan — by far the largest neutrino detector of its kind in the world. A chance to see these light sensors is rare because they are usually submerged in 50,000 tonnes of purified water. But a major revamp of Super-K that was completed in January offered a rare chance to peer inside this grand cathedral of science.

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