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Skyscraper design and construction. A workman on the framework of the Empire State Building. The design and construction of skyscrapers involves creating safe, habitable spaces in very high buildings. The buildings must support their weight, resist wind and earthquakes, and protect occupants from fire. Yet they must also be conveniently ...
A space elevator, also referred to as a space bridge, star ladder, and orbital lift, is a proposed type of planet-to-space transportation system, [1] often depicted in science fiction. The main component would be a cable (also called a tether) anchored to the surface and extending into space. An Earth-based space elevator would consist of a ...
A skyscraper is a tall continuously habitable building having multiple floors. Modern sources define skyscrapers as being at least 100 meters (330 ft) [1] or 150 meters (490 ft) [2] in height, though there is no universally accepted definition, other than being very tall high-rise buildings.
Elevator. Outside of typical elevators, shown in an office building in Portland, Oregon. This elevator to the Alexanderplatz U-Bahn station in Berlin is built with glass walls and doors, exposing the inner workings. An elevator (American English) or lift (Commonwealth English) is a machine that vertically transports people or freight between ...
The building was designed by Shreve, Lamb & Harmon and built from 1930 to 1931. Its name is derived from "Empire State", the nickname of the state of New York. The building has a roof height of 1,250 feet (380 m) and stands a total of 1,454 feet (443.2 m) tall, including its antenna.
Early skyscrapers emerged in the United States as a result of economic growth, the financial organization of American businesses, and the intensive use of land. [9] New York City was one of the centers of early skyscraper construction and had a history as a key seaport located on the small island of Manhattan, on the east coast of the U.S. [10] As a consequence of its colonial history and city ...
The original World Trade Center (WTC) was a complex of seven buildings in the Financial District of Lower Manhattan in New York City. Built primarily between 1966 and 1975, it was dedicated on April 4, 1973, and was destroyed during the September 11 attacks in 2001. At the time of their completion, the 110-story-tall Twin Towers, including the ...
The Mile-High Illinois, or simply The Illinois, is an unbuilt conceptual design by American architect Frank Lloyd Wright for a one mile-high skyscraper to be built in Chicago, Illinois. Wright described the project in his 1957 book, A Testament. [1] The design included 528 stories, later revised to 365 stories, with a gross area of 18,460,000 ...