for every 15° of longitude. Therefore‚ if we know the local times at two points on Earth‚ we can use the difference between them to calculate how far apart those places are in longitude‚ east or west. This idea was very important to sailors and navigators in the 17th century. They could measure the local time‚ wherever they were‚ by observing the Sun‚ but navigation required that they also know the time at some reference point‚ e.g. Greenwich ‚ in order to calculate their longitude. Although accurate
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Longitude Essay The Parliament was forced to find the solution to the troublesome longitude problem. William Whiston and Humphrey were mathematicians and friends who made a petition signed by “Captains of Her Majesty’s Ships‚ Merchant-Men” This piece of parchment demanded that the government pay attention to the longitude problem. A Parliamentary committee assembled to respond to its challenge in June of 1714. The committee sought out advice from Sir Isaac Newton. They established the Longitude
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Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time is written by Dava Sobel. The book is called Longitude because it is about a clock maker who was able to determine longitude. Determining longitude was the superlative scientific question in the eighteenth century that Galileo and Newton were not able to resolve. The principal inspiration behind the invention completed in this book is that many sailors were lost at seas as a result of their ignorance
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age‚ John Harrison learnt and followed his father’s trade as a carpenter‚ and during his free time he used to repair clocks to gain more experience. By the age of 20 he was able‚ to build his first longcase clock that was made of wood. In 1730‚ Harrison designed a marine clock to compete for the Longitude prize which is offered by the board of Longitude who was a British government body that manage a system of prices appeared to inspire innovators to overcome the problem of finding longitude at sea
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The longitude against which Indian Standard time is set passes through Allahabad‚ India. British India did not adopt the international standard time zones until 1905 when the meridian passing through Allahabad at 82.5º east (of Greenwich Meridian) longitude was picked as the central meridian for India‚ corresponding to a single time zone for the country at 5 hours and 30 minutes in advance of GMT. This went into force on January 1‚ 1906. However‚ Calcutta time was officially maintained as a separate
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1. Which of the following is NOT true regarding John Harrison? A) He was from a working class family. B) He solved the Longitude problem and won a prize for it. C) He made a clock that would help to solve the longitude problem but it was never tested. D) None of the above. 2. Ancient sailors A) used tacking to help stay close to the shore at night. B) avoided sailing near shores because of strong currents. C) rarely spent a night at sea. D) probably learned to navigate using the quadrant
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today. It was set out by the Longitude Act‚ passed by the British Parliament in 1714 – all for a ‘Practicable and Useful’ means of determining longitude. Dava Sobel then shows us many solutions people came up with‚ and we can see the grand scale of the people trying to solve this challenge and them simply not succeeding. One example‚ of the many‚ is when “in 1699‚ Samuel Fyler‚ the seventy-year old rector of Stockton in Wiltshire‚ England‚ came up with a way to draw longitude meridians on the night sky”
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equator‚ the imaginary line which divides our planet into the northern and southern hemispheres. 90° north is the North Pole and 90° south is the South Pole. Longitude The vertical longitude lines are also known as meridians. They converge at the poles and are widest at the equator (about 69 miles or 111 km apart). Zero degrees longitude is located at Greenwich‚ England (0°). The degrees continue 180° east and 180° west where they meet and form the International Date Line in the Pacific Ocean
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_____________Tiffany Caufield_____________ Section __________________ EXERCISE 2 PROBLEMS/SOLUTIONS—PART I 1. Using a globe‚ determine the latitude and longitude (to the nearest degree) of the following cities. Be sure to indicate if the location is north or south latitude‚ and east or west longitude. City Latitude Longitude (a) 42 N 88 W (b) Tokyo‚ Japan 36 N 140 E (c) Sydney‚ Australia 34 S 151 E (d) Singapore 1N 104 E (e) 2. Chicago
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Melinda McNeal Art Appreciation 1301 Matthew Guest Everyday use You can see Art in everything around you and in things you use every day. Everything around you is art. The object I chose to discuss that I use every day is my Grandfather Clock. It was passed down to me from my Grandmother. I use it and admire it every day. It is definitely a work of art to me. Think of all the work that was put into making a Grandfathers clock. The definition of a Grandfather Clock is a clock in a tall freestanding
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