Angeloleithold (CC BY-SA 3.0) While consumer vacuum tubes might have disappeared from ... Further across Russia in the southern Russian city of Saratov is the Expo-PUL factory, and here is where ...

Then there are chapters on photo-electric devices and various special tubes, while the final chapter of sixty pages gives a résumé of high-vacuum practice, based on material supplied by C.

They finally found the device that could help them do it: Lee De Forest's "audions," the first vacuum tubes. They placed ... and Salt Lake City along the way. But the big celebration didn't ...

THE future of train travel is one step closer to whisking passengers away faster than they’ve ever been before. Following ...

In what feels like news straight out of 2016, a Hyperloop testing facility in Europe has completed the longest-ever vacuum ...

At only $64.99 each, the Apos Ray 6SN7 Select vacuum tubes may deliver the dynamics and authentic sound you’ve been seeking. Few tubes have as storied a history as the 6SN7GT originally announced in ...

A bank of blinking lights indicate the mysterious processes going on within: That classic symbol of a computer has lasted long after computers evolved into friendly desktop tools. This was not a ...

The employer of a man who died while cleaning the city of Blair's water tank has settled citations issued by OSHA.

the city's chief engineer, Yu Haibo, led me to the roof of the restaurant for another view. First we clambered over the hotel's solar-thermal system, an array of vacuum tubes that takes the sun's ...

It turned out that the vacuum tube had become blocked ... but as a financial hub it remained supreme. The City of London sat at the centre of a web of banks, telegraph lines and the deepest ...

“Incorporating it presented several challenges, such as structural engineering complexities to overcome forces due to the ...

Glocusent’s Bookmark Style Reading Light is the perfect gift for those who burn the midnight oil reading. The clip-on USB ...