Mining and Refining: Drilling and Blasting
https://hackaday.com/2025/06/24/mining-and-refining-drilling-and-blasting/

It’s an inconvenient fact that most of Earth’s largesse of useful minerals is locked up in, under, and around a lot of rock. Our little world condensed out of the …read more (https://hackaday.com/2025/06/24/mining-and-refining-drilling-and-blasting/)

Why Trijets Lost Against Twinjets
https://hackaday.com/2025/06/24/why-trijets-lost-against-twinjets/

If you’re designing a new jet-powered airplane, one of the design considerations is the number of jet engines you will put on it. Over the course of history we have …read more (https://hackaday.com/2025/06/24/why-trijets-lost-against-twinjets/)

Announcing the 2025 Pet Hacks Winners
https://hackaday.com/2025/06/24/announcing-the-2025-pet-hacks-winners/

When you really love your pawed, feathered, or scaled friends, you build projects for them. (Well, anyway, that’s what’s happened to us.) For the 2025 Pet Hacks Challenge, we asked …read more (https://hackaday.com/2025/06/24/announcing-the-2025-pet-hacks-winners/)

Do You Need a Bench Meter?
https://hackaday.com/2025/06/24/do-you-need-a-bench-meter/

If you do anything with electronics or electricity, it is a good bet you have a multimeter. Even the cheapest meter today would have been an incredible piece of lab …read more (https://hackaday.com/2025/06/24/do-you-need-a-bench-meter/)

Pong in Discrete Components
https://hackaday.com/2025/06/24/pong-in-discrete-components/

The choice between hardware and software for electronics projects is generally a straighforward one. For simple tasks we might build dedicated hardware circuits out of discrete components for reliability and …read more (https://hackaday.com/2025/06/24/pong-in-discrete-components/)

Digitally-Converted Leica Gets A 64-Megapixel Upgrade
https://hackaday.com/2025/06/24/digitally-converted-leica-gets-a-64-megapixel-upgrade/

Leica’s film cameras were hugely popular in the 20th century, and remain so with collectors to this day. [Michael Suguitan] has previously had great success converting his classic Leica into …read more (https://hackaday.com/2025/06/24/digitally-converted-leica-gets-a-64-megapixel-upgrade/)

NREL Maps Out US Data Infrastructure
https://hackaday.com/2025/06/24/nrel-maps-out-us-data-infrastructure/

Spending time as wee hackers perusing the family atlas taught us an appreciation for a good map, and [Billy Roberts], a cartographer at NREL, has served up a doozy with …read more (https://hackaday.com/2025/06/24/nrel-maps-out-us-data-infrastructure/)