This was published after he died: his sort of unfinished notes on self-reproducing machines, what it takes to get the machines sort of jump-started to where they begin to reproduce.
To je bilo objavljeno nakon njegove smrti: njegove nedovršene bilješke o samoreplicirajućim strojevima. Što treba učiniti da te strojeve dovedemo do točke kad se počnu sami razmnožavati.