The vacuum tubes used as power amplifiers in microwave systems may be on their way out following the development by a research team from US-based Agere Systems of a solid-state microtriode that can be ...

Although we do often see projects that take antiques and replace some or all of their components with modern equipment, we can also sympathize with the view that (when possible and practical) certain ...

It was a cold January Saturday night in Chicago and we had big plans. Buddy Guy’s Legends bar was packed. We setup directly under one of the PA speakers less than 15′ from the stage. Time to celebrate ...

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 ...

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 ...

CES 2024 is just around the corner and tech companies are already providing sneak peeks of what we can expect to see on the ground in Las Vegas. LG is bringing a range of wonderful, weird gadgets to ...

The Linear Tube Audio MZ3 has a new challenger for the title of best headphone amplifier below $3,500. During periods of instability, consumers tend to gravitate to brands that they trust. People want ...

One of the topics we've covered multiple times at ExtremeTech is the difficulty of continuing to scale semiconductor technology, and the related problem of improving chip performance without ...