Login or register (free and only takes a few minutes) to participate in this question.
You will also have access to many other tools and opportunities designed for those who have language-related jobs (or are passionate about them). Participation is free and the site has a strict confidentiality policy.
Shadow reckoning was one of the great arts of the ancient Greeks, and was used extensively by early mathematicians, especially in measuring the heights of inaccessible objects. When the Greek mathematician Thales visited Egypt, he astonished the people with his use of shadow reckoning to find the height of the Great Pyramid.