What Is AI — How It Actually Works

You ask an AI a question, and it gives you a perfect answer. But what if that answer is a complete lie? AI tools can sound incredibly smart and confident, even when they are making things up. They don't know the difference between fact and fiction. Understanding this is the key to using AI without getting fooled by a machine that just wants to please you.

Artificial intelligence isn't magic, and it doesn't “think” like a person. Think of it like someone who has read every book and website ever written, but doesn't actually understand any of it. It's a master of patterns, not meaning.Most AI you interact with is a Large Language Model (LLM). It works by predicting the next most likely word in a sentence, based on the billions of examples it was trained on. It’s just very sophisticated pattern completion.This leads to a big problem:AI can be confidently wrong. This is called a hallucination. The AI generates something that sounds perfectly reasonable but is completely made up. It doesn't know it's wrong because it doesn't “know” anything.It inherits human biases. The data used to train AI was made by people. That means it can contain mistakes...

Ravi (14) had a school project to write a biography of his grandfather. To get started, he asked an AI chatbot: “Write a short biography of my grandfather.” The AI produced a detailed, convincing story. It mentioned the university his grandfather attended and an award he supposedly won for community service. Ravi was impressed and showed it to his grandfather. His grandfather was confused. “I never went to that university,” he said, “and I’ve never heard of that award.” The AI had invented facts that sounded real but were completely false. Ravi realized that an AI can write a fluent, confident story that has nothing to do with the truth.