Patterns formed by chains of magnetic beads Danilo S. Borges, Hans J. Herrmann, Humberto A. Carmona, José Soares Andrade Jr. and Ascânio D. Araújo EPJ Web Conf., 249 (2021) 15004 Published online: 07 June 2021 DOI: 10.1051/epjconf/202124915004