Chinese Inventions *1st Blog Entry for 3rd Grading*

                CHINESE INVENTIONS AND DISCOVERIES 

                     China should also be credited with inventions and discoveries which continue to influence our world today as they did at their inception .The Chinese was source of significant inventions including the FOUR Great Inventions : paper making , compass, gunpowder and printing . The Chinese civilization has given birth to developments i navigation , spiritual balance, mathematics and natural prevention and diagnosis .

                                              * Paper making  

 

    -- a substance which is use today for writing.It is known to ave been traced back to China about 105 CE .Cai Lun , he created a sheet of paper using mulberry and other bast fibres along with fishnets ,old rags and hemp waste . 

 * COMPASS          

  

        

  -- also known as SI NAN . Early version of today's compass came in the form of a two part instrument.First the metal spoon made of magnetic loadstone , second the bronze plate , in Chinese characters, the eight main directions ( north south ,east, west , etc.. ) . These two components were spiritual and physical opposites the spoon representing heaven and the plate representing earth .

 * GUNPOWDER 

      -- also called black powder . It invented , documented and used in Ancient China where the Chinese military forces used gunpowder based weapons technology against Mongols when the Mongolians attempt to invade China .

 *SEISMOGRAPH

       --it detects the movement of tectoplate. The first seismograph, credited to the royal Astronomer of the late Han Dynasty , Chang Heng was designed as a cast bronze vessel with nine dragons facing different directions , each of which held a ball its mouth ,nine frogs sitting below  the dragons .