Blog – tutorials, notes, videos, and commentary. [migration of content in progress]

For my personal blog, mostly DIY, construction, and food, go to Baubilt.com.

  • Finding Content on This Site

    Most content here is a WordPress “post.” The exceptions are books and published articles, which are listed on dedicated pages you access directly via the main navigation menu. You can probably find the content you are looking for by searching using keywords. I’ve tagged most posts so that the search should work pretty well.

  • Digital Darwinism: Steering the Evolution of Artificial Life in Sociotechnical Systems

    Digital Darwinism: Steering the Evolution of Artificial Life in Sociotechnical Systems

    Karl T. UlrichThe Wharton SchoolApril 27, 2026 PDF and full text below

  • The Satoshi Overhang: Why the Bear Case is Bounded

    The Satoshi Overhang: Why the Bear Case is Bounded

    Karl T. UlrichThe Wharton SchoolUniversity of Pennsylvania April 15, 2026 PDF (with download link beneath viewer) and full text below.

  • Minimum Spatial Housing Requirements for Human Flourishing

    Minimum Spatial Housing Requirements for Human Flourishing

    This study establishes evidence-based minimum internal floor areas essential for long-term residential use across various household types. Findings reveal that units below 30 square metres for single occupants and 45 square metres for couples correlate with decreased satisfaction and higher turnover rates. Technical minimums of 30, 45, and 60 square metres are proposed to ensure…