steam up head to wind
121flight, history of — ▪ aviation Introduction development of heavier than air flying machines. Important landmarks and events along the way to the invention of the airplane include an understanding of the dynamic reaction of lifting surfaces (or wings), building… …
122Concentrated solar power — The PS10 Solar Power Plant concentrates sunlight from a field of heliostats onto a central solar power tower. Concentrated solar power (CSP) systems use mirrors or lenses to concentrate a large area of sunlight, or solar thermal energy, onto a… …
123Aircraft carrier — From bottom to top: Principe de Asturias, amphibious assault ship USS Wasp, USS Forrestal and light V/STOL carrier HMS Invincible, showing size differences of late 20th century carriers An aircraft …
124Model aircraft — A die cast Boeing 747 400 model. Model aircraft are flying or non flying models of existing or imaginary aircraft using a variety of materials including plastic, diecast metal, polystyrene, balsa wood, foam and fibreglass. Flying designs range… …
125List of Decepticons — Decepticon Insignia This is a list of known Decepticons from the Transformers fictional universe and toyline. Contents 1 Generation One 1.1 Leader …
126History of the United States Merchant Marine — See also: United States Merchant Marine This article is part of the U.S. Maritime History series. Maritime history of Colonial America 1776–1799 1800–1899 1900–1999 2000 The mariti …
127HMS Defender (1911) — HMS Defender was an Acheron class destroyer of the Royal Navy.She was built at William Denny Brothers in Dumbarton, Scotland for £83,000 [ D K Brown The Grand Fleet: Warship Design and Development 1906 1922 . Caxton Editions 2004. ISBN 1 84067… …
128Iceland — Icelander /uys lan deuhr, leuhn deuhr/, n. /uys leuhnd/, n. 1. a large island in the N Atlantic between Greenland and Scandinavia. 39,698 sq. mi. (102,820 sq. km). 2. a republic including this island and several smaller islands: formerly Danish;… …
