Instructional Video
Institute and Museum of the History of Science

Museo Galileo: Multimedia: Video: Arab Astronomy

9th - 10th
Triggered by traditions of faith, followers of Islam needed a system in order to know which way to turn to Mecca for their five daily prayers. To do this, close attention to spherical trigonometry and Ptolemy's celestial model made the...
Instructional Video
Institute and Museum of the History of Science

Museo Galileo: Eudoxus's System

9th - 10th
This video explains Eudoxus's ideas about celestial movements. Click on the word 'Text' above the video to see a transcript. (3 min. 11 sec.)
Instructional Video
Institute and Museum of the History of Science

Museo Galileo: Multimedia: Video: Archimedean Screw

9th - 10th
A short video demonstrates the workings of an Archimedean screw, or cochlea, a mechanical device for raising water, whose invention is traditionally attributed to the Greek mathematician Archimedes.
Instructional Video
Institute and Museum of the History of Science

Museo Galileo: Multimedia: Video: Copernican System

9th - 10th
A video explaining the Copernican system of our solar system. [1:30]