The video explains the operation of the vacuum tube, specifically the triode, which is essential in modern communication ...

Restoring a vintage radio receiver has the potential to be a fun weekend project, but it pays to know what you’re up against. Especially in the case of vacuum tube electronics, running down ...

Getting that single directional flow was critical for radio sets which needed to turn alternating current into direct current. The vacuum tube didn't reach its full maturity until Lee De Forest ...

If you want to enjoy Hi-Res audio on the go, then this new music player from Shanling may be one to check out.

[Helge Fyske (LA6NCA)] may not be an actual spy — then again, he may be; if he’s good at it, we wouldn’t know — but he has built a couple of neat vacuum tube spy radios in the past.

Sony launched the world's first non-projection, fully transistorized television, the TV8-301, in May 1960, about six years ...

Lee De Forest invented the audion, a vacuum tube device that could take a weak electrical signal and amplify it into a larger one. The audion helped AT&T set up coast-to-coast phone service ...

The Fargo Air Museum hosts Dr. Gerald Parker as guest speaker for History Night Tuesday, February 11, 2025. His discovery of radio at a young age led to a passion for history with ...

Headphone brand Écoute has launched a pair of headphones with a vacuum tube and amplification built-in. The headphones are £652 / $799 / AU$1,303. When it comes to listening on the best ...