Technology Timeline By Armaan Chowdhury Nov 30, 1280 eye glasses were invented Apr 30, 1350 Suspension bridges built in Peru May 30, 1450 Alphabetical printing press invented Sep 30, 1500 ball bearing invented by Leonardo Da Vinci Dec 30, 1510 Pocket Watch invented by Peter Henlien Apr 30, 1581 Pendulum invented by Galileo Oct 30, 1593 thermometer invented by galileo Sep 30, 1608 telescope invented by Peter Henlien Sep 30, 1609 first microscope invented by Galileo Feb 27, 1645 vacuum pump invented by Otto Van geuricke Apr 30, 1698 steam engine invented by Thomas Savery Jul 30, 1752 Lightning rod Invented by Benjamin Franklin Sep 30, 1961 Optical disc invented by david Paul Gregg Oct 30, 1963 computer mouse invented by douglas Engelbart Oct 30, 1963 Videogame console invented by Ralph H. Baer Sep 30, 2002 Google search aunched by Google Apr 30, 2004 Facebook launched by Mark Zuckerberg Apr 30, 2004 Youtube invented by Paypal May 30, 2006 Xbox 360 invented by Microsoft Aug 30, 2006 Playstation 3 invented by Sony