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The Tunnel of Samos

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Visit this site: http://www.projectmathematics.com/samos.htm
Author:Project MATHEMATICS!, California Institute of Technology
Description: A videotape-and-workbook module that explores a basic topic in high school mathematics in ways that cannot be done at the chalkboard or in a textbook. This video describes a remarkable engineering work of ancient times: excavating a one-kilometer tunnel straight through the heart of a mountain, using separate crews that dug from the two ends and met in the middle. How did they determine the direction for excavation? The program gives Hero's explanation (ca. 60 A.D.), using similar triangles, as well as alternate methods proposed in modern times.
Levels: High School (9-12)
Languages: English
Resource Types: Multimedia, Video, Lesson Plans and Activities, Textbooks
Math Topics: Triangles and Other Polygons, History and Biography, Architecture, Engineering
Math Ed Topics: Audiovisual/Multimedia, Curriculum/Materials Development

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