The Lab Notes

A Prompt is Not a Security Boundary

A prompt can tell an AI agent what not to do — but it can't close a network route, revoke a credential, or reverse a write. Real incidents at OpenAI and Anthropic show why production AI systems need containment, not just instructions.

How Do You Evaluate a RAG System? The 4 Metrics That Actually Matter

Accuracy alone can't tell you if your RAG system is working. Here's how to evaluate retrieval and generation separately using Faithfulness, Answer Relevance, Context Precision, and Context Recall plus how to diagnose which one to fix first.

How Fortune 500 Companies Actually Use Machine Learning

Machine Learning isn't just research and algorithms. It's quietly powering the apps and services we use every day. Here's how Amazon, Netflix, Uber, Tesla, and more actually use ML to solve real business problems.

RAG Explained: Why Your LLM Doesn't Actually Know Anything (And How to Fix That)

LLMs are frozen in time and don't know your company's data. RAG is how you fix that — without retraining the model. Here's how it actually works, step by step.