PVA Filament: Not Always What it Seems
https://hackaday.com/2025/06/20/pva-filament-not-always-what-it-seems/

PVA filament is an interesting filament type, for the reason that while it can be printed with any FDM printer, it supposedly readily dissolves in water, which is also the …read more (https://hackaday.com/2025/06/20/pva-filament-not-always-what-it-seems/)

ELIZA Reanimated
https://hackaday.com/2025/06/20/eliza-reanimated/

The last time we checked in with the ELIZA archeology project, they had unearthed the earliest known copy of the code for the infamous computer psychiatrist written in MAD-SLIP. After …read more (https://hackaday.com/2025/06/20/eliza-reanimated/)

The Most Satisfying Way To Commit
https://hackaday.com/2025/06/20/the-most-satisfying-way-to-commit/

Have you ever finished up a bit of code and thought that typing “git push” in a terminal is just not a satisfying finish? So did [penumbriel], so he built …read more (https://hackaday.com/2025/06/20/the-most-satisfying-way-to-commit/)

If Your Kernel Development is a Little Rusty
https://hackaday.com/2025/06/21/if-your-kernel-development-is-a-little-rusty/

To paraphrase an old joke: How do you know if someone is a Rust developer? Don’t worry, they’ll tell you. There is a move to put Rust everywhere, even in …read more (https://hackaday.com/2025/06/21/if-your-kernel-development-is-a-little-rusty/)

Tiny Tellurium Orbits Atop a Pencil
https://hackaday.com/2025/06/21/tiny-tellurium-orbits-atop-a-pencil/

We like scale models here, but how small can you shrink the very large? If you’re [Frans], it’s pretty small indeed: his Micro Tellurium fits the orbit of the Earth …read more (https://hackaday.com/2025/06/21/tiny-tellurium-orbits-atop-a-pencil/)

Measurement is Science
https://hackaday.com/2025/06/21/measurement-is-science/

I was watching Ben Krasnow making iron nitride permanent magnets and was struck by the fact that about half of the video was about making a magnetometer – a device …read more (https://hackaday.com/2025/06/21/measurement-is-science/)

Retrotechtacular: 1970s Radio
https://hackaday.com/2025/06/21/retrotechtacular-1970s-radio/

Before YouTube, you had to watch your educational videos on film. In the 1970s, if you studied radio, you might have seen the video from Universal Education and Visual Arts, …read more (https://hackaday.com/2025/06/21/retrotechtacular-1970s-radio/)