LUNTHRA

Catalog 003 — Spectra

Read by its light.

Hydrogen gives off four wavelengths and nothing else. That signature is how you find it nine billion light years away.

Balmer series · H I

656.3 · 486.1 · 434.0 · 410.2 nm

Pick what it is. Then what it’s about.

Two questions instead of thirty series names. Both are optional, and they combine.

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Lattice / Wall art

Halite is rock salt — sodium and chlorine alternating in a cubic lattice, every ion locked at right angles to its…

Lattice

A Penrose tiling covers the plane completely and never repeats itself — two rhombus shapes, fitted by strict matching…

Lattice

Scatter a handful of seed points on a plane and give every other location to whichever seed sits nearest. The borders…

Resonance / Hoodies

Beethoven's Moonlight, seen — the opening rendered as its waveform, amplitude over time. Printed front-only on a…

Lattice / Hoodies

A Penrose tiling — two rhombi fitted edge to edge by strict matching rules, building five-fold symmetry that never once…

Lattice / Hoodies

Graphene's hexagonal lattice — carbon, one atom thick. Printed front-only on a heavyweight black Lane Seven French…

Resonance / Hoodies

Für Elise as a waveform — the melody traced in amplitude. Printed front-only on a heavyweight black Lane Seven French…

Equilibrium

The most studied game there is. Two players, two choices — and a structure where each one's best move makes both worse…

Equilibrium

The idea that won a Nobel: a point where no player can do better by changing course alone. Every strategy a best reply…

Equilibrium

Cooperate first. Then do what they did last. Forgive the moment they return. Three rules that won Axelrod's tournament…

Equilibrium

A game in extensive form: who moves, when, and what they know. Solve it backward — each player looks ahead and reasons…

Equilibrium

Four two-by-two games that explain a surprising amount of the world: the Prisoner's Dilemma, the Stag Hunt, Chicken…

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