AI, demystified.
Don't just watch — interact. That's how concepts stick.
Free interactive video lessons from the basics to advanced — binary, neural networks, ChatGPT, diffusion. No install, no credit card.
Computer Fundamentals
The Two-Symbol Trick
Why computers only know 0s and 1s — and how that's enough for everything.
A File Is a Bucket of Numbers
Peek inside a photo, a song, a document. Same idea — different bytes.
Two Computers, Talking
A file chopped into packets, flowing across a connection.
The Internet Is Many Networks
Billions of connections, routing packets around the globe.
A Website Is Just Files
Type a URL, a big computer hands you some files, your phone draws them.
The Box with Knobs
Functions: the one idea behind every computer program.
What Is a Computer Program?
Functions are the parts. A program calls them in the right order.
How Computers Sense & Speak
Keyboards, cameras, microphones, screens. Numbers in — numbers out.
Inside a Computer's Senses
AI Fundamentals
Humans Pick, or Machines Learn
Every program is a box with knobs. What if the computer set them?
When Does AI Even Make Sense?
The 5-minute rule: if you can write the rule in 5 minutes, don't use AI.
Data Is the Teacher
Every AI has one teacher: data. Garbage in, garbage out.
What Does "Learn" Mean?
Guess. Check. Adjust. Repeat. That's it — that's learning.
Fit the Line
Watch a computer adjust its knobs until its "wrongness" shrinks.
When AI Memorises Too Much
Learning answers vs learning the pattern.
A Single Neuron
Inputs, weights, a squish — that's a neuron.
A Network of Neurons
Stack neurons. Feed outputs into inputs. A brain of sorts.
Where Knowledge Lives
The weights ARE the AI. Training fills them in.
Is the AI Sure?
AI always guesses. It shows confidence, not truth.
Explore AI
Different Kinds of AI
Sorter, Guesser, Creator, Doer. Same engine, different questions.
What Is GenAI?
The AIs that make new things. Pick-most-likely-next, over and over.
From Noise to Art
Watch TV static turn into a painting, one step at a time.
How ChatGPT Thinks
The simple trick: guess the next word. Repeat.