AI
What Is an AI Agent? How Autonomous AI Actually Works
An AI agent is software that can plan, use tools and take multi-step actions toward a goal — not just chat. Here's how agents really work, in plain English.
LLM
Questions and articles about LLM, answered in plain English.
AI
Is Prompt Engineering Dead? What Actually Works Now
Models got smarter, so the old prompt tricks died. Here's what still reliably improves AI output in 2026 — and what's now a waste of typing.
AI
Retrieval-Augmented Generation (RAG), Explained Simply
RAG lets an AI answer from your documents instead of guessing. Here's how retrieval-augmented generation works, why it reduces hallucinations, and where it fails.