Day 1: What is AI, really? — LearnAI

Today's idea

When you ask an AI something, it can feel as if someone on the other side is sitting there typing. Is that really what's happening? (tap to see)

AI is not a place where you talk directly to a person. Nobody is sitting on the other side typing. It is software that reads the question you wrote and creates an answer on its own.

A question goes in, the AI processes it, an answer comes back

Imagine someone in your neighbourhood who has spent their whole life reading countless books, newspapers and articles. Whatever you ask them, they give you an answer straight away — because somewhere, at some point, they have read about it. AI is a lot like that.

But there is one big difference. This "well-read person" isn't a person at all — it is a computer program. It learned by reading millions of books, articles and websites, and from them it learned how people usually talk when they answer a question. So when you ask it something, it creates an answer right away — just as a person would.

Here is the important part to remember: AI is not a place where you talk directly to a person. Nobody is sitting on the other side typing. It is software that reads the question you wrote and creates an answer on its own — the same way a calculator does sums, AI works with language.

Using AI is about as easy as sending a message on Facebook or searching on YouTube, which you may already do every day. The only difference is this: here you type a question, and it immediately writes back an answer in everyday language.

There is nothing to be afraid of. It isn't magic, and you don't need to understand any complicated science. You only need to know this — it is a tool that works with language. Today we meet it for the first time.

Try it yourself Time: 3 minutes

1.Open the browser on your phone and type gemini.google.com (or open the Gemini app).
2.Sign in with your Gmail account — the same one you use for YouTube or the Play Store will work. (For children and teenagers: ChatGPT requires users to be at least 13, and under-18s need a parent's permission; Google also places limits on children's accounts. When young people use it, an adult should be nearby.)
3.Tap the text box at the bottom and send this question exactly as written:

Explain to me in very simple words what AI actually is. Assume this is the first time I'm hearing anything about it.
4.Read the answer carefully. It's fine if you don't understand everything at once — read it again.
5.If you like, ask a follow-up: "Can you explain it even more simply?"

Do it together Time: 5 minutes

With anyone — a child, a parent, a friend or a colleague.

Sit next to the person you're doing this with today and ask them — not as if you're giving advice, but out of curiosity:

"What do you think AI actually is? Have you heard anything about it around you or online?"

Listen carefully to their answer. Then tell them, in your own words, what you learned today. They will see that you're learning something new, and you'll both become partners in learning together — not just one person teaching the other.

We did this together

Today's key point

AI isn't a person, but it understands human language and answers in that same language — once you understand this, half of your doubts about AI simply disappear.

Check yourself

Two quick questions from today's lesson.

1. What is AI, really?

Correct answer: Software that reads text and creates answers on its own — AI is not a person. It is software that reads a question and creates an answer on its own.

2. How did AI learn to answer?

Correct answer: By reading millions of books, articles and websites — AI learned how people usually answer by reading millions of books and articles.