Touch switch — A touch switch is a type of switch that only has to be touched by an object of greater capacitance to operate. It is used in many lamps and wall switches that have a metal exterior as well as on public computer terminals.A touchscreen includes an … Wikipedia
Fluorescent lamp — A fluorescent lamp or fluorescent tube is a gas discharge lamp that uses electricity to excite mercury vapor. The excited mercury atoms produce short wave ultraviolet light that then causes a phosphor to fluoresce, producing visible light.Unlike… … Wikipedia
Tanning lamp — Tanning lamps (sometimes called tanning bulbs in the United States or tanning tubes in Europe) are the part of a tanning bed, booth or other tanning device which produces ultraviolet light responsible for tanning. While there are literally… … Wikipedia
Body capacitance — is a biological property of the human body that makes it a good capacitor and able to store charge. This principle allows touch switches and proximity detectors to interface with the human body the way they do. It is also why humans can build up… … Wikipedia
Light switch — A light switch is a switch, most commonly used to operate electric lights, permanently connected equipment, or electrical outlets.In modern homes most lights are operated using switches set in walls, usually 6 10 inches (15 25 cm) away from a… … Wikipedia
Assistive technology — (AT) is a generic term that includes assistive, adaptive, and rehabilitative devices for people with disabilities and includes the process used in selecting, locating, and using them. AT promotes greater independence by enabling people to perform … Wikipedia
Induction cooker — Induction stove (top view) … Wikipedia
performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains … Universalium
motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… … Universalium
Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr … Wikipedia