Machine-readable catalogue of fond 555 (K.E. Tsiolkovsky), Archive of the Russian Academy of Sciences: all 2,019 files, 51,008 scans, plus the retrieval pipeline.
Make your own cardboard model astrolabe
my own paper for history of math and corresponding agentic workflow
My notes on natural history, science, and technology.
口述史录音转写稿 → 忠实整理稿的工具箱（Claude Skill）：去口语化 Pass1 + 对抗式忠实度质量门，存真优先，数据全程本地不外传
History Survival Guide is pulp-era inspired STEM and history blog that explores different engineer and scientific concepts with practical information about how to recreate by hand. This repo includes the relevant code or pngs behind any given guidebook page
Machine-readable text for historical editions of the Encyclopedia Britannica
Interactive critical edition and discovery lab for Einstein's four 1905 Annalen der Physik papers: pinned facsimiles, reviewed German text, a new aligned English translation, explanations at every depth, live semantic equations, and FrankenSim-backed physics instruments.
A web interface for computer vision demos
Interactive 3D simulator of Leibniz's stepped reckoner, the first mechanical calculator to add, subtract, multiply and divide. Lessons in 10 languages, in the browser.
Datasets about networks and the careers of women scientists in the collections of the American Philosophical Society.
The 1958 Alco Valve test of the Russell coil: verbatim primary sources, engineering drawings, and a checkable provenance chain.
A Python turtle simulation of planet movements to study Kepler's laws and how they emerge from Newton's law of gravity, for high school or lower level undergraduate students. Also, slides on astronomy and on methodology of science.
This digital history project aims to understand how generative AI can be used to both communicate and distort historical knowledge. More importantly, this project seeks to enable historians to directly probe the capacities of advanced AIs and gauge their capabilities for themselves.
An open educational and research project exploring scientific measurement, inference, artificial intelligence, and reproducible research through naked-eye astronomy.
The sacred timeline is a semantic library and research workspace for ingesting document collections, extracting text, math, citations, and structure, then projecting them into timeline, graph, atlas, and lab views. It links science-history curation with indexing, OCR workflows and operator review tools.
An interactive exploration through the history of Calculus, from Bablyon, through Newton and Leibniz to Robinson.
Famous table of chord lengths according to Ptolemy's Almagest converted into decimal values and calculated in comparison using the sine function.
Foundational papers typeset on a single printable poster: the Bitcoin whitepaper, RFCs, Einstein, Darwin, patents, declarations and more. Free vector PDFs in 4 themes, ISO and US formats.
measuring whether the 'ripeness' of a scientific field can predict breakthroughs
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