Class 3/26, Review

Notes:
Hellenistic Culture:
Hellenistic Culture in Alexandria:

• Hellenistic Culture- blend of Greek, Egyptian, Persian, and Indian culture
• Trade and Culturally Diverse- 
• Alexandria became a foremost center of commerce and culture/ civilization 
• Alexandria's Attractions- Alexander's Coffin, Pharos (lighthouse), library which had 500,000 papyrus scrolls
• Science and Technology:
• Astronomy-
• Aristarchus- found out that the Sun is at least x300 bigger than the Earth, Earth and other planets revolved around the Sun
• Ptolemy- disagrees with Aristarchus, says that Earth is center of universe, this was taught for the next 14 centuries
• Eratosthenes- estimated the real size of the Earth, says the Earth is round
• Mathematics and Physics-
• Euclid- wrote the book on Geometry (Elements)
• Archimedes- estimated value of pi, explained the law of lever
• The Archimedes Screw- could raise water from the ground