Technology
Hardware, software, networking, and development
#3911: How to Spec Custom Shelving for a MAMAD
A practical guide to custom-height industrial racks for bomb-safe rooms, from dimensions to assembly.
#3907: Why the DNS Postman Metaphor Fails Learners
The postal metaphor for DNS is everywhere—but it's failing millions of learners. Here's what works better.
#3904: Manual NAT vs Double NAT: The Measurable Reality
Tracing OPNsense packet paths and quantifying double NAT's real latency cost.
#3902: Manual Network Config Demystified
Why your Linux box asks for gateway, subnet mask, and IP separately — and what each actually does.
#3901: Traceroute Beyond the Basics: Path Diagnostics
Discover what traceroute actually reveals about network paths, firewalls, and multi-WAN failover.
#3898: The Box That Warps: Moving vs Storage Physics
Why your Eurobox warps under a ratchet strap — and why cardboard doesn't.
#3895: Hand Truck Hack: Strapping & Platform Mods for Euroboxes
Secure a 4-box Eurobox stack on a hand truck with proper ratchet straps and a custom 40x60cm platform.
#3892: Unlocking Hidden Android Cellular Diagnostics
Fix slow Android data by using hidden settings like dialer codes, APN configs, and band selection—no root required.
#3885: The Moving Trolley That Ran Away
When your loaded trolley rolls off on a slope, wheel locks aren't a nice-to-have — they're a necessity.
#3884: Why Your Wi-Fi 7 Mesh Might Make Things Worse
Most people either under-provision or over-provision their home networks. Wi-Fi 7 makes both mistakes more expensive.
#3883: Inside OPNsense Tunables: Kernel Variables Explained
What OPNsense tunables actually do, how they work under the hood, and when to touch them.
#3881: Baby Food Tampering in Jerusalem: What Parents Need to Know
Infants collapsed from benzodiazepine-laced baby food in Jerusalem. Here's what happened, the history, and how tamper-evident packaging works.
#3878: Three Axes of Every Screw on Your Bench
How to identify any small screw by thread form, head style, and drive type — and never lose a project to a missing fastener again.
#3877: The Real Workbench Problem: Modular vs. IKEA for Electronics
From IKEA hacks to industrial Lista systems — what actually works for electronics workbenches in small apartments?
#3870: Laser Engravers for Home Labs: Are They Worth It?
Desktop laser engravers now cost less than a 3D printer. But can they actually label your home network gear?
#3869: How a Bendy Stick Transmits Torque
The surprising engineering inside flexible screwdriver extensions and how they transmit torque around obstacles.
#3868: Why Your Super Glue Fails (And How a Dremel Fixes It)
A rotary tool isn't just for engraving. Discover how surface prep turns failed glue joints into permanent fixes.
#3867: Drill, Impact Driver, or Hammer Drill? The Real Difference
Most people buy the wrong drill. Here's how to match the tool, bit, and material so you don't ruin your project.
#3866: What's Actually Inside Your Plastic Storage Bin?
Two bins can both say "polypropylene" — one lasts two years, the other two decades. Here's why.
#3865: The Spudger Problem: Thin vs Strong
Why pry tools bend and what materials science says about the perfect spudger.