2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55106We present evidence that an interplay of the laws of microphysics and cosmology renders the Planck momentum unattainable by an elementary particle. Several categories of accelerators are analyzed and shown to fail.39 pages, 2 figures, latex2e, epsfHigh Energy Physics - Theorytext