al Tusi

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5 09, 2017

History of astronomy – Science and space

By |2019-02-04T15:14:58-07:00September 5th, 2017|Science|0 Comments

A starry sky with the Milky Way galaxy(thanks to Bernd Nies) Early astronomy The very earliest people, as early as six million years ago, knew much more about the moon and the planets and the stars than most people do today. The moon The planets What are stars? More astronomy articles That's because they lived mainly outside, without electric lights blocking [...]

4 09, 2017

Roman philosophy – ancient Rome

By |2018-04-24T11:41:37-07:00September 4th, 2017|Philosophy, Romans|0 Comments

A Roman man making a speech (Florence, about 50 BC) Thanks to VROMA for the image Romans meet Greek philosophy Roman men didn't begin studying philosophy until about 200 BC. At that time, the Romans were conquering Greece. So a lot of Roman soldiers and generals spent a lot of time in Greece, and got a chance to talk [...]

7 08, 2017

Renaissance Science in Europe

By |2017-08-07T21:36:38-07:00August 7th, 2017|Modern Europe, Science|0 Comments

Copernicus, a Renaissance astronomer Starting in the 1200s AD, as Europe got richer, great universities got started there. In the later Middle Ages, West Asia and India suffered from the Mongol invasions. West Asian people were too poor to send their children to the old university at Baghdad. In the 1300s, the Black Death killed so many people in Egypt that the old university at Cairo also didn't have [...]

27 07, 2017

Medieval Islamic science

By |2019-10-07T07:26:55-07:00July 27th, 2017|Islam|0 Comments

Medieval Islamic science: Al Tusi's diagram of linear motion from circular motion Indian and African science In the Early Middle Ages, before the formation of the Islamic Empire, Buddhists ran the world's biggest universities. One was in India, at Nalanda. Another was in what is now Pakistan, at Taxila. Medieval Islamic science built on this Indian scientific tradition. [...]

27 07, 2017

Medieval Islamic astronomy

By |2018-04-23T10:04:24-07:00July 27th, 2017|History, Islam, Science|0 Comments

Islamic astronomers taking observations West Asian astronomers had been world leaders in astronomy for thousands of years before the Islamic conquests in the 600s AD. In the last centuries BC, West Asian astronomers had already figured out that the earth was a ball, and that the earth went around the sun, and how big the earth was, and that the moon went [...]

27 07, 2017

al Tusi – Discoveries of Islamic astronomy

By |2017-07-27T08:30:46-07:00July 27th, 2017|Islam, Science|0 Comments

Al Tusi in his observatory (ca. 1259 AD) Nasir al Tusi was born in Iran in 1201 AD, as the Seljuk Empire was falling apart. The Seljuks were Turkic people. But al Tusi, like most of the people living near him, was of Iranian descent. He spoke Persian at home. He was from a Shiite, Sufi family. Al Tusi's father died when he [...]