solid-state switch
81radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …
82History of computing hardware — Computing hardware is a platform for information processing (block diagram) The history of computing hardware is the record of the ongoing effort to make computer hardware faster, cheaper, and capable of storing more data. Computing hardware… …
83Nanoionics — Part of a series of articles on Nanoelectronics Single molecule electronics …
84Traffic light — The traffic light, also known as traffic signal, stop light, traffic lamp, stop and go lights, robot or semaphore, is a signaling device positioned at a road intersection, pedestrian crossing, or other location. Its purpose is to indicate, using… …
85Gold — This article is about the metal. For the color, see Gold (color). For other uses, see Gold (disambiguation). platinum ← gold → mercury …
86John Bardeen — Infobox Scientist name = John Bardeen imagesize = 110px caption = John Bardeen birth date = birth date|1908|5|23|df=y birth place = Madison, Wisconsin, USA death date = death date and age|1991|1|30|1908|5|23 death place = Boston, Massachusetts… …
87Cassini–Huygens — Artist s concept of Cassini s Saturn Orbit Insertion Operator NASA / ESA / ASI Mission type …
88Thyristor — The thyristor is a solid state semiconductor device with four layers of alternating N and P type material. They act as bistable switches, conducting when their gate receives a current pulse, and continue to conduct for as long as they are forward …
89Interlocking — In railway signaling, an interlocking is an arrangement of signal apparatus that prevents conflicting movements through an arrangement of tracks such as junctions or crossings. The signaling appliances and tracks are sometimes collectively… …
90Dell XPS — Logo Dell XPS ( Xtreme Performance System) is a line of gaming and performance computers manufactured by Dell Computers. Contents 1 History …
