◆ Interactive research · client-side WASM

HOXY

Field notes in optics & light

Interactive notebooks where every figure is live — drag, tune, and re-run in the browser. Built from first principles; the kernel runs on your machine.

FIG №00 + RUNNABLE
F F′
so · f 78 · h · M

FIG №00 — thin-lens ray construction. drag the object tip → the image slides along the axis.

SPECIMEN SHELF24 FIG
FIG №01 + RUNNABLE

2026 · Foundations · 24 figures

A LITTLE OPTICS

Lenses, rays, and aberrations, built from first principles. Drag the aperture, move the object, watch the image slide along the axis.

Runnable →
Drafting
FIG №02

2026 · Sensors

THE COLOUR OF NOISE

How a sensor invents colour it never saw — demosaicing, gain, and grain.

— Drafting
FIG №03

2026 · Waves

DIFFRACTION, GENTLY

Why a small hole spreads light — and what that costs a lens.

— Drafting
HOXY · WASM · BOOTING · FIG 24 · 02 DRAFTING optics.rk4 · ready