Eratosthenes

5 09, 2017

History of astronomy – Science and space

By |2019-02-04T15:14:58-08:00September 5th, 2017|Science|Comments Off on History of astronomy – Science and space

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 [...]

18 07, 2017

Who was Eratosthenes? Astronomy and math

By |2019-05-30T20:45:26-07:00July 18th, 2017|Africa, Egypt, Science|Comments Off on Who was Eratosthenes? Astronomy and math

Eratosthenes of Cyrene went to school here! A classroom at the University of Alexandria (al-Ahram 2004). Who was Eratosthenes of Cyrene? Eratosthenes of Cyrene was born about 276 BC. He was [...]

14 06, 2017

Ptolemies and Cleopatra – Greek Egypt

By |2019-06-01T12:41:50-07:00June 14th, 2017|Africa, Egypt, Greeks, History, Science|Comments Off on Ptolemies and Cleopatra – Greek Egypt

Ptolemy I Soter, on a coin (He's trying to look like Alexander) Alexander conquers Egypt In 332 BC Alexander the Great and his Greek army conquered Egypt from the Persians who [...]

19 05, 2017

African Science and African Inventions – History of Science

By |2019-05-30T21:16:16-07:00May 19th, 2017|Africa, History, Science|Comments Off on African Science and African Inventions – History of Science

African science: Standing stones at Nabta Playa (modern Sudan), ca. 6000 BC The earliest scientists African people made the earliest, and the most important, scientific inventions. And they kept on [...]

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