2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/131532This paper offers an alternative approach to discussing both the principle of relativity and the derivation of the Lorentz transformations. This approach uses the idea that there may not be a preferred inertial frame through a privileged access to information about events. In classroom discussions, it has been my experience that this approach produces some lively arguments.6 pages, 1 figureGeneral PhysicsPhysics Educationtext