Culminating a year-long project, [Usagi Electric] aka [David] has just wrapped up his single-bit vacuum tube computer ... blocks to build before the whole system is complete — Program Control ...

Bell Labs made use of it for its coast to coast phone system and vacuum tubes soon found their way into everything from hearing aids to radios to televisions.

The VirtuPVT system, conceived for rooftop applications, includes an absorber plate, monocrystalline PERC solar cells, a borosilicate vacuum tube, an integrated reflector, and an integrated ...

If transistors could replace vacuum tubes in the phone system, then they certainly could replace them in computers too. The army, with its need for ever-faster and more efficient calculations ...

Poland-based Feliks Audio specializes in high-end vacuum tube audio products including a line of rather unique headphone ...

Bourdon vacuum gauges are composed of a tube which is bent into a circular arc. The inside of the tube is connected to the vacuum system and the end of the tube bends as the external pressure changes.

Nixie tubes, Vacuum Florescent Displays (VFD), micro projection systems, you name it. All of them had advantages and drawbacks. One of the simplest ways to display data was the RCA Numitron.

Read more: 10 Of The Most Reliable Mazda Engines Ever Built China's newest maglev system doesn't utilize an open track like ...

Armand Maillet enjoyed traveling the United States in his Winnebago with his wife, and visiting their family. He loved ...

The best Shark vacuums offer a wide range of features. We tested customer favorites head-to-head; see our results and reviews ...

Some models offer retractable cords and incorporated tube-management systems. The greater the motor strength, the more powerful the suction of the vacuum. Power for an ash vacuum is rated in amps ...