[Usagi Electric] is breathtakingly close to having his Bendix G15 vacuum tube computer up and running ... [Usagi] was able to verify this with the test panel inside the machine.

A test vehicle was levitated and zipped through a tube at a testing facility for the ... 2 1/2 meters (more than eight feet) in diameter. A vacuum pump sucks out the air to reduce the internal ...

Vacuum tubes fueled a technological revolution. They made the amplification of signals a reality for transatlantic telephone cables (and transcontinental ones too), they performed logic for early ...

A vacuum tube is just that: a glass tube surrounding a vacuum (an area from which all gases have been removed). What makes it interesting is that when electrical contacts are put on the ends ...