A simple way to control locomotive speed whilst playing realistic "steam engine" sounds.

We can do some pretty clever things with "xargs".

There was a time when a two or three year-old, refurbished flagship smartphone was a good purchase. But times are changing.

Oops -- you ran an aggressive de-bloater on your rooted Android device, and put it into a boot loop. What next?

What should we tell people whose commitment to de-Googling is wavering?

TL;DR: AI slop is bad; human slop is worse

Many file formats are suitable for representing e-books, but most are complex, and many are proprietary. This article puts forward a proposal for a new format, somewhat like EPUB, but hugely simplified.

I compare three privacy-sparing mapping apps which work on a fully-deGoogled Android handset

Oh, dear -- another server for the Gemini protocol. What use can that possibly be?

For Internet-facing applications it's advisable to run Java server applications in a restricted sandbox. Can we do that, at least in part, without the overheads of Docker and the like?

Despite what "small net" enthusiasts might claim, HTTP is a pretty good protocol for document retrieval. Can we develop a new protocol with all the same advantages, and none of the disadvantages?

There's something to be said for maintaining Gemini content in Markdown and converting it, rather than writing it directly in Gemtext.