2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/46743The significance of light massive neutrinos as hot dark matter is outlined. The power of neutrino oscillation experiments with respect to detect such neutrinos in the eV-region is discussed. Present hints for neutrino oscillations in solar, atmospheric and LSND data are reviewed as well as future experiments and their potential.9 pages, including 3 eps-figures. Talk presented at Workshop Dark96 (Aspects of Dark Matter in Astro- and Particle Physics), Sep. 96 Heidelberg, GermanyHigh Energy Physics - PhenomenologyAstrophysicstext