History
Mata Hari: the woman behind the spy legend
From Margaretha Zelle to a European celebrity and a wartime conviction: the life behind one of history’s most persistent spy legends.
Read the storyPut an idea into practice
Read it. Build it. Understand it.
Small projects in Python and TypeScript, plus a Linux troubleshooting field guide.
Explore practical guides ↗Ideas worth your attention
Latest perspectives
Technology. Context. Perspective.
Japanese History
Reading the Meiji transition through Japan’s archives
Follow the difference between proposals, institutions, and outcomes using the National Diet Library’s document collection.
Japanese History
Edo society beyond the samurai: reading cities, art, and exchange
Use objects and institutional context to see more than a warrior-centered picture of Tokugawa Japan.
Japanese History
Japanese history: a starting map from Jomon to Meiji
Follow changes in evidence, government, and culture without treating every period as a single national story.
Prehistory
How archaeologists date prehistoric evidence
Learn to separate a dated sample from an artifact, recognize calibration, and read uncertainty without turning it into false precision.
Prehistory
Prehistory in perspective: deep time, early humans, and the first tools
A grounded starting point for prehistoric history, with a scale exercise and a distinction between fossils and human artifacts.
Tutorials & Projects
Diagnose a Linux website without changing its configuration
Trace a failure from the public URL to listening sockets, services, containers, and logs.