Visual guides to complex topics in computer science, physics, and mathematics.
How to get automatic HTTPS certificates for private services. Covers tailscale serve, certificate management, multi-app routing, and why HTTPS matters for modern web APIs.
Interactive walkthrough of Karpathy's dependency-free GPT. Every operation visible: autograd, attention, training, and inference with zero libraries.
From quantum energy bands to Kirchhoff's law. Why black surfaces absorb and emit more than white ones, and the time-reversal symmetry hiding beneath it all.