1. Fieldbook 05

    Growing Metal: The Phytomining Opportunity

    A founder's case for producing nickel with plants - what field trials prove, where the economics break, and the smallest business worth testing.

  2. Fieldbook 04

    Clean, Limitless Energy: Superhot Geothermal

    A founder's case for turning the planet's deep heat into clean, always-on electricity - and the proof required before it deserves scale.

  3. Fieldbook 03

    The AI Inference Market

    A strategic Fieldbook on the physical bottlenecks, software fault lines, and four possible blue-ocean wedges in AI inference.

  4. Fieldbook 02

    The Trucking Finance OS Opportunity

    An operator-first fieldbook on freight receivables, AI collections, factoring, and the narrow wedge hiding inside a trucking neobank idea.

  5. Fieldbook 01

    Airbnb for AI Compute

    An operator-first fieldbook on Darkbloom, heterogeneous hardware, cybercafés, and the next inference layer.