Should You Try Printing with Polypropylene?
https://hackaday.com/2025/08/18/should-you-try-printing-with-polypropylene/

Of all the plastics that surround us on the daily, the one we hear least about in the 3D printing world is probably polypropylene (PP). Given that this tough, slightly …read more (https://hackaday.com/2025/08/18/should-you-try-printing-with-polypropylene/)

How Laser Headlights Died In The US
https://hackaday.com/2025/08/18/how-laser-headlights-died-in-the-us/

Automotive headlights started out burning acetylene, before regular electric lightbulbs made them obsolete. In due time, halogen bulbs took over, before the industry began to explore even newer technologies like …read more (https://hackaday.com/2025/08/18/how-laser-headlights-died-in-the-us/)

2025 One Hertz Challenge: Timekeeping at One Becquerel
https://hackaday.com/2025/08/18/2025-one-hertz-challenge-timekeeping-at-one-becquerel/

The Becquerel (Bq) is an SI unit of radioactivity: one becquerel is equivalent to one radioactive decay per second. That absolutely does not make it equivalent to one hertz — …read more (https://hackaday.com/2025/08/18/2025-one-hertz-challenge-timekeeping-at-one-becquerel/)

I, 3D Printer
https://hackaday.com/2025/08/18/i-3d-printer/

Like many of us, [Ben] has too many 3D printers. What do you do with the old ones? In his case, he converted it into a robotic camera rig. See …read more (https://hackaday.com/2025/08/18/i-3d-printer/)

Adjustable Allen Key After All These Years
https://hackaday.com/2025/08/18/adjustable-allen-key-after-all-these-years/

The Allen key turns 115 this year. It’s strange to believe that in all that time, no one has come up with an adjustable version, but apparently true. Luckily [Chronova …read more (https://hackaday.com/2025/08/18/adjustable-allen-key-after-all-these-years/)

The PC In Your Pico
https://hackaday.com/2025/08/18/the-pc-in-your-pico/

We’re all used to emulating older computers here, and we’ve seen plenty of projects that take a cheap microcontroller and use it to emulate a classic home computer or gaming …read more (https://hackaday.com/2025/08/18/the-pc-in-your-pico/)

Silent Speak and Spell Gets Its Voice Back
https://hackaday.com/2025/08/18/silent-speak-and-spell-gets-its-voice-back/