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...

This film, from Twig World, explores some of the many ways to explore the Earth and its physical and 'human' features. The key points made in the film are: •Maps have been used by man throughout history to explain and navigate the world. •Traditionally, maps are two-dimensional drawings that use scale to map the...