Learn AI and tech basics by doing

Short, hands-on lessons for people who don't work in tech. Each one teaches a single idea with something you can poke at, then checks it with a few quick questions. No sign-up needed.

Tech and AI words, one module at a time

1. 1

   Module 1: How the web works

   Website, Browser, URL, Domain name, DNS, Hosting, Server, HTTP and HTTPS

2. 2

   Module 2: What you see: frontend, UI, UX

   Frontend, UI, UX, HTML, CSS, JavaScript, Responsive design, Component

3. 3

   Module 3: What you don't see: backend and data

   Backend, Database, Table, row and column, API, Authentication, Storage, Server function

4. 5

   Module 5: How AI works

   AI, LLM, AI model, Prompt, System prompt, Context window, Token, Hallucination, AI agent, Tool use, MCP, Skill, RAG, API key