effective wind direction
61Eldfell — is a cinder cone volcano just over 200 metres (650 ft) high on the Icelandic island of Heimaey. It formed in a volcanic eruption which began without warning just outside the town of Heimaey on 23 January 1973. Its name means Mountain of Fire in… …
62History of science and technology in China — Inventions …
63balloon flight — ▪ aviation Introduction passage through the air of a balloon that contains a buoyant gas, such as helium or heated air, for which reason it is also known as lighter than air free flight. Unmanned balloons have been used to carry meteorological… …
64Architecture of the night — De Volharding Building, The Hague, 1928 by Jan Buijs, photographed in 1930 …
65Kite (Styrofoam-only) — Some kites are made of Styrofoam only. Styrofoam is a tradename for expanded polystyrene thermal insulation material (often referred to as EPS), manufactured by Dow Chemical Company; it is bluish in color. Popular abuse of names has EPS foam cups …
66Langport — Coordinates: 51°02′15″N 2°49′39″W / 51.037625°N 2.827454°W / 51.037625; 2.827454 …
67The Maltese Falcon (yacht) — The Maltese Falcon is a clipper sailing luxury yacht owned by American venture capitalist Tom Perkins. It is one of the largest privately owned sailing yachts in the world at 88 metres (289.1 feet), similar to Royal Huisman s Athena and Lürssen s …
68Yellowstone fires of 1988 — The Yellowstone fires of 1988 together formed the largest wildfire in the recorded history of the U.S. s Yellowstone National Park. Starting as many smaller individual fires, the flames spread quickly out of control with increasing winds and… …
69William the Conqueror — The Duke of Normandy in the Bayeux Tapestry King of England Reign 25 December 1066 9 September 1087 Coronation 25 December 106 …
70Starstreak missile — Disambiguation: Starstreak redirects here. For the Marvel comics superheroine named Starstreak see Julie Power. Infobox Weapon name= Starstreak caption= Starstreak missile on display at the Africa Aerospace Defence exposition, September 2006… …
