A vacuum tube is just that: a glass tube surrounding a vacuum (an area from which all gases have been removed). What makes it interesting is that when electrical contacts are put on the ends ...

Vacuum tubes are electronic components used to amplify, switch, modify and/or create analog signals by controlling the movement of electrons in low-pressure spaces. These components are used in ...

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 ...

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

The telephone company had problems with vacuum tubes, too, and hoped to find something else to use for switching telephone calls. The idea of somehow using semiconductors (solid materials such as ...

Among the Stratos' bells and whistles are an odor diffuser, headlights and an LCD screen that displays battery life and lets you know when the floor is truly clean. At 0.7 liters, the dust cup is ...

You can always find some great discounts on brands like iRobot, Shark, and KenmoreBy Samantha B. GordonWhether your vacuum is ...

Learn more› by Sabine Heinlein Only a powerful plug-in upright or canister vacuum can truly deep-clean your carpets and floors. We recommend four. by Sabine Heinlein Robot vacuums never get ...

Here’s how it works. The best vacuum cleaner will suck up dirt and debris in no time and be powerful enough to make light work of tough tasks. Not only should they keep your floors spotless ...

All vacuum cleaners can pick up dirt and dust, but the best vacuums go a step further with powerful suction that works on all types of flooring, allowing you to clean your home quickly and ...

If you’re looking for a unique way of heating your workshop this year, you could do worse than build an 8-bit computer with a bunch of 6N3P vacuum tubes. While there are some technical details ...

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.