Designing a Simpler Cycloidal Drive
https://hackaday.com/2025/12/11/designing-a-simpler-cycloidal-drive/

Cycloidal drives have an entrancing motion, as well as a few other advantages – high torque and efficiency, low backlash, and compactness among them. However, much as [Sergei Mishin] likes …read more (https://hackaday.com/2025/12/11/designing-a-simpler-cycloidal-drive/)

Step into my Particle Accelerator
https://hackaday.com/2025/12/11/step-into-my-particle-accelerator/

If you get a chance to visit a computer history museum and see some of the very old computers, you’ll think they took up a full room. But if you …read more (https://hackaday.com/2025/12/11/step-into-my-particle-accelerator/)

DIY Synth Takes Inspiration From Fretted Instruments
https://hackaday.com/2025/12/11/diy-synth-takes-inspiration-from-fretted-instruments/

There are a million and one MIDI controllers and synths on the market, but sometimes it’s just more satisfying to make your own. [Turi Scandurra] very much went his own …read more (https://hackaday.com/2025/12/11/diy-synth-takes-inspiration-from-fretted-instruments/)

Consider This Pocket Machine For Your iPhone Backups
https://hackaday.com/2025/12/12/consider-this-pocket-machine-for-your-iphone-backups/

What if you find yourself as an iPhone owner, desiring a local backup solution — no wireless tech involved, no sending off data to someone else’s server, just an automatic …read more (https://hackaday.com/2025/12/12/consider-this-pocket-machine-for-your-iphone-backups/)

NASA May Have Lost the MAVEN Mars Orbiter
https://hackaday.com/2025/12/12/nasa-may-have-lost-the-maven-mars-orbiter/

When the orbit of NASA’s Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft took it behind the Red Planet on December 6th, ground controllers expected a temporary loss of signal (LoS). …read more (https://hackaday.com/2025/12/12/nasa-may-have-lost-the-maven-mars-orbiter/)

This Week in Security: Hornet, Gogs, and Blinkenlights
https://hackaday.com/2025/12/12/this-week-in-security-hornet-gogs-and-blinkenlights/

Microsoft has published a patch-set for the Linux kernel, proposing the Hornet Linux Security Module (LSM). If you haven’t been keeping up with the kernel contributor scoreboard, Microsoft is #11 …read more (https://hackaday.com/2025/12/12/this-week-in-security-hornet-gogs-and-blinkenlights/)

Weird Email Appliance Becomes AI Terminal
https://hackaday.com/2025/12/12/weird-email-appliance-becomes-ai-terminal/