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Longitude calculations can be simplified using a clock is set to the local time of a starting point whose longitude is known, transporting it to a new location, and using it for astronomical observations. The longitude of the new location can be determined by comparing the difference of local mean time and the time of the transported clock.
Longitude is a 2000 TV drama produced by Granada Television and the A&E Network for Channel 4, first broadcast between 2 and 3 January 2000 in the UK on Channel 4 and the US on A&E. It is a dramatisation of the 1995 book of the same title by Dava Sobel .
Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time is a 1995 best-selling book by Dava Sobel about John Harrison, an 18th-century clockmaker who created the first clock (chronometer) sufficiently accurate to be used to determine longitude at sea—an important development in navigation.
Dava Sobel (born June 15, 1947) is an American writer of popular expositions of scientific topics. Her books include Longitude, about English clockmaker John Harrison; Galileo's Daughter, about Galileo's daughter Maria Celeste; and The Glass Universe: How the Ladies of the Harvard Observatory Took the Measure of the Stars about the Harvard Computers.
John Harrison (3 April [O.S. 24 March] 1693 – 24 March 1776) was an English carpenter and clockmaker who invented the marine chronometer, a long-sought-after device for solving the problem of how to calculate longitude while at sea.
Knowing (stylized as KNOW1NG) is a 2009 science fiction thriller film [5] directed and co-produced by Alex Proyas and starring Nicolas Cage.The film, conceived and co-written by Ryne Douglas Pearson, was originally attached to a number of directors under Columbia Pictures, but it was placed in turnaround and eventually picked up by Escape Artists.
Longitude is given as an angular measurement with 0° at the Prime Meridian, ranging from −180° westward to +180° eastward. The Greek letter λ (lambda) [38] [39] is used to denote the location of a place on Earth east or west of the Prime Meridian. Each degree of longitude is sub-divided into 60 minutes, each of which is divided into 60 ...
In the early 1700s, a series of maritime disasters occurred, including the wrecking of a squadron of naval vessels on the Isles of Scilly in 1707. [7] Around the same time, mathematician Thomas Axe decreed in his will that a £1,000 prize be awarded for promising research into finding "true longitude" and that annual sums be paid to scholars involved in making corrected world maps.