Lecture 02 - A Brief History of Engineering Engineering...

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Unformatted text preview: A Brief History of Engineering Engineering Eras • Prehistoric (10 6 BP – 8000 BCE) • Ancient (8000 BCE – 500 CE) • Medieval (500 CE – 1400) • Renascent (1400 – 1800) • Expansive (1800 – 1940) • Modern (1940 – 1990) • Contemporary (1990 – ????) from: [6] Prehistoric Engineering Hominid Time Tools A. afarensis “Lucy” 3.9 to 3.2 million BP no evidence of tools H. habilis “handy man” 2.6 to 1.4 million BP primitive stone tools, wooden tools H. erectus “upright man” 1.8 to 0.1 million BP more diverse and sophisticated tools, fire, hunting H. neanderthalensis “neanderthal” 350,000 - 24,000 BP hooks and needles, axes, spears complex shelters, controlled fire, skinned animals, rituals Cro-Magnon 40,000 - 10,000 BP sculpture, painting, music, body ornamentation, balanced diet (meat, grains, vegetables, etc.), rock/clay/bone huts, spears, bow/arrows, woven clothes Neanderthal Tools • spears for hunting • hand axes, knives, scrapers, shovel-shaped boulders around the house from: http://www.boneclones.com/images/ms-100-set_web-Ancient Engineering from: http://www.earthhistory.org.uk/wp-content/FertileCrescent.jpg from: http://www.freewebs.com/apmesopotamia/mesopotamia%5B2%5D.jpg The Sumerians • wheel • cuneiform • ziggurats • irrigation • boats • bronze • arithmetic, geometry • calendars • saws, chisels, hammers, nails, braces, bits, pins, rings • hoes, axes, knives, arrowheads, swords, daggers • waterskins • leather, boots, sandals • glue • Code of Hammurabi from: http://cache.eb.com/eb/image?id=62670&rendTypeId=4 from: http://cache.eb.com/eb/image?id=84493&rendTypeId=4 Cuneiform Tablet Ziggurat from: http://www.hope.edu/bandstra/RTOT/CH1/CH1_F4.JPG The Egyptians • pyramids, obelisks, Sphynx • mathematics • clocks • papyrus • hieroglyphics • medical devices from: http://www.galenfrysinger.com/egypt_karnak_obelisks.htm, http://www.world-mysteries.com/alignments/mpl_al_obelisk1.jpg Egyptian Obelisks The Rhind Papyrus from: http://www-groups.dcs.st-and.ac.uk/~history/Biographies/Ahmes.html from: http://www-groups.dcs.st-Egyptian Shadow Clock Egyptian Medical Devices from: http://www.antiquemed.com/invention.html The Mycenaeans • citadels • fortifications • palaces (megaron) • corbel vaulting • tombs from: http://www.greeklandscapes.com/images/destinations/mycene/mycenae_aerial_photo.jpg Aerial Photo of Mycenae from: http://academic.brooklyn.cuny.edu/classic/wilson/core/megaron.jpg Reconstruction of a Mycenaean Megaron Lion Gate of Mycenae from: http://static.panoramio.com/photos/original/335558.jpg Entrance to Treasury of Atreus from: http://www.theosophy-nw.org/theosnw/world/med/s5jjcv1-rgb.jpg The Greeks...
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This note was uploaded on 04/16/2008 for the course ENGINEERIN Eng 4A03 taught by Professor Prescott during the Winter '08 term at McMaster University.

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Lecture 02 - A Brief History of Engineering Engineering...

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