2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/12585The present generation of radio telescopes, combined with powerful new spectrometers, is opening a new age of redshifted radio absorption-line studies. Outfitting of arrays of antennas, such as the European VLBI Network and the upgraded VLA, with flexibly tuned receivers, will measure sizes and kinematics of intervening galaxies as a function of cosmic time.12 pages, 6 figures, to appear in "Highly redshifted radio lines," eds. Carilli, Radford, Menten, and Langston (San Francisco: ASP Conference Series)Astrophysicstext