Reading the sky with the astrolabe
Mathematical models: from sundials to number engines - for iPod/iPhone
English - March 26, 2010 05:01 - 2 minutes - 14.4 MB Video - ★★★★ - 9 ratingsCourses Education mathematics modelling astronomy imagination greeks stereoscopic stars horizon zenith navigation numbers Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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How the Greeks invented a two dimensional astrolabe as a conceptual model of the cosmos, and how it was used.