2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/170170This paper discusses some aspects of PHOBOS physics and its origins, in particular participant scaling and extended longitudinal scaling, seen in A+A and h+A collisions at all energies.5 pages, 1 figure, 24th Winter Workshop on Nuclear Dynamics, South Padre, TX, USANuclear Experimenttext