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What Is a Qubit? A Developer's Explanation

What Is a Qubit? A Developer's Explanation

Quantum Computing · 2013 words · 10 min read · 8/18/2026

A qubit holds a continuous state but yields one bit when measured. What that means, where the advantage comes from, and what qubits are made of.

What Is RAG? Retrieval-Augmented Generation Explained

What Is RAG? Retrieval-Augmented Generation Explained

RAG and Vector Databases · 1933 words · 10 min read · 8/17/2026

RAG retrieves relevant documents and puts them in the prompt before the model answers. How the pipeline works, where it fails, and whether it is still relevant.

What Is Prompt Engineering? A Working Definition

What Is Prompt Engineering? A Working Definition

LLM Engineering · 1862 words · 9 min read · 8/16/2026

Prompt engineering is designing model inputs for reliable outputs. The techniques that hold up, the ones that faded, and whether it is a real job.

What Is an AI Agent? A Developer's Definition

What Is an AI Agent? A Developer's Definition

AI Agents · 2905 words · 15 min read · 8/15/2026

An AI agent is an LLM that decides its own next action in a loop against real tools. The working definition, the five classic types, and where agents break.