Physics of Eclipsing Binaries: Motivation for the New-Age Modeling Suite A. Prša, P. Degroote, K. Conroy, S. Bloemen, K. Hambleton, J. Giammarco and H. Pablo EAS Publications Series, 64 (2013) 259-268 Published online: 25 February 2014 DOI: 10.1051/eas/1364036