Technology
Hardware, software, networking, and development
#2699: Inside Android's Binder: No HTTP Here
Android's internal APIs don't use HTTP. They use Binder — a kernel-level IPC mechanism that's faster, tighter, and completely opaque.
#2695: Self-Hosting Tailscale Exit Nodes Safely
How to safely route traffic through your home from anywhere using Tailscale exit nodes — without exposing your network.
#2694: When AI Agents Write Your Backup Scripts
Borg, Restic, and Kopia compared for whole-server incremental backups on Ubuntu Docker hosts.
#2679: Can a VPN Protect You from SS7 Phone Spying?
SS7 is the hidden backbone of global phone networks—and it's wide open to spies. Here's what a VPN does and doesn't fix.
#2671: How Your Phone Helps Strangers Find Lost Wallets
Your phone silently helps strangers find lost items. Here's how the cryptography and mesh networks actually work.
#2670: When Your Projector's App Store Dies
Brightness, screens, and software longevity — what to look for when buying a portable projector.
#2667: Lost Phone, Found Tension: Security vs. Returnability
Can you secure your Android without killing the chance a good Samaritan returns it? We break down the tradeoffs.
#2660: The Craft Cider Revival and the Art of Keeving
From Normandy's keeved ciders to Asturian sidra that argues with you — a global tour of craft cider's real hotspots.
#2659: The Accidental Invention That Predates the Wheel
Mead predates the wheel. Here's how to brew it at home — and why it's making a comeback.
#2658: The Legal Definition of Off-Broadway
Off-Broadway isn't just smaller Broadway—it's a different legal, economic, and artistic universe defined by seat counts.
#2646: When Your Door Won't Open: The Failure-Mode Philosophy of Smart Locks
Z-Wave vs Zigbee vs Wi-Fi for smart locks. What's reliable enough to trust with your front door?
#2629: The ADHD Archaeologist of Scent
How a frankincense obsession led to discovering perfume oils — a 4,000-year-old tradition that's being rediscovered today.
#2626: The Trust Problem in Bedroom Automation
Smart glass vs smart curtains for circadian health — what works in a rental bedroom without owning the walls?
#2621: Wartime Ingenuity: Powering Connectivity in a Faraday Cage
Four 18650 cells can't stack to 230V. The secret is switching, not stacking.
#2620: How Atomic Clocks Actually Keep Time
Why the second is defined by a cesium atom, not the Earth's rotation — and why leap seconds are causing chaos.
#2608: Can You Wire Your House Like a Hotel?
Can you wire your house like a hotel? Here's what KNX costs, how it works, and how to connect it to Home Assistant.
#2600: Circadian Lighting Gradients in Home Assistant
How to build a smooth, override-friendly circadian lighting system using Adaptive Lighting in Home Assistant.
#2599: The $200 Printer That Changed Everything
What $200 buys you for printing keycaps, cable housings, and small parts at home — with real material and environmental math.
#2597: Voice Control for Renters: $25 Per Room, No Wall Damage
Distributed voice control on a budget with wake words, centralized processing, and zero wall damage — perfect for rentals.
#2596: The Hidden World of Industrial Computing
Two parallel tech worlds: industrial systems integrators and IT managed service providers. How they differ, and why one pays $300/hour.