movable stop
31Railway signal — Not to be confused with Railway signalling. A signal is a mechanical or electrical device erected beside a railway line to pass information relating to the state of the line ahead to train/engine drivers. The driver interprets the signal s… …
32Indian Rebellion of 1857 — Sepoy Mutiny redirects here. For other uses, see Sepoy Mutiny (disambiguation). Indian Rebellion of 1857 A 1912 map of Northern India The Revolt of 1857–59 showing the centres of rebellion including the principal ones …
33Hot metal typesetting — Part of a series on the History of printing Woodblock p …
34Timeline of Internet conflicts — The Internet has a long history of turbulent relations, major maliciously designed disruptions (such as wide scale computer virus incidents, DOS and DDOS attacks that cripple services, and organized attacks that cripple major online communities) …
35airplane — /air playn /, n. 1. a heavier than air aircraft kept aloft by the upward thrust exerted by the passing air on its fixed wings and driven by propellers, jet propulsion, etc. 2. any similar heavier than air aircraft, as a glider or helicopter. Also …
36printmaking — /print may king/, n. the art or technique of making prints, esp. as practiced in engraving, etching, drypoint, woodcut or serigraphy. [1925 30; PRINT + MAKING] * * * Art form consisting of the production of images, usually on paper but… …
37Northeast Corridor — This article is about the Amtrak main line. For the New Jersey Transit service, see Northeast Corridor Line. For the agglomeration of metropolitan areas, see Northeast megalopolis. Northeast Corridor An Amtrak Acela Express train near… …
38Railway semaphore signal — One of the earliest forms of fixed railway signal is the semaphore. These signals display their different indications to train drivers by changing the angle of inclination of a pivoted arm . Semaphore signals were patented in the early 1840s by… …
39Animation — The bouncing ball animation (below) consists of these 6 frames. This animation moves at 10 frames per second. Animation is the rapid display of a sequence of images of 2 D or 3 D artwork or model positions in order to create an illusion of… …
40List of G.I. Joe: A Real American Hero characters: A-C — This is an alphabetical list of G.I. Joe: A Real American Hero characters whose code names start with the letters A C. Contents 1 Ace 2 Agent Faces 3 Airborne …
