Tag
Tools
Pieces where this index term appears. Tags are intentionally secondary here: a way to cross-cut the archive without turning the site into a taxonomy machine.
When Building Becomes Cheap, Responsibility Moves Upstream
In 2026, the hard part of shipping a small public-information tool is not making it work. The hard part is deciding what it is allowed to say. This is a methodology note about confidence boundaries, the abandoned-utility risk, and the kind of practice it takes to ship something useful without quietly making the world worse.
Retrofit: The Subsidy Navigator Nobody Built
Most Spanish homes are energy disasters — rated E, F, or G. Billions in EU retrofit subsidies exist. But the gap between "money is available" and "homeowner applies for it" is enormous, especially in small inland towns. This is a tool that tries to close it.
The Overhang in Your Pocket: Orbital Mechanics Edition
I asked an AI to visualize when to go to Mars. It built this interactive simulation in React. Here is a demonstration of what is possible when you start using these tools.