Abstract
This neutrino detector is called IceCube. 86 strings are evenly buried under a hexagonal area of 1 km2. On each string, 60 DOMs are attached vertically at depths between 1450 m and 2540 m. While DOMs of various sizes exist, those used for IceCube are around 35 cm in diameter.
(Cover: ©IceCube Collaboration; Explanation: Satoru HONDA, Hiroyuki TANAKA and Kotoyo HOSHINA)