technological developements By unaitxujc 5000 BCE the weel is invented 2300 BCE ferrous metalurgy begins 1240 gunpowder 1459 the printing press 1590 jansenn microscope 1610 Galileo's telescope 1769 steam machine the start of industrial rebolution 1804 steam locomotive 1960 electronic chips 1960 electronic chips 1960 laser 1962 led diode 1969 arpanet 1971 microprocersor 1971 e mail 1973 movile phone 1977 personal computer 1982 tcp ip protocols 1985 windows operating sistems 1988 CDs 1989 world wide web 1990 launch of the hube space telescope 1991 litium batteri 1992 flat screen 1994 booletooh 1995 DVD 1996 hybrid veicles 1998 optical mouse 1999 wifi networks 2003 blue ray standard 2009 kepler observatory 2010 tianhe 1a super computer 2010 the discovere of graphene 2015 new orizons spacecraft
