Articles on AI engineering, LLM agents, and building production software.https://bessavagner.com/https://bessavagner.com/blog/fast-molecular-dynamics-in-numpy/https://bessavagner.com/blog/fast-molecular-dynamics-in-numpy/A naive molecular-dynamics loop is O(N²) and dies past a few hundred particles. With cell lists, a cutoff Lennard-Jones potential, velocity-Verlet integration, and reduced units, you can simulate thousands of particles in pure NumPy and watch a gas equilibrate.Thu, 25 Jun 2026 00:00:00 GMThttps://bessavagner.com/blog/running-llm-generated-code-safely/https://bessavagner.com/blog/running-llm-generated-code-safely/A practical look at sandboxing the code a language model writes — the threat model, the isolation options, and a minimal Docker setup you can build on.Tue, 23 Jun 2026 00:00:00 GMT