Unnamed

The mechanical clock

By Gillen_2008
  • Nov 30, 1000

    C

    C
    The candle clock appeared at first time at China in a poem of You Jiangu and then, were used at the European churches
  • May 25, 1088

    Mechanical clock

    Mechanical clock
    Su Sung create the first mechanical clock with water in China at the year 1088 A.D.

  • Atomic clock

    Atomic clock
    The first atomic clock was invented by Willard Frank Libby in the U.S.A. fenomeno oso erregular bati buruzko ideietan oinarrituta: erresonantzia magnetiko molekularra eta atomikoa