Archive · September 2026
The teleop tax, paid down: 12 minutes of an installer's hands
A McGill sim buys a prefab window installer's tacit skill in 12-15 minutes of supervision at the contact-failure boundary — the teleop tax, paid down.
Point Cloud Simplification: The Discipline of Honest Deletion
How rational decimation keeps a laser scan light and geometrically honest for scan-to-BIM — from Song & Feng curvature to GP-PCS, with a one-line Open3D check.
Everything is a vector now: a NumPy afternoon from molecule fields to your detail library
A hands-on NumPy tutorial for architects: build vectors, compute cosine similarity, and turn a messy detail folder into a searchable library this afternoon.
Zürich–Winterthur: the three-minute tunnel that is really buying a spare path
SBB's MehrSpur Zürich–Winterthur isn't buying three minutes but redundancy — and why usable possession hours, not spans, set a build's programme.
Review of the Week: The forecast learned to say how sure it is
PAZ Kaffi's Monday recap of week 2026-W37: WeatherNext 3's error bar, Roman's first light, Switzerland's permafrost record, GPT-6 Astra and the Lötschberg.
AI found a singularity in Navier-Stokes — the equation your CFD solver runs every day
An AI swarm claims a Lean-verified Navier-Stokes singularity. What the proof means for the CFD, HVAC and wind-load solvers on an architect's desk.
Your Wohnungsspiegel is a query, not a table — an Archicad Powersession on 16 September
PAZ Academy's Archicad Powersession on 16 Sept turns the Wohnungsspiegel into a self-updating Interactive Schedule over your Zones — not a hand-typed table.
Roman Is Up: A Billion Galaxies, and the Old Problem of Flattening a Sphere
NASA's Roman Space Telescope launched 30 Aug 2026 with a 100×-Hubble field. The same projection math that maps a billion galaxies flattens your site plan.
Infrastructure Systems Design: why the honest engineer solves the whole web at once
A PAZ foundation essay on Infrastructure Systems Design: coupled constraints, NSGA-II Pareto fronts, and why the honest engineer optimises cost, carbon and resilience together.
Your first C# method: from empty folder to a running Windows app
Install the free .NET 9 SDK, write your first C# method, and run a Windows console app this afternoon — a PAZ Academy hands-on intro for AEC coders.
