Day 01 — The Wave Is a Lecture

Ten minutes. One woodblock print, one physicist with a flower, one question.

Look

Hokusai's The Great Wave off Kanagawa — a towering wave with clawed foam above small boats, Mount Fuji in the distance — **The Great Wave off Kanagawa.** Hokusai, around 1831. Look at the foam at the crest — it breaks into claw-like fractal fingers. Hokusai painted the turbulence accurately enough that physicists still write papers about this print. He got it right by *looking*, two centuries before the math existed to check him.

This course has one premise: physics is not in the textbook. It’s in the water. The textbook is just the field guide.

Every wave that has ever rolled into San Diego is running the same program — energy handed from wind to water somewhere near Antarctica, traveling six thousand miles in orderly trains, slowing as it feels the bottom, standing up, and spending everything it carried in one five-second performance. Forces, energy, momentum: the whole syllabus, arriving on schedule, for free, forever.

The skill this course trains first is Hokusai’s skill: looking hard enough at moving things to see what they’re actually doing. The equations come after — and they’ll feel less like homework and more like finally getting the lyrics to a song you’ve hummed for years.

Watch

A physicist, a flower, and one minute that sets the terms for the whole course — does knowing how it works add beauty, or subtract it?

Carry the question

For the rest of today:

Watch one thing move — anything — and ask: what is pushing it, and what is slowing it down?

A door swinging shut counts. No writing required.

That’s it. Day 1 is done.

If you’re still curious

Three doors. Open one, or none — they’ll be here tomorrow too.

Read how a wave actually works. Wind waves, on Wikipedia — skim to the diagram of circular water motion. The water doesn’t travel; the energy does. That fact alone will change how you watch the ocean.

Zoom all the way out. Powers of Ten (1977) — mechanics holds at every scale for forty orders of magnitude. Nine minutes.

Ask someone. Ask anyone who surfs, skates, or rides: “What does your body know about physics that you couldn’t write down?” That gap — between knowing and writing it down — is exactly what this course closes.