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 ...

Scientists in a lab in China have developed a remarkable vacuum tube that could help make a game-changer electronic warfare device, according to a report. They developed a miniaturized traveling-wave ...

China is developing a next generation maglev train designed to reach speeds of up to 1,000 kmh using magnetic levitation and low vacuum tubes. This video explores the technology behind the system, how ...

Despite the oldest solid state audio circuitry now qualifying for a pension and a bus pass where this is being written, the thermionic tube retains a foothold in the world of audio — cherished by ...

Millimeter wave vacuum tubes, including ones like the traveling wave tube (TWT) depicted here, amplify signals by exchanging kinetic energy in the electron beam (shown as a blue line) with ...

Back to the future: LG Electronics has seemingly adopted a retro design language heading into CES. The South Korean tech giant recently debuted a new 4K smart projector that looks like an old-school ...

These new cans try to restore some of the warmth and realism that digital compression takes away. Photo: Morpho MFG This post’s headline sounds like a joke, invoking technology used in antique radios, ...

Forbes contributors publish independent expert analyses and insights. Brad Moon covers audio gear, Apple products and consumer tech. This article is more than 7 years old. Analog audio is having a ...