bring a tube into circuit
1computer — computerlike, adj. /keuhm pyooh teuhr/, n. 1. Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Cf. analog… …
2photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
3NSA warrantless surveillance controversy — For the related controversy about data mining of domestic call records see NSA call database. National Security Agency logo The NSA warrantless surveillance controversy (AKA Warrantless Wiretapping ) concerns surveillance of persons within the… …
4human cardiovascular system — ▪ anatomy Introduction organ system that conveys blood through vessels to and from all parts of the body, carrying nutrients and oxygen to tissues and removing carbon dioxide and other wastes. It is a closed tubular system in which the… …
5Transcendental Meditation technique — This article is about the technique. For the movement, see Transcendental Meditation movement. The Transcendental Meditation technique is a specific form of mantra meditation[1] often referred to as Transcendental Meditation. It was introduced in …
6Charles Wheatstone — Wheatstone, drawn by Samuel Laurence in 1868 Born 6 …
7Particle accelerator — Atom smasher redirects here. For other uses, see Atom smasher (disambiguation). A 1960s single stage 2 MeV linear Van de Graaff accelerator, here opened for maintenance A particle accelerator[1] is a device that uses electromagnetic fields to… …
8Electro-Harmonix — is a New York based company that makes electronic sound processors. The company was founded by Mike Matthews in 1968. They are most famous for a series of popular guitar effects pedals introduced in the 1970s and 1990s. Company history First… …
9keyboard instrument — ▪ music Introduction any musical instrument on which different notes can be sounded by pressing a series of keys, push buttons, or parallel levers. In nearly all cases in Western music the keys correspond to consecutive notes in the… …
10Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …
