[Usagi Electric] is breathtakingly close to having his Bendix G15 vacuum tube computer up and running. This week he is joined by a new friend, [Lloyd] who is restoring a G15 as well. [Lloyd] used ...

Definitely not in the meme category, though, is this overkill vacuum tube 555 timer. It comes to us via [David Lovett], aka [Usagi Electric], who has lately caught the “hollow state ...

Lee De Forest invented the audion, a vacuum tube device that could take a weak electrical signal and amplify it into a larger one. The audion helped AT&T set up coast-to-coast phone service ...

Image credit: Handbook of Modern Sensors Ionization gauge Vacuum gauges which use ions are similar to vacuum tubes. The relationship between the ion current and the filament is a nearly linear ...

Analysis The early 1940s saw the first vacuum tube computers put to work solving problems beyond the scope of their human ...

The Blestan Cordless Handheld Vacuum Cleaner is a popular choice among Amazon shoppers, with more than 1,000 purchased in the ...

What is the best cordless vacuum? The technology inside cordless vacuums has come a long way over the years. They used to come with drawbacks, like limited battery life, weak suction power and so on.

Learn more› by Sabine Heinlein To clean carpets and rugs well, you need a vacuum that is equipped for the task. The SEBO Felix Premium and SEBO Airbelt K3 Premium are excellent choices.

Here are our five top picks for the best robotic vacuum and mop combos now available. Pro Tip: When choosing your ideal two-in-one robot for floor cleaning, first determine the amount of floor ...

(If you’re curious about hybrid models that can vacuum and mop, we have some information on those, too.) This bot is a top-notch cleaner and a great navigator that avoids (most) obstacles while ...

Its attachments all fit onboard and the nozzle hooks into place on the canister itself, virtually eliminating the potential for cartoon-like vacuum hose antics. The nozzle tube is also telescopic ...

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 ...