Cities and Transport
The built environment and movement: urban planning, housing, buildings, infrastructure, aviation, and travel.
#2571: How S3 Billing Actually Works (And Why R2 Is Different)
Storage is the decoy cost. The real surprises come from request charges, egress fees, and early deletion penalties.
#2570: Can Solar Alone Power a Country?
What total solar sufficiency actually requires — from generation to storage to the grid itself.
#2569: The Invisible Miracle of Grid Balancing
The grid has no storage. Every electron was generated a fraction of a second ago. Here's how it stays balanced.
#2568: When Does Your House Need Three-Phase Power?
Why industrial machines need different electricity — and when your home AI rig might too.
#2554: Bluffer's Guide to Car Talk: Sound Like You Know Engines
Stop saying "it went clunk." Learn the phrases that make mechanics think you know what you're talking about.
#2547: Self-Hosted Podcast Analytics & Caching Fixes
How to track listeners, handle caching delays, and get sponsor-ready numbers when self-hosting on Cloudflare R2 or S3.
#2544: How to Make AI Architectural Renders Photoreal Without Breaking Geometry
Fixing the uncanny valley in AI-enhanced architectural renders — without breaking the geometry.
#2539: When Does AI Stop Hallucinating and Start Reconstructing?
What happens when you feed hundreds of photos into an AI world generator — do you capture reality or just a convincing dream?
#2530: Canals as Highways: The Real Pollution Math of Water Transit
Venice moves garbage, ambulances, and Amazon deliveries by boat. How does water transit actually compare to buses on pollution?
#2509: How Shabbat Reveals a Blind Spot in Air Quality Indexes
Jerusalem's Shabbat cuts traffic pollution 4x more than Western weekends—but standard air quality indexes barely register the change.
#2485: How Many Floors Up Before Stairs Become a Burden?
Research shows life gets measurably worse above the 4th floor. Here's what the data says about stairs, families, and safety.
#2482: When AI Chatbots Leak Your PDFs via Public S3 Buckets
A user uploaded a sensitive PDF to an AI chatbot. The chatbot stored it in a public S3 bucket with zero authentication.
#2472: When Guardrails Break: The Hidden Costs of AI Gateway Filtering
PII detection at the gateway layer can block legitimate invoices. Here's how guardrails actually work and where they fail.
#2452: When BIM Breaks the SQL Analogy
How BIM's cascading changes eliminate coordination errors — and where the SQL analogy breaks down.
#2446: Why Airport Flight Displays Still Run Windows XP
The surprising tech stack behind airport departure boards, Times Square screens, and the Windows XP systems still running them.
#2438: The Folder Illusion: How Object Storage Fakes Hierarchy
Blobs, flat namespaces, and why those "folders" in cloud storage are complete illusions.
#2437: The False Precision of GPS Coordinates
Why 8 decimal places of GPS data is mostly noise, and how tectonic plates move faster than your coordinate system updates.
#2407: Three Landings in 90 Days: Pilot Automation Dependency
Why pilots aren't hand-flying enough, the regulatory floor that lets it happen, and what airlines are doing about it.
#2390: The Low-Grade Digital Arms Race
Discover how browser automation is reshaping web interaction, from job applications to navigating geo-restrictions and anti-bot measures.
#2372: Choosing the Right Sandbox for Your Threat Model
Explore the tools and methods for creating secure, isolated environments to test malware, browse privately, and protect sensitive systems.