AREA 01 / FOUNDATIONS
Technology
Understand the systems and ideas behind the software, services, and tools you use every day.
Explore TechnologyFree learning for college students
Understand the technology shaping your world.
Clear explanations, connected ideas, and useful written learning in Technology and AI / Machine Learning. Start with a question. Leave understanding more.
Free to read No account needed Built for understanding
Start with a subject
Two worlds to explore.
A lot to understand.
Begin where your curiosity takes you. Each area opens into connected topics, practical ideas, and more ways to learn.
AREA 02 / INTELLIGENCE
AI & Machine Learning
Make sense of how machines learn patterns, how generative AI works, and where these systems fit.
Explore AI & MLLearn one useful thing
Start with a question.
Leave with an answer.
Focused explanations you can read, understand, and build on—without needing a technical background first.
How does the web work?
Follow a page request from your browser to a server and back again.
Understand the idea
What is an API?
Understand the contract that lets two pieces of software work together.
Understand the idea
What is machine learning?
See how a computer uses examples to learn patterns and make predictions.
Understand the idea
Ideas connect
Not sure what to learn next?
Follow a light, optional route through related ideas. Each step stands on its own; together, they make a bigger picture.
3 connected ideas
Technology
Follow a request across the web
Trace how a browser, a server, an API, and stored information work together to deliver something useful.
01How does the web work?02What is an API?03What is a database?
Follow this learning path 3 connected ideas
AI & Machine Learning
From learning patterns to generative AI
Build a clear mental model of machine learning, then connect it to language models and generated content.
01What is machine learning?02How do large language models generate text?03What is generative AI?
Follow this learning path When you want to go broader
Go deeper with a free LLM course.
Move from Python and transformer fundamentals to retrieval, evaluation, and deploying an LLM-powered application.
A better way to explore
Knowledge is more useful when it connects.
More than a definition
Get the context, examples, and practical meaning behind a concept—not only the vocabulary.
Ideas, not islands
See how concepts build on one another, and choose a sensible next step when you are ready.
Learn at your own pace
Drop in for one clear answer or stay to explore. Useful learning should not need a sign-up.