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Egyptians

Egyptians. 300 BCE – Library of Alexandria Accumulation of ancient knowledge First university By law all scrolls were removed from the ship, they were copied, copies returned to the ship and originals were kept in the library 415 AD – library burned & Hypatia murdered. Egyptian Contributions.

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Egyptians

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  1. Egyptians • 300 BCE – Library of Alexandria • Accumulation of ancient knowledge • First university • By law all scrolls were removed from the ship, they were copied, copies returned to the ship and originals were kept in the library • 415 AD – library burned & Hypatia murdered

  2. Egyptian Contributions • Developed celestial navigation – finding position on Earth by the stars • First charts representing spherical surface on flat maps developed

  3. Finding Your Way • Eratosthenes - First to calculate the circumference of Earth • Eratosthenes – latitude & longitude based on landmarks • Hipparchus – developed regular grid for latitude & longitude

  4. Finding Your Way • Ptolemy – oriented maps with east, right and north, top • Ptolemy – divided degrees into minutes & seconds

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