Cities and Transport
The built environment and movement: urban planning, housing, buildings, infrastructure, aviation, and travel.
#4583: Structural Stone: The Building Material That Lasts 500 Years
Stone buildings outlast concrete by centuries — and engineers are bringing it back with post-tensioning and CNC cutting.
#4575: Measuring Rooms with Fiducial Markers: AprilTag vs ArUco
AprilTags, ArUco, ChArUco — which marker system actually helps you measure a room from a photo? We break down the tradeoffs.
#4574: The Hidden Airport Layer: Traveling with a Toddler
From stroller logistics to security secrets — everything first-time parents need to know before boarding with a baby.
#4567: eSIM Adapters, US Data, and Twilio: A Traveler's Setup
eSIM adapters, US data plans, and running your phone through Twilio — a practical guide for frequent travelers.
#4561: Why Concrete Crumples: Tension vs. Compression
Why does a material that holds skyscrapers crumble when hung? A beginner's guide to seeing the built world differently.
#4560: How Strong Can Plastic Actually Get?
From Euroboxes to bulletproof vests — tracing the molecular secrets behind plastic's surprising strength.
#4554: Inside the Eurobox: The Hidden Standard That Runs Warehouses
The shipping container is famous. The Eurobox inside it? Not so much. We trace the cascade of standards that makes modern logistics work.
#4540: The One-Star Review Circuit: A Master Playbook
How to find the worst-rated restaurants in any city—and actually enjoy the experience.
#4539: Athens Beyond the Acropolis: A Jerusalem Comparison
What does daily life in Athens actually feel like? Think Jerusalem — palimpsest streets, community cats, and a rhythm all its own.
#4519: Why US Freight Uses a 48x40 Pallet
Why the US uses a 48x40 GMA pallet, 53-foot trailers, and 80,000-pound weight limits — and how it all differs from Europe.
#4518: Pallet Wars: What Importers Lose in the Gap
How pallet mismatches between Asia, Europe, and North America cost importers time and money.
#4508: How Concrete Conquered Stone
Roman concrete self-healed for 2,000 years. So why did stone lose out?
#4504: When Cars Took Over: Traffic Engineering's Origin Story
How 1920s traffic engineers borrowed from fluid dynamics, and whether AI routing could be a public utility.
#4485: How to Start an Architecture Movement That Actually Works
Recovering lost design technology — Art Deco, Jerusalem stone, and building a new architectural style from the ground up.
#4484: Cooling Cities Without Cooking the Planet
Paris district cooling, passive design, and whether we can stay cold without climate guilt.
#4483: Scooters vs Sidewalks: Jerusalem's Mobility Crisis
Why 3,000 scooter fines in Jerusalem couldn't fix a sidewalk safety crisis — and what actually works.
#4475: Where GeoJSON Breaks and KMZ Still Wins
Why your browser freezes on a 1.5GB GeoJSON and when KMZ is actually the better choice.
#4463: 3D File Formats: What Survives Conversion
A practical tour of the 3D format landscape organized by what you're actually trying to build.
#4459: Fixed Egress IP From Anywhere: Is IP Allowlisting Dead?
How to get a static IP from anywhere for admin access — and whether IP allowlisting still makes sense in 2026.
#4452: YouTube Backup Pipeline: RSS + yt-dlp + Wasabi
Build a free, reliable pipeline to auto-download and backup YouTube videos using RSS feeds, yt-dlp, and cloud storage.