Speaking of charm, we just love the amp these tubes went into ... We may have seen other homemade vacuum tubes before — we even recently featured a DIY X-ray tube — but there’s something ...

Crowds packed Hong Kong's biggest Lunar New Year flower market on Tuesday on the eve of the start of the Year of the Snake. The Lunar New Year, the Year of the Snake, begins on January 29. Also called ...

[Simon] wrote in to tell us about a headphone tube amp that he just built. It is based on schematics at diyaudioprojects.com that were actually featured on Hackaday in the past. [Simon’s ...