Nuclear batteries are pretty simple devices that are conceptually rather similar to photovoltaic (PV) solar, just using the radiation from a radioisotope rather than solar radiation. It’s also possible to …read more (https://hackaday.com/2026/04/20/diy-nuclear-battery-with-pv-cells-and-tritium/)

Flash Joule Heating Recovers The Good Stuff
https://hackaday.com/2026/04/20/flash-joule-heating-recovers-the-good-stuff/

Rare earth materials are a hot button topic these days. They’re important for everything from electric vehicles to defence hardware, they’re valuable, and everyone wishes they had some to dig …read more (https://hackaday.com/2026/04/20/flash-joule-heating-recovers-the-good-stuff/)

DIY Weather Stations Report In From Chernobyl
https://hackaday.com/2026/04/20/diy-weather-stations-report-in-from-chernobyl/

You’re probably not going to hang out around Chernobyl any time soon. Still, knowing the conditions there can both satisfy your curiosity and provide scientific value. To that end, [Yury …read more (https://hackaday.com/2026/04/20/diy-weather-stations-report-in-from-chernobyl/)

Why Some S3 Videocards Have a Brightness Issue
https://hackaday.com/2026/04/21/why-some-s3-videocards-have-a-brightness-issue/

Once a pioneer in videocards, S3’s legacy is today mostly found in details like texture compression as well as the strong presence of S3-branded videocards in the retro-computing world. There’s …read more (https://hackaday.com/2026/04/21/why-some-s3-videocards-have-a-brightness-issue/)

Flipper Zero Transmits APRS With No Extra Parts
https://hackaday.com/2026/04/21/flipper-zero-transmits-aprs-with-no-extra-parts/

APRs is an amateur radio protocol allowing the exchange of short packets of data. It’s commonly used to transmit a GPS position, though it can find other applications. The Flipper …read more (https://hackaday.com/2026/04/21/flipper-zero-transmits-aprs-with-no-extra-parts/)

SuperDisk: The Better Floppy That Never Caught On
https://hackaday.com/2026/04/21/superdisk-the-better-floppy-that-never-caught-on/

Once the microcomputer era got going in earnest, the floppy disk quickly supplanted the tape as the portable storage method of choice. They were never particularly large, but they were …read more (https://hackaday.com/2026/04/21/superdisk-the-better-floppy-that-never-caught-on/)

CAN Bus Analyzer Runs In Your Browser
https://hackaday.com/2026/04/21/can-bus-analyzer-runs-in-your-browser/

If you’ve got a modern car, truck, or tractor, it’s probably got a CAN bus or three that is bouncing data all around the vehicle. Listening in on these transmissions …read more (https://hackaday.com/2026/04/21/can-bus-analyzer-runs-in-your-browser/)