August 5, 2025
The University of Tokyo
On July 31, 2025, the University of Tokyo completed excavation of the colossal cavern that will house the main detector volume of Hyper-Kamiokande, a next-generation, ultra-large water Cherenkov detector currently under construction in Hida City, Gifu, Japan.
The Hyper-Kamiokande (Hyper-K) project is an international scientific research collaboration led by the University of Tokyo and the High Energy Accelerator Research Organization (KEK). As of July 2025, approximately 630 researchers from 22 countries are actively contributing to the project.
For details, visit here (The University of Tokyo’s website).