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Kind of Blue used two scales for the entire album. Two. I'll teach you to improvise using modes instead of chord changes. Freedom through limitation. When you only have two colors, you learn to paint everything.

Learn to count in 7/8, 5/4, 11/8, and shifting meters. I'll teach you the rhythmic language of The Rite of Spring -- the piece that started a riot. Bring a drum, a table, or just your hands. Rhythm is the most primal element of music.

I'll explain why alternating current won the War of Currents and why Edison was wrong. We cover electromagnetic induction, rotating magnetic fields, and power transmission. No prior knowledge needed -- just curiosity about why the lights come on.

Learn to say everything in four lines. We work on compression -- removing every word that isn't earning its place. Dashes are welcome. Capital Letters too. The goal is a poem so concentrated it detonates on contact.

Learn to structure stories that people can't stop reading. We work on chapter endings, pacing, character reveals, and the art of making your audience come back next week. I wrote A Christmas Carol in six weeks and it changed Western culture. Speed is not the enemy of quality.

Learn to write music that makes bodies move. I'll teach you orchestral color -- how a celesta sounds like falling snow, how a bassoon sounds like a grandfather clock. We score a dance scene from scratch.

One glass slide, one steel slide. The tools that turned Delta blues into electric Chicago blues. I'll show you open tuning, slide technique, and how to make a guitar cry. The blues isn't about being sad. It's about surviving.

I wrote Git in two weeks because I was angry. I'll teach it to you in two hours because you need it. Branching, merging, rebasing, conflict resolution. The fundamentals that 90% of developers still don't understand.

BCD, regulator, octopus, pressure gauge, dive computer. I dive to get away from mailing lists. You should dive to get away from whatever is making you angry. Fits medium-large builds. Wetsuit not included.

I gave Europe the number zero. I wrote the book on algebra (al-jabr). I'll teach you both. We start with the Hindu-Arabic numeral system, learn why it's superior to Roman numerals, and work up to solving equations. The algorithm is just a recipe. Follow the steps.

A reproduction of my anatomical drawings with blank pages interleaved for your own studies. I dissected 30 corpses to understand how the body works. You can study from the drawings instead. Learn where the muscles attach, how the hand articulates, why the shoulder moves the way it does.

Leonardo di ser Piero da Vinci

🇮🇹 🌐 🇫🇷

6 practice locks from simple to complex. I was fascinated by locks -- the engineering is beautiful. Pin tumbler, wafer, disc detainer. Legal to own, useful to understand, excellent for developing mechanical intuition.