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This project explores ways to measure the heights of objects located out of reach. Project Goals: To illustrate the different ways in which extreme height can be measured. To develop new and improved ...
Astrolabe, c. 1345-55, Brass (?), 4 1/3 x 3 5/8 x 7/8 in. (11 x 9.2 x 2.18 cm), (British Museum, London). Speakers Pippa Couch, Rachel Ropeik.
It is an educational content by Khan Academy, site that co ...