Technology
Hardware, software, networking, and development
#4310: What Actually Happens When You Tap Your Phone to Pay
94% of money exists only as digital IOUs. Here's how the system actually works when you tap to pay.
#4297: Can You Hack the Institutional Sandwich Supply Chain?
How to get a fridge full of airline-style sandwiches for $2 each — no loading dock required.
#4295: Custom Storage Inserts Without Injection Molding
How to make HDPE grid inserts for Euro boxes without injection molding — 3D printing, CNC, or waterjet cutting?
#4294: How to Fill a 6U Comms Cabinet: Shelf, Fan, Cable Guide
Empty box, no shelves, no instructions. Here's how to actually fit a modem, mini PC, switch, and NAS into a shallow 6U cabinet.
#4293: Vacuum Secrets: The Industrial Machine Under $500
Why a $500 industrial vacuum can outlast three premium consumer models and save you thousands.
#4292: How a Belt Changed One Man’s Shopping Philosophy
One belt, a gear nerd community, and a whole new way to buy things that actually last.
#4291: Car Battery Lifespan, Dash Cams & Jump Starters
Realistic battery life, why dash cams drain them fast, and whether portable jump starters actually work.
#4290: What Specs Actually Matter in a Borescope
1080p vs VGA scams, cable length traps, and adjustable lighting — what to look for in a diagnostic borescope.
#4287: One Trip, Not Ten: Inbound Package Consolidation
What if all your AliExpress packages arrived as one pallet instead of ten separate pickup trips?
#4285: The Middle-Voltage DC Field Guide
When to use 24V vs 48V DC, how to distribute it, and what hardware you'll need.
#4284: Kill the Wall-Warts: Centralized DC Power for Your Rack
Ditch the brick sprawl. One power supply, one distribution panel, and a huge efficiency gain for your homelab.
#4282: Beyond the Tourist Trail: Finding Cities Worth the Trip
How to find well-connected cities that aren't overrun with tourists — Bilbao, Gdańsk, Turin, and Plovdiv.
#4280: Work Pants That Survive Real Abuse
Which workwear brands actually survive dryer abuse, heavy belts, and real job site wear?
#4275: From $15 AliExpress Belt to Full EDC System
How belt width changes everything about your carry system — and what to do about it.
#4273: UPS vs Generator: Where's the Line Now?
Lithium batteries are making home UPSs bigger and cheaper. But when does a generator still win?
#4271: Concrete Screws vs Plastic Anchors: Best for Renters
Concrete screws hold 2-3x more weight than plastic anchors and leave smaller holes. Here's what Israeli renters need to know.
#4270: The Anchor Go Bag: A System for Hanging Anything
Stop googling anchor sizes. A decision tree for drywall, concrete, and everything in between.
#4265: Who Actually Handles AliExpress Customs?
What happens when a customs broker emails you about your AliExpress order? Here's how it really works.
#4264: EXW vs FOB: Real Costs and Hidden Fees for China Imports
Which incoterm saves you money? The answer depends on factory location, supplier capability, and hidden fees.
#4244: Euroboxes in America: Can Your Storage Cross the Atlantic?
Euroboxes don't fit US shelving, pallets, or totes. Here's what happens when your modular system crosses the Atlantic.