Ghost Particles Just Got Lighter: KATRIN Sets a New Benchmark for Neutrino Mass

Neutrinos, the mysterious and nearly massless particles that barely interact with anything, are revealing new secrets through the KATRIN experiment. Using tritium decay and advanced spectrometry, KATRIN has slashed the upper limit on neutrino mass, pushing our understanding of fundamental physics into new territory. With 250 days of data already analyzed and more to come, [...]