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 ...

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 ...

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 ...

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 ...

The eastern bluebird is a species familiar to millions in eastern North America. Polytypic. Length 7" (17.5 cm). Male: bright blue above, with orange throat, ear surround, chest, sides ...

Vacuum sealing keeps the air out and the food fresh but certain foods don't take well to this practice. David lives in Brooklyn where he's spent more than a decade covering all things edible ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...

This bagged canister vacuum excels on both bare floors and carpets ... motorized brush roll that lifts and agitates dirt into the tube. Because it’s self-propelled, the cleaner head glides ...

July 2024 A small apartment with a few area rugs has very different vacuum needs than a 2,000-square-foot house with wall-to-wall carpeting. The right vacuum for you also depends on your physical ...

to a tube with water in it. The stronger the suction, the higher the water is lifted. Trevor Raab Using our water lift gauge to measure suction. Vacuum manufacturers tend to list vacuum strength ...

[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 ...