2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/87682The outbreak of spontaneous order in matter results from symmetry breaking. How does a system change its collective organisation ? How does it break its own symmetry ? That are the questions which are answered using a metaphoric world of shirts and colors.14 pages, latex, 4 drawings and 2 figures not included; in frenchPopular PhysicsAdaptation and Self-Organizing SystemsCondensed MatterPhysics EducationBehind the shirts, is symmetrytext