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A vacuum-tube computer, now termed a first-generation computer, is a computer that uses vacuum tubes for logic circuitry. While the history of mechanical aids to computation goes back centuries, if not millennia, the history of vacuum tube computers is confined to the middle of the 20th century. Lee De Forest invented the triode in 1906.
Invidious is a free and open-source alternative frontend to YouTube. [2] [3] It is available as a Docker container, [4] or from the GitHub master branch. [5] It is intended to be used as a lightweight and "privacy-respecting" alternative to the official YouTube website. [2] Many privacy preserving redirecting software as well as YouTube clients ...
Nixie tube. The ten digits of a GN-4 Nixie tube. A Nixie tube ( English: / ˈnɪk.siː / NIK-see ), or cold cathode display, [1] is an electronic device used for displaying numerals or other information using glow discharge . Inside a broken Nixie tube. The glass tube contains a wire-mesh anode and multiple cathodes, shaped like numerals or ...
An artist's depiction of a 2000s-era desktop-style personal computer, which includes a metal case with the computing components, a display monitor and a keyboard (mouse not shown) A personal computer, often referred to as a PC, is a computer designed for individual use. [1] It is typically used for tasks such as word processing, internet ...
Tuberculin, also known as purified protein derivative, is a combination of proteins that are used in the diagnosis of tuberculosis. [1] This use is referred to as the tuberculin skin test and is recommended only for those at high risk. [2] Reliable administration of the skin test requires large amounts of training, supervision, and practice ...
Tuber oregonense, commonly known as the Oregon white truffle, is a species of edible truffle in the genus Tuber. Described as new to science in 2010, the North American species is found on the western coast of the United States, from northern California to southern British Columbia west of the Cascade Range. A mycorrhizal fungus, it grows in a ...
The physiology of M. tuberculosis is highly aerobic and requires high levels of oxygen. Primarily a pathogen of the mammalian respiratory system, it infects the lungs. The most frequently used diagnostic methods for tuberculosis are the tuberculin skin test, acid-fast stain, culture, and polymerase chain reaction.
Tuber. Ulluku ( Ullucus tuberosus) tubers. Tubers are a type of enlarged structure used as storage organs for nutrients in some plants, derived from stems or roots. Tubers help plants perennate (survive winter or dry months), provide energy and nutrients, and are a means of asexual reproduction. [1]