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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.

The Longitude Problem

This film, from Twig World, looks at the relationship between time and place. In an age before satellite navigation and GPS, one man found an ingenious solution to the problem of determining a ship's location at sea. The key points made in the film are: •Lines of latitude circle the Earth horizontally; lines of longitude run vertically from pole to pole. •Calculating your latitude and longitude gives you your position in the world. •Sailors use latitude and longitude to calculate their position at sea. •John Harrison built an accurate portable clock, called a chronometer, to allow accurate naval navigation.

 

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