Tech, Explained with Care

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Tech Notes & Insights

Abstract illustration of a prompt entering a language-model prediction loop and becoming a sequence of text tokens.

What Is an LLM? A Beginner’s Guide to Large Language Models

Learn what an LLM is, how next-token prediction creates text, why one model can do many tasks and where its…

November 1, 2026

Diagram of an agent request, trace, spans and debugging evidence

Amazon Bedrock AgentCore Observability: Setup, Traces and Debugging

Learn Amazon Bedrock AgentCore Observability: enable traces, inspect sessions and spans, debug agent failures, and control CloudWatch data, costs and…

October 30, 2026

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