“Physicists have devised a new experiment to test if the universe is a computer” → http://www.huffingtonpost.co.uk/2012/12/12/physicists-universe-simulation-test-university-of-washington-matrix_n_2282745.html?utm_hp_ref=fb&src=sp&comm_ref=false

“Constraints on the Universe as a Numerical Simulation” arXiv:1210.1847v2 [hep-ph] 9 Nov 2012

digital physics and physical simulation

etc+