China’s Jiangmen Underground Neutrino Observatory enters operation
The Jiangmen Underground Neutrino Observatory (JUNO) completed the filling of 20,000 tons of liquid scintillator on Tuesday, commencing official operation and data collection, the state broadcaster CCTV News reported.
Following more than 10 years' preparation and construction, JUNO has become the world's first operational ultra-large-scale and ultra-high-precision neutrino-dedicated large scientific facility.

The Jiangmen Underground Neutrino Observatory (JUNO) completed the filling of 20,000 tons of liquid scintillator on Tuesday, commencing official operation and data collection, the state broadcaster CCTV News reported.
Following more than 10 years' preparation and construction, JUNO has become the world's first operational ultra-large-scale and ultra-high-precision neutrino-dedicated large scientific facility.