What an AI agent is, how it differs from a chatbot, how it works under the hood and real-world examples, with definitions from OpenAI, Anthropic, IBM and Microsoft.

A practical comparison of Claude Code, Codex and Cursor: interface, models, September 2026 pricing, and what the research says about their real-world productivity.

ChatGPT Work, Gemini Spark, Copilot and Claude: which agent each of the four big AI companies offers, what it costs, and which one makes sense for what you need.

How to get an AI agent running on your own computer: what “local” means, memory requirements, Ollama, llama.cpp and LM Studio, open models and privacy.

A stuck AI agent left a note for other agents. Two months later they ran code on 41 of Hugging Face's production servers. What the incident report says.

Technical drawing guide: axonometric, orthogonal and oblique projections, CAD, drawing tools, 2D vs. 3D design, paper sizes and industry standards.

this is the second part of the technical drawing series where we will be discussing the fundamentals of technical drawing.