Hackaday has published a series of articles on various topics, including upcycling an old router, a new marketplace, and innovative solutions such as ultra-long range flights and desalinating seawater with solar power. The articles also cover tech repairs, like fixing a USB current draw issue, and eco-friendly challenges, including the use of green power and reusable 3D printing materials. These stories appear to be part of Hackaday's regular links series, which features a range of technology and innovation-related content.