Scientific Advancements B.C.

By Zach Koss
  • 150

    Tides caused by the moon

    Tides caused by the moon
    Seleucus of Seleucia: discovery of tides being caused by the moon
  • May 6, 1000

    Dictionary

    Dictionary
    re-invented by Samual Johnson (England, 1604)
  • May 6, 1400

    Steel

    Steel
    made by adding carbon to iron

  • Rubber

    Rubber
    made from a tree sap

  • The Alphabet

    The Alphabet
    The alphabet
    simplified learning to write

  • Irrigation and canals

    Irrigation and canals
    canals where bulit to transport water to places that need it.

  • The wheel

    The wheel
    Evidence indicates they were created to serve as potter's wheels around 3500 B.C. in Mesopotamia—300 years before someone figured out to use them for chariots.

  • Shoes

    Shoes
    The world's oldest leather shoe, made from a single piece of cowhide laced with a leather cord along seams at the front and back, was found in the Areni-1 cave complex in Armenia in 2008 and is believed to date to 3,500 B.C.

  • Bridges

    Bridges
    The first bridges made by humans were probably spans of cut wooden logs or planks and eventually stones, using a simple support and crossbeam arrangement.

  • Concrete

    Concrete
    floor slabs for huts in Central Europe