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    <title>Reoccupation on Programmer.ie: Modern AI programming</title>
    <link>http://programmer.ie/tags/reoccupation/</link>
    <description>Recent content in Reoccupation on Programmer.ie: Modern AI programming</description>
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    <lastBuildDate>Wed, 12 Aug 2026 18:49:00 +0100</lastBuildDate>
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      <title>20: What Happens When the Crystal Can Lose Material?</title>
      <link>http://programmer.ie/books/digital-life/20-material-loss/</link>
      <pubDate>Wed, 12 Aug 2026 18:49:00 +0100</pubDate>
      <guid>http://programmer.ie/books/digital-life/20-material-loss/</guid>
      <description>&lt;p&gt;Until now, the crystal had lived in an impossible world.&lt;/p&gt;&#xA;&lt;p&gt;Once a cell became occupied, it stayed occupied.&lt;/p&gt;&#xA;&lt;p&gt;Forever.&lt;/p&gt;&#xA;&lt;p&gt;The frontier moved outward.&lt;/p&gt;&#xA;&lt;p&gt;Old material accumulated behind it.&lt;/p&gt;&#xA;&lt;p&gt;Nothing eroded.&lt;/p&gt;&#xA;&lt;p&gt;Nothing vanished.&lt;/p&gt;&#xA;&lt;p&gt;Nothing exposed the interior again.&lt;/p&gt;&#xA;&lt;p&gt;That assumption had quietly shaped almost every result since Chapter 11.&lt;/p&gt;&#xA;&lt;p&gt;So Chapter 20 removed it.&lt;/p&gt;&#xA;&lt;p&gt;We added one rule:&lt;/p&gt;&#xA;&lt;div class=&#34;highlight&#34;&gt;&lt;pre tabindex=&#34;0&#34; style=&#34;color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;&#34;&gt;&lt;code class=&#34;language-text&#34; data-lang=&#34;text&#34;&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;occupied&#xA;&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;↓&#xA;&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;empty&#xA;&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;with some small probability.&lt;/p&gt;&#xA;&lt;p&gt;Nothing else.&lt;/p&gt;&#xA;&lt;p&gt;No repair mechanism.&lt;/p&gt;&#xA;&lt;p&gt;No resource system.&lt;/p&gt;</description>
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