) Interior view of the KATRIN main spectrometer (image: M. Zacher / KATRIN Coll.) The international KArlsruhe TRItium Neutrino Experiment (KATRIN) at the Karlsruhe Institute of Technology (KIT) has once again surpassed its own achievements. The latest data establish an upper limit of 0.45 eV/c2 (equivalent to... read full story