Tech & AI — Explained Simply
From why AI suddenly got so good to how the cloud actually works — clear, jargon-free explainers for anyone navigating the technology shaping our world.
Latest explainers
13 explainers
What Is Retrieval-Augmented Generation (RAG)? How It Works
Retrieval-augmented generation (RAG) lets AI look up trusted documents before it answers. Learn how RAG works, why it reduces errors, its limits…
What Is a Password Manager? How It Works and Is It Safe?
A password manager creates, stores and fills strong, unique passwords for every account. Learn how it works, how safe it is and…
ChatGPT vs Claude vs Gemini: How the Big AI Assistants Compare
ChatGPT vs Claude vs Gemini compared on plans, prices, features, strengths and privacy in late 2026, with a simple guide to picking…
What Is Two-Factor Authentication? How 2FA Protects Your Accounts
Two-factor authentication adds a second check, like a code or security key, when you sign in. Learn how 2FA works, which methods…
What Is Prompt Engineering? How to Write Better AI Prompts
Prompt engineering is the skill of writing instructions that get better results from AI tools. Learn the core techniques, examples, common mistakes…
What Is Generative AI? How It Works, Examples and Risks
Generative AI creates new text, images, audio, video and code from patterns in data. Learn how it works, common tools and uses,…
What Is Cloud Computing? Types, Examples and How It Works
Cloud computing lets you rent computing power, storage and software online instead of owning it. Learn how it works, the main types,…
What Is Phishing? How to Spot It and What to Do If You Click
Phishing is a scam that tricks you into handing over passwords, money or data through fake emails, texts or calls. Learn the…
What Are AI Hallucinations? Why AI Makes Things Up
AI chatbots sometimes state false things with total confidence. Learn why AI hallucinations happen, real cases where they caused harm, and how…
What Is Machine Learning? How Computers Learn From Data
Machine learning is how computers learn patterns from data instead of following hand-written rules. Learn how it works, the main types and…
What Is Agentic AI? How AI Agents Work, and Where They Fall Short
Agentic AI plans and carries out tasks instead of just answering questions. Learn how AI agents work, what they can do today,…
What Is a Large Language Model? How ChatGPT-Style AI Works
A large language model is AI trained on vast amounts of text to predict the next word. Learn how LLMs work, what…
What Is AI? A Plain-English Guide
What is AI? A plain-English guide to artificial intelligence: how it learns, how ChatGPT works, what AI can and can't do, and…
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