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 ...

The Russian invasion of Ukraine has snarled the supply chain for many products. WAMC’s Southern Adirondack Bureau Chief Lucas Willard reports on how some local retailers are dealing with a shortage in ...

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 ...

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 ...

A new type of transistor is being developed by scientists at the NASA Ames Research Center that meshes together the best aspect of semiconductors and traditional vacuum-tube technology. This ...

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, ...

The video explains the operation of the vacuum tube, specifically the triode, which is essential in modern communication devices like radios and telephones. It describes how a tungsten filament emits ...

Priced from $10,000, the Feliks Audio Envy Meisterwerk headphone amplifier features all analog circuitry with 300B vacuum tubes. At its core, the Envy Meisterwerk incorporates Western Electric 300B ...

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 ...