Archive for Era – Middle Ages

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1048 – Omar Khayyam – bio

Omar Khayyam was born in Persia in 1048 and was a mathematician, astronomer and poet. He was known for using a geometric approach to analyzing algebra problems and for solving cubic equations using line segments. He noted that solving the cubic required the use of conic sections and could not be solved simply with a […]

0980 – ibn Sina – bio

Born Abu Ali Sina Balkhi, or ibn Sina, in Persia around 980 and known in western history by the Latin version of his name, “Avicenna”. He was a physician and philospher and studied and taught mathematics, physics, chemistry, astronomy, logic, geometry, geology, paleontology and more. The author of over 400 works, his major effort was […]

1000 – weight driven clock

Prior to this date, many large water driven clocks were using gearing techniques to maintain their accuracy. These were documented in Spain and China and possibly other locations. At some point in the eleventh century, arabic engineers switched over to using weights to drive the geared clock mechanisms.

0780 – al-Khwarizmi – bio

Muhammad ibn Mūsā al-Khwārizmī was born in Khwarizm, Persia (now Uzbekistan) around the year 780. He is most famous for his book on algebra titled, “The Compendious Book on Calculation by Completion and Balancing”. He is considered to be the father of algebra because this book was the first about the systematic solution of linear […]