A Product Owner's experiment with financial risk thinking
Posted on May 19, 2026 | 6 minutes | Stefan Zils
FHS is a small Python library that simulates 10,000 futures per feature hypothesis so Product Owners can prioritise on a numerical decision basis — expected value, Business Value Floor 95, worst case, …...
Single trails through the challenging lower valley
Posted on May 19, 2026 | 4 minutes | Stefan Zils
Wilde Endert — narrow trails through the lower valley, with gorges, the Rausch waterfall and slate hills.
Walks, Bike Tours & the Kalkeifel-Radweg
Posted on May 12, 2026 | 1 minutes | Stefan Zils
Dreimühlen Waterfall — short walks for families, longer hikes and bike touring on the Kalkeifel-Radweg in the Eifel.
From Maar to Jungfernweiher – Nature Experience - Volcanic Lake
Posted on December 21, 2025 | 1 minutes | Stefan Zils
Ulmener Maar — short hikes, a connecting tunnel to Jungfernweiher and birdwatching opportunities.