Learn AI
Start here. What AI is, how it works, and the words that matter — in plain English.
What Is Agentic AI? A Beginner's Guide to AI Agents
What is agentic AI, in plain English. How AI agents work (perceive, plan, use tools, act, check), how they differ from chatbots, real examples, risks, and how to start.
How Much Water Does AI Use? (The Real Numbers, Explained)
How much water does AI use? Estimates range from ~0.3 ml to ~50 ml per ChatGPT query, depending on what you count. Here are the real, sourced figures for queries, images, and data centers.
How Much Energy Does AI Use? (The Real Numbers, Explained)
How much energy does AI use? About 0.3 Wh per ChatGPT query, per OpenAI and independent estimates — while U.S. data centers drew ~176 TWh in 2023. Here are the sourced figures for queries, training, and the grid.
What Is MCP in AI? Model Context Protocol, Explained
MCP (Model Context Protocol) is an open standard that lets AI assistants connect to your tools, files, and data through one common interface. Here's how it works and why it matters.
What Is RAG in AI? (Retrieval-Augmented Generation, Explained Simply)
RAG (Retrieval-Augmented Generation) lets an AI look up relevant information before answering. Here's how RAG works, why it matters, and how it compares to fine-tuning.
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