USB-C

Your device pulls current, it doesn't get pushed — and that changes everything about picking USB adapters.

Micro USB ports fail mechanically, not electrically. Here's why they break, how to diagnose it, and whether a USB-C swap is worth it.

Every reason AC beat DC has been overturned by power electronics. So why is your wall socket still AC?

Data centers look immaculate, your rack looks like a raccoon got into a cable box. Here's what actually transfers from pro PDUs to home.

A dead rotary tool leads down two rabbit holes: warranty economics and how components actually move around the world.

A $50 tool, a 90-minute drive, and a warranty that costs more than the item. How macro PCB photography and public documentation make repair possible.

Is a distributed belt-mounted power system the future of EDC, or just a clever fantasy? We dig into the engineering.

The US isn't really a 120-volt country — it's 120/240 split-phase. Here's the engineering logic behind the numbers on your panel.

A precision screwdriver set, ESD tweezers, and a spudger — the case for the manual tool in a world that reaches for the motor.

Two phones, no data, one room. Morse over sound and flashlight — what the research says about echoes, timing, and whether anyone will hear you.

Daniel's Dremel only charges at one jiggle angle. What warranty service actually looks like in Israel, the EU, and the US.

Voltage isn't what kills you. Current is. Here's what really happens when AC meets the human body.