See how things really work

Interactive, layer-by-layer diagrams of the machines, systems and physics behind everyday life — built for curious minds.

How Machines Work

Cutaway explainers of engines, pumps, valves and home equipment, part by part.

How Systems Work

Business, market and IT models broken into simple, followable flows.

Physics Principles

The fluid, thermal and mechanical principles that power the machines above.

Interactive Simulators

Change the inputs and watch pressure, flow and temperature respond.

Small puzzles and quizzes built on the same diagrams as the explainers.

SVG Diagram Packs

Editable cutaway and flow diagrams for makers, teachers and students.

How we design and animate educational SVG diagrams, step by step.