The Epochalypse: It’s Y2K, But 38 Years Later
https://hackaday.com/2025/07/22/the-epochalypse-y2k-but-38-years-later/

Picture this: it’s January 19th, 2038, at exactly 03:14:07 UTC. Somewhere in a data center, a Unix system quietly ticks over its internal clock counter one more time. But instead …read more (https://hackaday.com/2025/07/22/the-epochalypse-y2k-but-38-years-later/)

2025 One-Hertz Challenge: Pokémon Alarm Clock Tells You It’s Time to Build the Very Best
https://hackaday.com/2025/07/22/2025-one-hertz-challenge-pokemon-alarm-clock-tells-you-its-time-to-build-the-very-best/

We’ve all felt the frustration of cheap consumer electronics — especially when they aren’t actually cheap. How many of us have said “Who designed this crap? I could do better …read more (https://hackaday.com/2025/07/22/2025-one-hertz-challenge-pokemon-alarm-clock-tells-you-its-time-to-build-the-very-best/)

2025 One Hertz Challenge: A 555, but not as we know it
https://hackaday.com/2025/07/22/2025-one-hertz-challenge-a-555-but-not-as-we-know-it/

We did explicitly ask for projects that use a 555 timer for the One Hertz Challenge, but we weren’t expecting the 555 to be the project. Yet, here we are, …read more (https://hackaday.com/2025/07/22/2025-one-hertz-challenge-a-555-but-not-as-we-know-it/)

Video Tape Hides Video Player
https://hackaday.com/2025/07/22/video-tape-hides-video-player/

While it might not be accurate to say VHS is dead, it’s certainly not a lively format. It continues on in undeath thanks to dedicated collectors and hobbyists, some of …read more (https://hackaday.com/2025/07/22/video-tape-hides-video-player/)

The Hall-Héroult Process on a Home Scale
https://hackaday.com/2025/07/22/the-hall-heroult-process-on-a-home-scale/

Although Charles Hall conducted his first successful run of the Hall-Héroult aluminium smelting process in the woodshed behind his house, it has ever since remained mostly out of reach of …read more (https://hackaday.com/2025/07/22/the-hall-heroult-process-on-a-home-scale/)

Nylon-Like TPU Filament: Testing CC3D’s 72D TPU
https://hackaday.com/2025/07/22/nylon-like-tpu-filament-testing-cc3ds-72d-tpu/

Another entry in the world of interesting FDM filaments comes courtesy of CC3D with their 72D TPU filament, with [Dr. Igor Gaspar] putting it to the test in his recent …read more (https://hackaday.com/2025/07/22/nylon-like-tpu-filament-testing-cc3ds-72d-tpu/)

An Open Source Flow Battery
https://hackaday.com/2025/07/23/an-open-source-flow-battery/