The Greeks Spotlight on Ancient Greeks The Mycenaeans and Homer Greek Settlements The Land of Greece The City-State, Athens Democracy The City at War Naval Warfare Religion and the Gods Temples The Olympic Games The Family Home Greek Women Education Symposium Theaters and Actors Craftsmen Illness and Death Learning and Inventions	Learning and Inventions Learning and Inventions Early Theories of Astronomy Mathematics Eclipse Siege Machine Arrow Machine Aristotle Socrates How the Archimedes Screw Works Philosopher Teaches at the Stoa Archimedes Screw   Previous: Back to Learning and Inventions Book: The Greeks Section: Spotlight on Ancient Greeks Chapter: Learning and Inventions