2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/28385Two questions connected to the macroscopic Maxwell equations are addressed: First, which form do they assume in the hydrodynamic regime, for low frequencies, strong dissipation and arbitrary field strengths. Second, what does this tell us about irreversibility and coarse-grained description.8 pages, 2 figures, a written-up seminar talkStatistical MechanicsSoft Condensed Mattertext