Get Tangled in These Mythical God Family Trees - Get Tangled in These Mythical God Family Trees - A fun visual of the Egyptian Gods and their relations. All ages (educator note, mention of affairs, etc on the poster)
The Kitab al-Bulhan, or Book of Wonders, is an Arabic manuscript dating mainly from the late century A. and probably bound together in Baghdad during the reign of Jalayirid Sultan Ahmad manuscript is made up of astrological, astrono
Geared Astrolabe-Calendar of Muhammad b. Abi Bakr, Century (Museum of the History of Science, Oxford). One of the most important inventions in the history of the world.