[Usagi Electric] is breathtakingly close to having his Bendix G15 vacuum tube computer ... incredibly complex chain of tube, relay, and mechanical logic has to work. Bravo [Dave] and [Lloyd]!

A vacuum tube is just that: a glass tube surrounding ... The Edison effect, incidentally, is the only piece of scientific work Edison ever did. He was not a scientist but an inventor, a tinkerer.

For most of us, vacuum tubes haven’t appeared in any of our schematics or BOMs in — well, ever. Once mass-manufacturing made reliable transistors cheap enough for hobbyists, vacuum tubes ...

The telephone company had problems with vacuum tubes, too, and hoped to find something ... After two years of frustrating but very exciting work, Bardeen and Brattain created an amplifying circuit ...

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 ...