Old TV Vacuum Tube Turned DIY X-Ray Machine
https://hackaday.com/2026/07/22/old-tv-vacuum-tube-turned-diy-x-ray-machine/

Just because you probably shouldn’t make a DIY X-ray machine, doesn’t mean nobody would. [mircemk] shows off his DIY unit, how it works, how to use it safely and of …read more (https://hackaday.com/2026/07/22/old-tv-vacuum-tube-turned-diy-x-ray-machine/)

Compile Here, Run Everywhere: Crosstool-Ng
https://hackaday.com/2026/07/22/compile-here-run-everywhere-crosstool-ng/

In a recent post, I mentioned that I wanted to build some tools for a stripped-down Linux running on a 3D printer with a MIPS CPU. I had two options: …read more (https://hackaday.com/2026/07/22/compile-here-run-everywhere-crosstool-ng/)

Dress Up Your YubiKey With This Web-Based Tool
https://hackaday.com/2026/07/22/dress-up-your-yubikey-with-this-web-based-tool/

The combination of hardware required to make use of this project is specific enough that we imagine only a relatively limited number of readers will actually be able to try …read more (https://hackaday.com/2026/07/22/dress-up-your-yubikey-with-this-web-based-tool/)

The Need for Speed: Internet Speed Measurement (or DIY?)
https://hackaday.com/2026/07/22/the-need-for-speed-internet-speed-measurement-or-diy/

Car enthusiasts want to know how quickly they can make a quarter mile. Weightlifters are forever trying to add one more plate to the bar. Internet denizens have their own …read more (https://hackaday.com/2026/07/22/the-need-for-speed-internet-speed-measurement-or-diy/)

FLOSS Weekly Episode 876: There Is No Money Fairy
https://hackaday.com/2026/07/22/floss-weekly-episode-876-there-is-no-money-fairy/

This week Jonathan chats with Michael Meeks about Collabora! What’s the origin story in this consulting company, why do they have an outstanding office suite, and where is the world …read more (https://hackaday.com/2026/07/22/floss-weekly-episode-876-there-is-no-money-fairy/)

An LLM in the Kitchen
https://hackaday.com/2026/07/22/an-llm-in-the-kitchen/

Have you ever been looking up a recipe for something new and been stymied by the directions being a wall of text, especially to find that one detail right when …read more (https://hackaday.com/2026/07/22/an-llm-in-the-kitchen/)

V Formation Flying of Birds is Explained by a Minimal Wake–Vortex Model
https://hackaday.com/2026/07/22/v-formation-flying-of-birds-is-explained-by-a-minimal-wake-vortex-model/