Catalogue record · github
Interactive 3D map of the human tech tree, from the first stone tools to 2024: technologies stacked as a tower of eras in three.js, with prerequisite and relation edges, hover cards and a guided camera tour. All data lives in plain JSON, so adding a technology, era or domain is one pull request away.
Seen on github · last checked 2026-09-28.
The teardown — how it actually charges, which mechanism was found, and the seam worth taking — is in the daily letter. This page carries the record and the signals so search engines and link previews have something real to read; the judgement stays with the readers who asked for it.
Get the daily letterThe same record sits in the full catalogue, where every entry can be searched and filtered by the signals above.