D. Miller, and E. Fredkin. (2005)cite arxiv:nlin/0501022Comment: 24 pages, 8 figures; accepted for publication in proceedings of ACM Computing Frontiers 2005 (CF'05), special session: 1st Int'l Workshop on Reversible Computing. website: http://www.andrew.cmu.edu/user/danbmil/salt/.
B. Whitworth. (2008)cite arxiv:0801.0337Comment: The argument that virtual reality information simulations may be relevant to modern physics theory is a little outside the mainstream, but even people in Physics now consider this possibility, e.g. Svozil.