Quirky Electric Car Rides the Rails
https://hackaday.com/2026/04/19/quirky-electric-car-rides-the-rails/

We wouldn’t be surprised if you’d never seen the Spira before. The lightweight three-wheel vehicle is closer to a go-kart than a traditional car, and that’s before you even get …read more (https://hackaday.com/2026/04/19/quirky-electric-car-rides-the-rails/)

DIY Nuclear Battery with PV Cells and Tritium
https://hackaday.com/2026/04/20/diy-nuclear-battery-with-pv-cells-and-tritium/

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/