An open shelf of useful ideas

Curiosity looks good on you.

Friendly, illustrated guides to the real machinery behind our world. Start at the beginning. Follow the questions.

The library

01 / Growing

We start from zero, explain each new term, and show what it does on a real machine. For kids, and for adults starting fresh.

Still on the workbench

Databases, SQL, computer networks, control systems... one good question at a time.