Okay well you can 'simulate' the GoL forward and see what it's going to be in a few fixed number of generations. That's basically how you do anything with thes

Okay well you can 'simulate' the GoL forward and see what it's going to be in a few fixed number of generations. That's basically how you do anything with these undecidable systems. I'm not clear on how he got some state that looks like a Mona Lisa when most or almost all states that look like a Mona Lisa are Garden of Eden states, and then from there worked backwards (I'm not clear on if/how you can go backwards in GoL).