A Toolchanging Inverse SCARA 3D Printer
https://hackaday.com/2025/10/18/a-toolchanging-inverse-scara-3d-printer/

There are some times when a picture, or better yet a video, really is worth a thousand words, and [heinz]’s dual-disk polar 3D printer is one of those projects. Perhaps …read more (https://hackaday.com/2025/10/18/a-toolchanging-inverse-scara-3d-printer/)

2025 Component Abuse Challenge: A Self-Charging LED Flasher By Burkhard Kainka
https://hackaday.com/2025/10/18/2025-component-abuse-challenge-a-self-charging-led-flasher-by-burkhard-kainka/

[Tito] entered a Self-Charging LED Flasher into the Component Abuse Challenge. It’s a simple re-build of a design by the unstoppable [Burkhard Kainka], and while [Tito] doesn’t explain its workings …read more (https://hackaday.com/2025/10/18/2025-component-abuse-challenge-a-self-charging-led-flasher-by-burkhard-kainka/)

Was The Napier Nomad The Most Complex Aero Engine Ever Made?
https://hackaday.com/2025/10/18/was-the-napier-nomad-the-most-complex-aero-engine-ever-made/

https://www.youtube.com/watch?v=J7Sdb022Vsk
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2025/10/Screenshot-2025-10-17-101403-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/10/Screenshot-2025-10-17-101403-featured.png?w=800">From 1945 to 1955, a British aeronautical company called Napier & Son produced not just one but two versions of an intricate hybrid piston engine, which they named the Napier …read more (https://hackaday.com/2025/10/18/was-the-napier-nomad-the-most-complex-aero-engine-ever-made/)

JLCPCB Locking Accounts, Mentions “Risky IP Addresses, Activities”
https://hackaday.com/2025/10/19/jlcpcb-locking-accounts-mentions-risky-ip-addresses-activities/

In the past week, a few forum and Reddit threads have popped up, with people stating that JLCPCB has emailed them with a notice, saying their accounts are set up …read more (https://hackaday.com/2025/10/19/jlcpcb-locking-accounts-mentions-risky-ip-addresses-activities/)

Decoding a 350 Year Old Coded Message
https://hackaday.com/2025/10/19/decoding-a-350-year-old-coded-message/

Usually, a story about hacking a coded message will have some computer element or, at least, a machine like an Enigma. But [Ruth Selman] recently posted a challenge asking if …read more (https://hackaday.com/2025/10/19/decoding-a-350-year-old-coded-message/)

Filming at the Speed of Light, About One Foot per Nanosecond
https://hackaday.com/2025/10/19/filming-at-the-speed-of-light-about-one-foot-per-nanosecond/

[Brian Haidet] published on his AlphaPhoenix channel a laser beam recorded at 2 billion frames per second. Well, sort of. The catch? It’s only a one pixel by one pixel …read more (https://hackaday.com/2025/10/19/filming-at-the-speed-of-light-about-one-foot-per-nanosecond/)

The MSL10 Mechanosensor Makes Venus Flytrap Plants Touchy
https://hackaday.com/2025/10/19/the-msl10-mechanosensor-makes-venus-flytrap-plants-touchy/