“You should have used a 555” has become a bit of a meme around these parts lately, and for good reason. There seems to be little that these ubiquitous chips can’t be used for, and in a world where ...

Culminating a year-long project, [Usagi Electric] aka [David] has just wrapped up his single-bit vacuum tube computer. It is based on the Motorola MC14500 1-bit industrial controller, but since [David ...

In the 1800s, when pneumatic tubes shot telegrams and small items all around buildings and sometimes small cities, the future of mass transit seemed clear: we'd be firing people around through these ...

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 ...

In today's world, vacuum tubes or radio valves seem as dead as high button shoes and buggy whips, but DARPA sees them as very much the technology of the future. As part of a new program, the agency is ...

Vacuum tubes disappeared from electronic products years ago. Yet there have been some lingering vacuum tube-based products in production. The last major vacuum tube retirement was the long-lasting ...

A cup of coffee and a story about a legendary machine This is a column that can be read in about 10 minutes. Please enjoy it ...

Mike’s Tube Computer MK3 packs 460 vintage vacuum tubes into a working 8-bit machine that makes computing visible.

Key points of this article Just using a vacuum tube amplifier will not result in good sound. Many vacuum tube amplifiers have ...

There was a time when the vacuum tube was practically synonymous with electronics. Then, about sixty years ago, semiconductors began to replace tubes in one application after another until tubes ...

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