On the unreasonable difficulty of plotting pretty rainbow, fast

When tasked with plotting the wavelengths of visible spectrum (aka rainbow), there's multiple options; most of them bad.

Overengineering float serialization for no good reason

When a perceived mistake in Ocean Optics calibration coefficients wasn’t worth fixing after all.

Designing a 3d-printed clasp for a sports gear bag

A quick journey to design a lightweight clasp for a "Sportsachen" bag (so it doesn't slide off the shoulders).

LLM: Write production-ready code!

A quick story about a surprising impact of a single sentence on code quality.

Accidentally solving the Swisscom 2025 security.txt challenge

Brief and very incomplete writeup about how I procrastinated for a few hours.