The ‘biofriendly’ nature of poly(lactic acid) (PLA) filament often gets touted as one of its main advantages over alternatives like PETG, but even a modicum of research ought to inform …read more (https://hackaday.com/2026/10/16/disposing-of-pla-and-why-composting-is-not-an-option/)

This Week in Security: Critical DNS Keys Rotated, Hacking Freezers Isn’t Cool, OpenAI Spies On Itself, and Advanced Hardware Wallet Hacks
https://hackaday.com/2026/10/16/this-week-in-security-critical-dns-keys-rotated-hacking-freezers-isnt-cool-openai-spies-on-itself-and-advanced-hardware-wallet-hacks/

Critical Internet keys changed this week. Did you notice?  The keys behind DNSSEC, the system for cryptographically validating DNS responses, rolled over on October 11 2026. This is the second …read more (https://hackaday.com/2026/10/16/this-week-in-security-critical-dns-keys-rotated-hacking-freezers-isnt-cool-openai-spies-on-itself-and-advanced-hardware-wallet-hacks/)

Braino! Takes the Cheap Yellow Display to School
https://hackaday.com/2026/10/16/braino-takes-the-cheap-yellow-display-to-school/

These days, it’s common to give even very young children a mobile device loaded up with educational software that aims to improve everything from basic motor skills to reading and …read more (https://hackaday.com/2026/10/16/braino-takes-the-cheap-yellow-display-to-school/)

Hackaday Podcast Episode 391: Tuned in to ESP32 SDR, New Old Pagers, and Bugs on Mars
https://hackaday.com/2026/10/16/hackaday-podcast-episode-391-tuned-in-to-esp32-sdr-new-old-pagers-and-bugs-on-mars/

Hackaday Editors Elliot Williams and Tom Nardi start this episode off with a discussion about Philadelphia’s budding hacker conference and the imminent retirement of the EZ80. After considering the parallels …read more (https://hackaday.com/2026/10/16/hackaday-podcast-episode-391-tuned-in-to-esp32-sdr-new-old-pagers-and-bugs-on-mars/)

Fairbuds 2 Teardown Shows Little Glue, Easy Battery Swap
https://hackaday.com/2026/10/16/fairbuds-2-teardown-shows-little-glue-easy-battery-swap/

In a world where wireless earbuds are increasingly seen as devices that you toss into the e-waste bin as soon as they stop working, it’s heartening to see companies take …read more (https://hackaday.com/2026/10/16/fairbuds-2-teardown-shows-little-glue-easy-battery-swap/)

The 10€ Gamepad
https://hackaday.com/2026/10/16/the-10e-gamepad/

We aren’t sure what [Lazy_Duck] is doing with video games, but it must require a lot of controllers. Dismayed at the cost and complexity of commercial gamepads, they started soldering …read more (https://hackaday.com/2026/10/16/the-10e-gamepad/)

Simplifying Slide Rule Calculations with Trig
https://hackaday.com/2026/10/16/simplifying-slide-rule-calculations-with-trig/

[Bob the Science Guy] remembers how to use a slide rule. Even after all these years, it is pretty easy to remember how to multiply and divide. If you can’t …read more (https://hackaday.com/2026/10/16/simplifying-slide-rule-calculations-with-trig/)

The Trials And Tribulations Of Your First Badge
https://hackaday.com/2026/10/16/the-trials-and-tribulations-of-your-first-badge/