There’s still a mystique around vacuum tubes long after they were rendered obsolete by solid state devices, and many continue to experiment with them. They can be bought new, but most of us ...

[Usagi Electric] is breathtakingly close to having his Bendix G15 vacuum tube computer up and running. This week he is joined by a new friend ... verify this with the test panel inside the ...

Its pod reached 463km/h (288mph) on the current test tube in the US, which runs for 1.6km straight. Mr Musk said the new vacuum tube would be curved. Ultimately, Hyperloop trains will aim for a ...

This was the first full-size trial of the UHS low-vacuum tube magnetic levitation transportation system. Various reports by ...