Education & Skills

Mastering Historical Skills for a Modern World

Explore interactive tools designed to teach classical skills, from historical cryptography to mechanical calculation methods.

Vigenère Cipher Disk

Live Now

Encrypt and decrypt messages using the "le chiffre indéchiffrable" — a polyalphabetic substitution cipher based on Blaise de Vigenère's 1586 treatise.

Historical Logic 1586 Treatise Low Effort

User Intent: "How does a Vigenère cipher work?"

Vernier Caliper Simulator

Live Now

Master the 1631 Vernier scale. Align the secondary grid with the main ruler to achieve high-precision measurements.

Measurement Machining Low Effort

User Intent: "How to read a vernier caliper?"

Foucault Pendulum Timer

Live Now

Calculate the rotation rate of a Foucault pendulum based on your latitude. Visualize the 1851 proof of Earth's rotation.

Physics Geophysics Low Effort

User Intent: "How fast does the earth rotate under me?"

Semaphore Flag Translator

Live Now

Convert text into maritime semaphore flag positions. Interactive visual training tool based on 19th-century standards.

Maritime History Medium Effort

User Intent: "How to signal letters with flags?"

Morse Code Trainer

Coming Soon

Interactive visual and audio trainer for memorizing Morse code patterns using 1899 telegraphy manuals.

Historical Logic Telegraphy Medium Effort

User Intent: "Learn Morse code interactive"