2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55101Electromagnetic field is considered in the framework of Clifford algebra $\C_2$ over a field of complex numbers. It is shown here that a modulo 2 periodicity of complex Clifford algebras may be connected with electromagnetic field.10 pages, LatexHigh Energy Physics - Theorytext