Historical Advances in Educational Technology By MCupples 30,000 BCE Cave drawings 510 BCE Pythagoras Schools 105 First piece of paper 1450 Gutenberg Press 1564 Pencil 1600 Hornbooks 1635 First Public School 1800 Magic Lantern 1801 Modern Blackboard 1873 Typewriter 1876 Telephone 1920 Radio classes 1930 Overhead Projector 1940 Ballpoint pen 1940 Mimeograph 1950 Headphones 1959 Photocopier 1960 Audio tapes 1972 Handheld calculator 1981 Laptop 1981 IMB PC 1989 First Online Teaching Course 1990 Interactive Whiteboard 1997 Social Media 1998 Google 2001 DVD/Blu-Ray 2010 Ipad
