"Version: 20170401"--Title page verso."A Morgan & Claypool publication as part of IOP Concise Physics"--Title page verso.Includes bibliographical references.Preface -- 1. Symmetry, physical laws, and electric dipole moments -- 1.1. Introduction -- 1.2. Force field symmetries -- 1.3. Why measure EDMs, which, and how?2. Some essential experiments -- 2.1. Neutron EDM measurements -- 2.2. Penning t…