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25 07, 2017

Islamic geographers – Medieval Islam

By |2019-07-03T10:11:08-07:00July 25th, 2017|History, Islam, Science|Comments Off on Islamic geographers – Medieval Islam

Islamic geographers: al-Idrisi's map of the world (1100s AD) Universities in the Islamic Empire Silk Road and Indian Ocean trade made many people in the Islamic Empire rich enough to send [...]

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16 07, 2017

What is an astrolabe? Greek science

By |2019-02-04T09:56:46-08:00July 16th, 2017|Greeks, Science|Comments Off on What is an astrolabe? Greek science

An Islamic astrolabe (832 AD) Who invented the astrolabe? About 140 BC, the Greek astronomer Hipparchus of Rhodes invented the science of trigonometry. What's trigonometry?  Greek astronomy History of astronomy All our [...]

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