The progressof the invention

  • 4000 BCE

    Coracle

    Coracle
    Even the sails were made of reeds.
  • 1000 BCE

    Reed boat

    Reed boat
    Some ships had two or three decks of oars.
  • 1200

    Chinese junk

    Chinese junk
    It had a six -blade propeller instead of side paddle wheels.
  • Hovercreft

    Hovercreft
    The Jet ski was invented in the USA by Clayton Jacobsen in 1973.
  • Queen Mary 2

    Queen Mary 2
    It can carry 2,620 passengers and 1,253 crew members.