balanced magnetic switch
41sample preparation — ▪ chemistry Introduction in analytical chemistry (chemistry), the processes in which a representative piece of material is extracted from a larger amount and readied for analysis. Sampling and sample preparation have a unique meaning and special …
42Phantom circuit — In telecommunication and electrical engineering, a phantom circuit is an electrical circuit derived from suitably arranged wires with one or more conductive paths being a circuit in itself and at the same time acting as one conductor of another… …
43Fluorescent 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… …
44Camcorder — Canon HD camcorder A camcorder (videocamera recorder) is an electronic device that combines a video camera and a video recorder into one unit.[1][2] …
45Overhead power line — This article is about power lines for general transmission of electrical power. For overhead lines used to power road and rail vehicles, see Overhead lines. Transmission lines in Lund, Sweden …
46Lace Sensor — The Lace Sensor is a guitar pickup designed by Don Lace and manufactured by AGI (Actodyne General International) since 1985. This world famous line of electric guitar pickups was used exclusively by Fender from 1987 to 1996. Lace Sensors are true …
47List of Pokémon (441–493) — Pokémon has 649 (as of Pokémon Black and White) distinctive fictional species classified as the titular Pokémon. These creatures and entities reside throughout various locations of the fictional Pokémon universe and can be caught by humans… …
48List of computing and IT abbreviations — This is a list of computing and IT acronyms and abbreviations. Contents: 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y …
49In vitro meat — In vitro meat, also known as cultured meat, is an animal flesh product that has never been part of a complete, living animal. It has been described, sometimes derisively, as laboratory grown meat. In vitro meat should not be confused with… …
50Paintball marker — A paintball marker, also known as a paintball gun, is the central or main piece of equipment in the sport of paintball. Markers make use of an expanding gas such as carbon dioxide, compressed air or nitrogen dioxide to propel paintballs through… …
