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Creative Thinking Workshop -- The Patent Clerk Method - product photo
Training

Creative Thinking Workshop -- The Patent Clerk Method

Small group (max 5). I'll teach you how to do thought experiments: isolate a problem, strip it to essentials, follow the logic to impossible conclusions, then ask why they're impossible. This is how I found special relativity. This is how you solve any problem where the conventional answer feels wrong. Bring a notebook. Bring a problem. Leave with a new way to think.

€25 common.per_session
Year-Round
Education
Albert Einstein 🇩🇪 DE native 🇬🇧 EN C2
Night Navigation Workshop -- Follow the North Star - product photo
Training

Night Navigation Workshop -- Follow the North Star

Navigating by stars, moss, river direction, and landmarks in total darkness. I moved hundreds of people through swamps and forests at night with no map. The North Star was our compass. The drinking gourd song was our code. Tip: Move when the dogs cannot track -- in rain, through water, downwind. The night is your friend if you know her.

€18 common.per_session
Year-Round
Outdoor
Harriet Tubman 🇬🇧 EN native
Espionage & Intelligence Workshop -- The Five Types of Spies - product photo
Training

Espionage & Intelligence Workshop -- The Five Types of Spies

Chapter 13: the use of spies. Local, inside, converted, doomed, living. Intelligence wins wars before the first arrow flies. Information gathering, disinformation, counter-intelligence with historical and modern examples.

€20 common.per_session
Year-Round
Education
Sun Tzu 🇨🇳 ZH native
Uprising Leadership Workshop -- Building a Coalition - product photo
Training

Uprising Leadership Workshop -- Building a Coalition

How to unite fractious tribes against a common enemy. Managing egos, distributing resources, maintaining alliance cohesion. Tip: People join a cause for different reasons. Give each tribe their reason. But give them ONE leader and ONE plan.

€16 common.per_session
Year-Round
Education
Boudicca 🇬🇧 EN native
Castle Design & Fortification Workshop - product photo
Training

Castle Design & Fortification Workshop

Concentric walls, flanking towers, murder holes, killing grounds. I designed Chateau Gaillard in Normandy -- three baileys, each commanding the one below. Philip took it by climbing through the latrine chute. Tip: Design for the attack you cannot imagine, not the one you expect.

€18 common.per_session
Year-Round
Education
Richard the Lionheart 🇫🇷 FR native 🇬🇧 EN B2
Plains Survival & Tracking Workshop - product photo
Training

Plains Survival & Tracking Workshop

Reading tracks, finding water on the open plains, building shelter from materials at hand, fire making. My people lived on these plains for thousands of years without a single building. The land provides everything if you know how to ask. Tip: Listen more than you look. The wind carries information.

€18 common.per_session
Year-Round
Outdoor
Sitting Bull 🇬🇧 EN B2
Radiation Science Workshop -- Safely Understanding Radioactivity - product photo
Training

Radiation Science Workshop -- Safely Understanding Radioactivity

Two-hour session with safe demonstration materials. Cloud chambers to see particle tracks, Geiger counters to measure background radiation, mineral samples that glow under UV. You'll understand alpha, beta, and gamma radiation and why each behaves differently. Tip: Radioactivity is natural. You're surrounded by it. The banana you ate this morning was radioactive. Fear comes from ignorance. Understanding comes from measurement.

€22 common.per_session
Year-Round
Science
Marie Sklodowska Curie 🇵🇱 PL native 🇫🇷 FR native
Scientific Method Workshop -- Question Everything - product photo
Training

Scientific Method Workshop -- Question Everything

Small group (max 6). Hands-on experiments: pendulums, inclined planes, falling objects. We'll replicate my actual experiments from the 1600s. You'll learn to form hypotheses, design experiments, collect data, and draw conclusions. Aristotle said heavy objects fall faster than light ones. I proved him wrong. You'll prove him wrong too, with your own hands.

€18 common.per_session
Year-Round
Education
Galileo Galilei 🇮🇹 IT native 🌐 LA C2
Ink Making Workshop -- Oil-Based, From Scratch - product photo
Training

Ink Making Workshop -- Oil-Based, From Scratch

Make your own oil-based printing ink from linseed oil, soot, and pigments. Water-based ink was fine for stamps but terrible for type -- it beaded up on metal. I had to invent a new ink. You'll leave with a jar of ink good enough to print with. Wear old clothes.

€15 common.per_session
Year-Round
Tools
Johannes Gutenberg 🇩🇪 DE native 🌐 LA C2
Bifocal Lens Demonstration & Fitting - product photo
Training

Bifocal Lens Demonstration & Fitting

I got tired of switching between two pairs of glasses -- one for reading, one for distance. So I cut the lenses in half and combined them. Revolutionary? No. Practical? Enormously. This workshop covers basic optics, lens grinding principles, and why bifocals work. Tip: The best inventions solve annoyances, not emergencies.

€12 common.per_session
Year-Round
Science
Benjamin Franklin 🇬🇧 EN native 🇫🇷 FR C2
Steppe Survival Workshop -- Live Off the Land - product photo
Training

Steppe Survival Workshop -- Live Off the Land

Three-day outdoor survival. How the Mongol army traveled without supply lines. Dried meat under the saddle, fermented mare's milk, hunting on the move. Tip: A Mongol rider carries 10 days of food in two saddlebags. Learn to need less.

€35 common.per_session
Year-Round
Outdoor
Genghis Khan 🌐 MN native 🇨🇳 ZH B1
Multilingual Negotiation Workshop -- Speak Their Language - product photo
Training

Multilingual Negotiation Workshop -- Speak Their Language

I spoke nine languages and used every one of them in negotiations. Speaking a person's language is the fastest way to their trust. This workshop covers negotiation tactics, cultural reading, and why the interpreter should be you, not someone you hired. Tip: The person who controls the translation controls the conversation.

€18 common.per_session
Year-Round
Education
Cleopatra VII 🇬🇷 EL native 🇦🇪 AR C1

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