Additional plates or discs which Arab scientists invented. They were used as supplementary tools to be inserted into astronomical instruments like the astrolabe to supplement its functions. There is ...
Scientists say that the two lost, but extremely important books by Apollonius, the Greek mathematician known to the ancient ...
Ibn-al-shatir's lunar model from which Copernicus is reported to have borrowed in composing his cosmological model. Credit: https://www.ccvalg.pt/astronomia/historia ...
A direct English translation of the Arabic word 'ilm علم is "knowledge", but the Arabic appellation is pregnant with meanings that transcend what knowledge implied for the likes of Plato, Pythagoras, ...
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