Ioannis Contopoulos is a Senior Researcher at the Academy of Athens. His field of research is magnetohydrodynamics with focus on astrophysical jets and winds. Denise Gabuzda is a Senior Lecturer at the Physics Department, University College Cork. She is working on AGN jets, searching for observational evidence for the presence of helical jet magnetic fields. Together with Ioannis Contopoulos e…