A growing collection
Small interactive explanations for ideas worth understanding—built to help you see the moving parts, try them yourself, and leave with a useful mental model.
Choose a learning path01
A guided sequence for questions that are bigger than a single lesson.
Path 001
Start with charge itself, follow energy through a circuit, and finish at the power grid.
Explore the path02
Each lesson is a self-contained space to play with one idea.
Circuits · 12 min
Build an intuition for voltage, current, resistance, Ohm’s law, and power—then test it in a live circuit.
Start lessonHow lessons work
03
Some things only click when you can touch them. This is a workshop for those things: one concept, one focused page, and just enough interaction to make the underlying idea visible.