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Tim Hutton<p>Great talk by <span class="h-card" translate="no"><a href="https://mstdn.science/@hirokisayama" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>hirokisayama</span></a></span> about the history of artificial life.<br><a href="https://www.youtube.com/watch?v=8KDwmANo3a8" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=8KDwmANo3a</span><span class="invisible">8</span></a></p><p><a href="https://mathstodon.xyz/tags/ArtificialLife" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ArtificialLife</span></a> <a href="https://mathstodon.xyz/tags/ArtificialChemistry" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ArtificialChemistry</span></a> <a href="https://mathstodon.xyz/tags/CellularAutomata" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CellularAutomata</span></a> <a href="https://mathstodon.xyz/tags/Evolution" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Evolution</span></a></p>
Tim Hutton<p>Someone said to me at an Artificial Life conference: "You *have* to read this book, it's about what you do!" (I got into Artificial Chemistry after this book came out but without having read it yet.)</p><p><span class="h-card" translate="no"><a href="https://mathstodon.xyz/@gregeganSF" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>gregeganSF</span></a></span> Was there a paper on Artificial Chemistry that inspired this book?</p><p><a href="https://mathstodon.xyz/tags/ArtificialLife" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ArtificialLife</span></a> <a href="https://mathstodon.xyz/tags/ArtificialChemistry" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ArtificialChemistry</span></a></p>
Tim Hutton<p>One possibility for reducing the computational cost of simulating the long enzymes is to allow 'compaction'. We change the physics of the world to permit multiple atoms to occupy the same square, under some conditions. For movement we can then treat the atoms in a square as a single entity.</p><p>Left shows a cell with the original physics. Right shows the same cell with compaction allowed.</p><p><a href="https://mathstodon.xyz/tags/ArtificialChemistry" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ArtificialChemistry</span></a> <a href="https://mathstodon.xyz/tags/ArtificialLife" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ArtificialLife</span></a></p>
Tim Hutton<p>Previous papers showed that it is possible to wrap this whole assembly into a cell that can copy itself and compete for resources with others. <br><a href="https://www.youtube.com/watch?v=VrTM6wYl4Us" rel="nofollow noopener" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=VrTM6wYl4U</span><span class="invisible">s</span></a></p><p>The challenge now is to find a way to simulate this kind of system fast enough that we can watch it evolve.</p><p><a href="https://mathstodon.xyz/tags/ArtificialChemistry" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ArtificialChemistry</span></a> <a href="https://mathstodon.xyz/tags/ArtificialLife" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ArtificialLife</span></a></p>