Archive · September 2026
Nine Centimetres Over the A1: Heinz Isler's Cloth-Found Shells at Deitingen Süd
Heinz Isler's 1968 shells at Deitingen Süd span 31 m with 9 cm of concrete, their form found with hanging cloth. A Solothurn monument since 2000.
Post-occupancy on yourself: why EM2N opened its own office at Open House Zurich
EM2N opened its own low-tech office at Open House Zürich 2026. Why a partner-led tour is post-occupancy on yourself, and a five-decision tour script.
A 50% Better Rain Forecast Meets the Bauleitung: Read the Grid and Error Bar
Google claims WeatherNext 3 gives 50% better rain forecasts a day ahead. What a 0.25° grid cell means in Zurich, and how Bauleitung teams should test it.
Three Points, One Wrong Answer: Build Shewchuk's Robust Orientation Test in Grasshopper C#
Why 'left of the line?' can return the wrong sign in floating point, and how to build Shewchuk's robust orientation test in a Grasshopper C# component.
Asteroid Mining Economics: Why Delta-v, Not Platinum, Sets the Price of a Rock in Space
Why transport, throughput and discount rate price an asteroid before its ore grade does — and what NASA Psyche's platinum question means for your specs.
Mattertal Tunnel: when protecting a line costs half, move it into rock
MGBahn's Mattertal Tunnel moves the Täsch–Zermatt line into 4.1 km of rock. Its public display closes today, so here is how to weigh protecting against relocating.
Week 39 in Review: Read What Is Already Built — Ten Isotopes, Old Bridges and a Shared IFC Vocabulary
Week 39 on PAZ Kaffi: ETH Zurich reads Earth's recipe from ten isotopes, Swiss data dictionaries, old bridges, Chair44 and a 0.80 m IFC door check.
SIA 358 Belongs in the Model, Not the PDF: Our Archicad Powersession on 30 September
On 30 September 2026 our Archicad Powersession reads SIA 358 railings and parapets through the model: favourites, IFC checks and a triage script.
Kalkbreite, Read From the Rails Up: A Small City Stacked on a Working Tram Depot
Kalkbreite in Zürich, read from the rails up: VBZ depot, city ring, raised courtyard, 256 residents, and the written rules that hold the megablock together.
Linkages after Origami: Harvard and Tokyo Grow Collapsible Surfaces One Joint at a Time
A Harvard and University of Tokyo team grows deployable scissor lattices joint by joint. What it means for kinetic facades and pavilions in Switzerland.
