Tube socket — Left to right: octal (top and bottom view), loctal, and miniature (top and side view) sockets. An early transistor socket and an IC socket are included for comparison. Tube sockets are electrical sockets into which vacuum tubes (also known as… … Wikipedia
History of electromagnetism — The history of electromagnetism, that is the human understanding and recorded use of electromagnetic forces, dates back over two thousand years ago, see Timeline of electromagnetism. The ancients must have been acquainted with the effects of… … Wikipedia
Plasma globe — Not to be confused with Sulfur lamp or Plasma lamp. A plasma globe Plasma globes, or plasma lamps (also called plasma balls, domes, spheres, tubes or orbs, depending on shape), are novelty items that were most popular in the 1980s.[1 … Wikipedia
Electric vehicle battery — Further information: Rechargeable electricity storage system For the starting, lighting and ignition system battery of an automobile, see Automotive battery. A Mitsubishi i MiEV having its batteries installed in Japan … Wikipedia
gasoline engine — Most widely used form of internal combustion engine, found in most automobiles and many other vehicles. Gasoline engines vary significantly in size, weight per unit of power generated, and arrangement of components. The principal type is the… … Universalium
Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… … Wikipedia
Wisdom tooth — A wisdom tooth, in humans, is any of the usually four third molars. Wisdom teeth usually appear between the ages of 17 and 25.[1] Most adults have four wisdom teeth, but it is possible to have more, in which case they are called supernumerary… … Wikipedia
AC power plugs and sockets — See also: Industrial and multiphase power plugs and sockets Plugs and sockets may sometimes combine male and female contacts, but t … Wikipedia
User Datagram Protocol — (UDP) is one of the core protocols of the Internet Protocol Suite. Using UDP, programs on networked computers can send short messages sometimes known as datagrams (using Datagram Sockets) to one another. UDP is sometimes called the Universal… … Wikipedia
Plug-in hybrid — The Chevrolet Volt is the first mass production plug in hybrid available in the United States. A plug in hybrid electric vehicle (PHEV), plug in hybrid vehicle (PHV), or plug in hybrid is a hybrid vehicle which utilizes rechargeable batteries, or … Wikipedia
eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… … Universalium