New perspectives onto the metal–to–non-metal transition in expanded liquid metals W.-C. Pilgrim, D. Szubrin, F. Demmel, A. Orecchini, S. Rols, A. Laloni and A. De Francesco EPL, 122 3 (2018) 36005 Published online: 28 June 2018 DOI: 10.1209/0295-5075/122/36005