Tech Series

Every Bit of AI

Small, steady notes on what the tools are becoming.

Posts

RAG Advanced Techniques

Mar 01, 2026 A practical reference list of modern RAG techniques—chunking, embeddings, query rewrite/expansion, reranking, hierarchical/graph/agentic RAG—with concrete examples and tradeoffs.

RAG Works… Until Retrieval Fails

Feb 28, 2026 A simple explanation of how RAG works, why retrieval is the real bottleneck, and how to measure it with MRR, nDCG, Recall@K and Precision@K.

LLM Leaderboards — My Living Reference List

Feb 19, 2026 A curated list of LLM leaderboard sites I keep coming back to, plus what each one is good for when choosing models.

Demystifying AI Tools

Jan 30, 2026 What “tools” really are in AI systems, why they exist, and what’s actually happening when a model “calls” one.

Layers of the AI Stack

Jan 29, 2026 What LLMs, RAG, agents, and multi-agent systems really are — and why they appeared in this order.

The Illusion of AI Memory

Jan 28, 2026 Why large language models feel like they remember — and why they actually don’t.