QR codes are something that we all take for granted in this day and age. There are even a million apps to create your own QR codes, but what if …read more (https://hackaday.com/2025/06/23/visual-code-generator-to-end-all-generators/)

Earth’s Oxygen Levels and Magnetic Field Strength Show Strong Correlation
https://hackaday.com/2025/06/23/earths-oxygen-levels-and-magnetic-field-strength-show-strong-correlation/

In an Earth-sized take on the age-old ‘correlation or causality’ question, researchers have come across a fascinating match between Earth’s magnetic field and its oxygen levels since the Cambrian explosion, …read more (https://hackaday.com/2025/06/23/earths-oxygen-levels-and-magnetic-field-strength-show-strong-correlation/)

Eulogy for the Satellite Phone
https://hackaday.com/2025/06/23/eulogy-for-the-satellite-phone/

We take it for granted that we almost always have cell service, no matter where you go around town. But there are places — the desert, the forest, or the …read more (https://hackaday.com/2025/06/23/eulogy-for-the-satellite-phone/)

Head to Print Head: CNC vs FDM
https://hackaday.com/2025/06/23/head-to-print-head-cnc-vs-fdm/

It’s a question new makers often ask: “Should I start with a CNC machine or a 3D Printer?”– or, once you have both, every project gets the question “Should I …read more (https://hackaday.com/2025/06/23/head-to-print-head-cnc-vs-fdm/)

Video Game Preservation Through Decompilation
https://hackaday.com/2025/06/23/video-game-preservation-through-decompilation/

Unlike computer games, which smoothly and continuously evolved along with the hardware that powered them, console games have up until very recently been constrained by a generational style of development. …read more (https://hackaday.com/2025/06/23/video-game-preservation-through-decompilation/)

Keep Track of the Compost with LoRaWAN
https://hackaday.com/2025/06/23/keep-track-of-the-compost-with-lorawan/

Composting doesn’t seem difficult: pile up organic matter, let it rot. In practice, however, it’s a bit more complicated– if you want that sweet, sweet soil amendment in a reasonable …read more (https://hackaday.com/2025/06/23/keep-track-of-the-compost-with-lorawan/)

Casting Time: Exploded Watch in Resin
https://hackaday.com/2025/06/23/casting-time-exploded-watch-in-resin/

We’ve all seen the exploded view of complex things, which CAD makes possible, but it’s much harder to levitate parts in their relative positions in the real world. That, however, …read more (https://hackaday.com/2025/06/23/casting-time-exploded-watch-in-resin/)

Modern Tech Meets Retro 7-Segment
https://hackaday.com/2025/06/23/modern-tech-meets-retro-7-segment/