Cognitive Husbandry · interactive companion

About this companion

An interactive companion to the Cognitive Husbandry series. After the Intake, every resident of New Tripoli wakes into a vast catalogue of sims — worlds to live in, at whatever speed they choose. This site makes that catalogue browsable and pairs it with working instruments that let you operate the real ideas underneath the fiction.

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What's inside

Three kinds of thing

The catalogue mixes described worlds with tools you can actually drive. They fall into three buckets.

Instruments

Interactive tools that compute the actual numbers — time dilation, feasibility, the bootstrap tech-tree, the molecular assembler, and more. The math behind the world, made operable.

Sims

The in-world catalogue itself: described worlds from the series — Jurassic, the Sovereign Sea Platform, Thalassa's Rise, the Azure Janus chain — presented as the residents would browse them.

Demos

Short, focused explainers of the core mechanics — quick reads that unpack a single idea before you dive into the full instruments.

How to read it

The three labels

Every card and tool is tagged so you always know what kind of claim you're looking at.

In-world canon

Figures and rules taken directly from the series bible — the established facts of New Tripoli.

Speculative feasibility

Real-world physics and engineering estimates, labelled as such — what the science actually says, separate from the fiction.

Narrative sim

A described in-world experience from the catalogue, not a playable build.

Ground rules

How it runs

Everything here runs entirely in your browser. Nothing you do is recorded or sent anywhere: there is no analytics, no account, no server round-trip. The only outbound request is to a font CDN for the typefaces; disable it and the pages still work.

Code MIT · Prose CC BY 4.0 · A fan/companion work for the Cognitive Husbandry series · No PII · No runtime network calls (fonts excepted).