Software
Almost everything on your screen was fetched before you asked for it
Caching is a bet that you will want the same thing twice. Every layer of a computer makes that bet, and the losses are invisible.
Software
Operating systems, updates, formats and the logic underneath the interface.
21 articles · updated August 11, 2026 · page 2 of 2
Software
Why a computer insists that a tenth plus two tenths is not three tenths
Some perfectly ordinary decimal fractions have no exact representation in binary, and the arithmetic that follows inherits that gap…
Software
A file is a promise the filesystem makes, not an object on the disk
The name, the contents and the location are three separate things held together by bookkeeping, and most storage mysteries live in…
Software
How one processor convincingly pretends to be a different one
Emulation is translation performed continuously, and the reason it feels fast is that the translation is done once and then reused.
Software
Adding cores stops helping at the point where the work refuses to divide
Every program contains a portion that must happen in order, and that portion sets a ceiling no amount of hardware can lift.
Software
How a letter shape becomes pixels, and why it looks different everywhere
A font stores outlines, not pictures. Turning a smooth curve into a grid of square pixels is a decision, and every system decides…
Software
Why your update arrives a week after somebody else's
Releases are handed out in widening circles while somebody watches the failure rate, and your device's position in that queue is…
Software
What a computer does in the seconds before anything appears
Before an operating system exists, something has to wake the hardware, prove the memory works and find code worth trusting.
Software
Modern software is assembled out of other people's software
A small program can pull in hundreds of components written by strangers, and the resolution rules that choose their versions are…