Ultrashort pulse — In optics, an ultrashort pulse of light is an electromagnetic pulse whose time duration is on the order of the femtosecond (10 − 15 second). Such pulses have a broadband optical spectrum, and can be created by mode locked oscillators. They are… … Wikipedia
Depolarizing pre-pulse — A depolarizing pre pulse (DPP) is an electrical stimulus that causes the potential difference measured across a neuronal membrane to become more positive or less negative, and precedes another electrical stimulus.[1] DPPs may be of either the… … Wikipedia
meditation — /med i tay sheuhn/, n. 1. the act of meditating. 2. continued or extended thought; reflection; contemplation. 3. See transcendental meditation. 4. devout religious contemplation or spiritual introspection. [1175 1225; < L meditation (s. of… … Universalium
XBMC — Media Center XBMC Media Center Home Screen Developer(s) … Wikipedia
Archive (groupe) — Pour les articles homonymes, voir Archive (homonymie). Archive … Wikipédia en Français
Relay — This article is about the electrical component. For other uses, see Relay (disambiguation). Automotive style miniature relay, dust cover is taken off A relay is an electrically operated switch. Many relays use an electromagnet to operate a… … Wikipedia
radar — /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… … Universalium
Radio-controlled model — A radio controlled model (or RC model) is a model that is steerable with the use of radio control. All types of vehicles imaginable have had RC systems installed in them, including cars, boats, planes, and even helicopters and scale railway… … Wikipedia
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
Control line — Brodak Control Line Aerobatic Strega in flight Control line (also called U Control ) is a simple and light way of controlling a flying model aircraft. The aircraft is connected to the operator by a pair of lines, attached to a handle, that work… … Wikipedia
Liaison 16 — La Liaison 16 (L16) est un standard de liaison de données tactiques de l OTAN pour l échange d informations tactiques entre des unités militaires. Le contenu de sa messagerie et le protocole d émission sont définis par le STANAG[acro 1] 5516 pour … Wikipédia en Français