Post B9EPRDmdUE693f6BN2 by deborahh@cosocial.ca
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 (DIR) Post #B9E2Pofx3NC5x6Kii8 by gutenberg_org@mastodon.social
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       This Medieval Astrolabe Turns 1,000 Years OldA rare astronomical instrument made in medieval Spain has reached an extraordinary milestone. Now held by National Museums Scotland, the astrolabe offers a glimpse into the scientific knowledge of the Islamic world during the eleventh century.https://www.medievalists.net/2026/08/this-medieval-astrolabe-turns-1000-years-old/On the Origin of Clockwork, Perpetual Motion Devices, and the Compass by Price at PG:https://www.gutenberg.org/ebooks/30001#books #science #horology
       
 (DIR) Post #B9EPRDmdUE693f6BN2 by deborahh@cosocial.ca
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       @gutenberg_org @ShaulaEvans #TIL How does an astrolabe work?From HowStuffWorks:(I enjoyed the 9 minute ted talk linked in this article)https://electronics.howstuffworks.com/gadgets/clocks-watches/astrolabe.htm