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/

The flow battery is one of the more interesting ideas for grid energy storage – after all, how many batteries combine electron current with fluid current? If you’re interested in …read more (https://hackaday.com/2025/07/23/an-open-source-flow-battery/)

Annealing in Space: How NASA Saved JunoCam in Orbit Around Jupiter
https://hackaday.com/2025/07/23/annealing-in-space-how-nasa-saved-junocam-in-orbit-around-jupiter/

The Juno spacecraft was launched towards Jupiter in August of 2011 as part of the New Frontiers series of spacecraft, on what would originally have been a 7-year mission, including …read more (https://hackaday.com/2025/07/23/annealing-in-space-how-nasa-saved-junocam-in-orbit-around-jupiter/)

The Death of Industrial Design and the Era of Dull Electronics
https://hackaday.com/2025/07/23/the-death-of-industrial-design-and-the-era-of-dull-electronics/