Zhejiang Private Enterprise Solves "Ghost Particle" Detection Challenge: Main Body of Jiangmen Neutrino Experiment Detector CompletedOn October 20th, the main body of the Jiangmen Underground Neutrino Observatory (JUNO) detector, located 700 meters underground in Guangdong province, was completed, marking a significant milestone for this national scientific endeavor. The development of the detector's core component the acrylic protective covers for over 20,000 20-inch photomultiplier tubes (PMTs) had presented an insurmountable challenge for both domestic and international research institutions and large enterprises...