[Usagi Electric] is breathtakingly close to having his Bendix G15 vacuum tube computer up ... The AC power spins the fans and makes the tubes start glowing. But DC makes the magic happen.

There’s something oddly menacing about some vacuum tubes. The glass, the glowing filaments, the strange metal grids and wires suspended within – all those lead to a mysterious sci-fi look and ...

Battery life could be better, but the tradeoff is that glowing valve ... These headphones to be exact — the écoute Vacuum Tube headphones. I’m going to take you through my time with the ...