Glass-based substrates are slowly beginning to push out organic substrates commonly used in PCBs due to often superior material properties. One area where glass substrates have however struggled is with …read more (https://hackaday.com/2026/05/25/through-glass-vias-and-the-long-road-to-glass-substrates/)

Peek Into IBM’s System/360 With Vintage Training Film
https://hackaday.com/2026/05/25/peek-into-ibms-system-360-with-vintage-training-film/

Computing goes hand-in-hand with how to structure and access data, and this internal training film from IBM regarding file organization and data processing with System/360 is from a time when …read more (https://hackaday.com/2026/05/25/peek-into-ibms-system-360-with-vintage-training-film/)

Power from Gravity
https://hackaday.com/2026/05/26/power-from-gravity/

Gravity batteries aren’t exactly a new idea. You can store energy by lifting something heavy, converting kinetic energy into potential energy. To get it back, you let the mass fall …read more (https://hackaday.com/2026/05/26/power-from-gravity/)

Figuring Out What James Webb’s Mysterious Little Red Dots Are
https://hackaday.com/2026/05/26/figuring-out-what-james-webbs-mysterious-little-red-dots-are/

After the James Webb Space Telescope (JWST) began operations in 2022, it soon made a tantalizing discovery in the form of mysterious red dots: small, red-tinted astronomical objects of unknown …read more (https://hackaday.com/2026/05/26/figuring-out-what-james-webbs-mysterious-little-red-dots-are/)

Remember When Flash Drives Were Going To Make Your PC Faster?
https://hackaday.com/2026/05/26/remember-when-flash-drives-were-going-to-make-your-pc-faster/

The 2000s was a decade of great change in the computer industry. The world had grown accustomed to corruptible floppy disks, blue screens of death, and achingly slow load times. …read more (https://hackaday.com/2026/05/26/remember-when-flash-drives-were-going-to-make-your-pc-faster/)

A ZInc Air Battery You Can Make Yourself
https://hackaday.com/2026/05/26/a-zinc-air-battery-you-can-make-yourself/

Zinc air batteries have been a familiar sight for decades in the world of photography, where they provided an environmentally less dangerous alternative to mercury cells. They operate by the …read more (https://hackaday.com/2026/05/26/a-zinc-air-battery-you-can-make-yourself/)

Linux Fu: The Bluetooth Regression
https://hackaday.com/2026/05/26/linux-fu-the-bluetooth-regression/

There’s a line in a [Weird Al] (no relation) song that says, “I upgrade my system at least twice a day…” I know how that is. I primarily use a …read more (https://hackaday.com/2026/05/26/linux-fu-the-bluetooth-regression/)

Tiny C64 PSU Rejects Tradition, Embraces USB
https://hackaday.com/2026/05/26/tiny-c64-psu-rejects-tradition-embraces-usb/