The aerospike engine holds great promise for spaceflight, but for various reasons, has remained slightly out of reach for decades. But thanks to Leap 71, the technology has moved one …read more (https://hackaday.com/2025/07/10/generatively-designed-aerospike-test-fired/)

An Emulated Stroll Down Macintosh Memory Lane
https://hackaday.com/2025/07/10/an-emulated-stroll-down-macintosh-memory-lane/

If you’re into Macs, you’ll always remember your first. Maybe it was the revolutionary classic of 1984 fame, perhaps it was the adorable G3 iMac in 1998, or even a …read more (https://hackaday.com/2025/07/10/an-emulated-stroll-down-macintosh-memory-lane/)

Ask Hackaday: Are You Wearing 3D Printed Shoes?
https://hackaday.com/2025/07/10/ask-hackaday-are-you-wearing-3d-printed-shoes/

We love 3D printing. We’ll print brackets, brackets for brackets, and brackets to hold other brackets in place. Perhaps even a guilty-pleasure Benchy. But 3D printed shoes? That’s where we …read more (https://hackaday.com/2025/07/10/ask-hackaday-are-you-wearing-3d-printed-shoes/)

Long Live RSS!
https://hackaday.com/2025/07/10/long-live-rss/

While we know that many of you are reading Hackaday via our Really Simple Syndication (RSS) feed, we suspect that most people on the street wouldn’t know that it underlies …read more (https://hackaday.com/2025/07/10/long-live-rss/)

Personal Reflections on Immutable Linux
https://hackaday.com/2025/07/10/personal-reflections-on-immutable-linux/

Immutable distributions are slowly spreading across the Linux world– but should you care? Are they hacker friendly? What does “immutable” mean, anyway? Immutable means “not subject or susceptible to change” …read more (https://hackaday.com/2025/07/10/personal-reflections-on-immutable-linux/)

Voltage Divider? Filter? It’s Both!
https://hackaday.com/2025/07/10/voltage-divider-filter-its-both/

When we do textbook analysis, we tend to ignore the real-world concerns for the sake of learning. So, a typical theoretical voltage divider is simply two resistors. But if you …read more (https://hackaday.com/2025/07/10/voltage-divider-filter-its-both/)

Embedded USB Debug for Snapdragon
https://hackaday.com/2025/07/10/embedded-usb-debug-for-snapdragon/

According to [Casey Connolly], Qualcomm’s release of how to interact with their embedded USB debugging (EUD) is a big deal. If you haven’t heard of it, nearly all Qualcomm SoCs …read more (https://hackaday.com/2025/07/10/embedded-usb-debug-for-snapdragon/)

Hacking a Guitar into a Hurdy-Gurdy Hybrid with 3D Prints
https://hackaday.com/2025/07/10/hacking-a-guitar-into-a-hurdy-gurdy-hybrid-with-3d-prints/