Made, noticed,
written down.

A three-stage filter that reads 64 KB from each file before committing to a full SHA-256 — and why 'size on disk' is the number you actually want to sort by.

macOS reports a wattage that describes the adapter, not what your Mac is actually receiving. Building a menu-bar utility to show the honest number.

A mechanical flip board is not an animation, it's a state machine with a sound effect. Building one in vanilla JavaScript, with no frameworks and no build step.

XDR displays have headroom past 100%. Here's what it takes to expose it safely, and why the slider needs a warning label.

A Zotero plugin built around a consent preview: what leaves your machine, to which provider, how much of it, and what might go wrong — shown before anything is sent.

Why podcast clients are so fussy about RSS, what it takes to bundle a whole Python media stack into a Mac app, and how to keep the feed on your own network.