It all began with a cheap Chinese rotary vane vacuum pump and a desire to learn the witchcraft of DIY vacuum tubes. It ended with a string of successes – a working vacuum chamber, light bulbs, glow ...

There’s a Blue Bendix in Texas, and thanks to [Usagi Electric] it’s the oldest operating computer in North America. The Bendix G-15, a vacuum tube computer originally released in 1956, is now booting, ...

For most electrical engineers, the vacuum tube or, more formally, the vacuum electron device (VED), is a quaint curiosity and artifact of the past, and with good reason: The world of solid-state ...

The transistor revolutionized the world and made the abundant computing we now rely on a possibility, but before the transistor, there was the vacuum tube. Large, hot, power hungry, and prone to ...

Editor’s Note: This is the second in our on-going What It’s Worth series that keeps you up to date on what’s hot in Antique Technology. For Part 1, click here ...

Virgin Hyperloop One is testing a system that would put passengers in pods hurtling through vacuum tubes. Other companies are moving ahead with similar plans. The tube used for unmanned testing by ...

SōLIS, an audio brand that has been around for four decades, is constantly evolving. Many of its current offerings pair with Google Home and Chromecast devices and it made a nice showing at CES with ...

GIVEN a well-equipped physical laboratory and an ex pert glass blower as assistant, one could pass many a pleasant hour in repeating the experiments described in this little book. The phenomena ...