Media type: E-Article Title: Flow in an hourglass : particle friction and stiffness matter Contributor: Pongó, Tivadar [Author]; Stiga, Viktória [Author]; Török, János [Author]; Lévay, Sára [Author]; Szabó, Balázs [Author]; Stannarius, Ralf [Author]; Hidalgo, Raúl Cruz [Author]; Börzsönyi, Tamás [Author] Published: 2021 Published in: New journal of physics ; Volume 23(2021), article 023001, 17 Seiten Language: English DOI: 10.1088/1367-2630/abddf5 Identifier: Origination: Footnote: Access State: Open Access