Educational Technology Evolution timeline By aungmai86 Jan 1, 1440 Printing Press Printing press 1600 Hornbook 1870 Magic Lantern 1873 Typewriter 1890 Chalkboard 1890 School Slate 1900 Pencil 1905 Stereoscope Period: 1920 to 1975 Broadcasting and Video 1923 Radio 1926 Film Projector 1930 Overhead Projector 1940 Mimeograph 1959 Skinner Learning Machine 1960 Educational Television 1967 Handheld Calculator 1980 Personal (Plato) Computer 1983 The C_D Rom 1988 Laptop 1993 Internet 1997 Google and Wikipedia 1999 Inter Active whiteboard 2006 Youtube 2008 Mooc 2011 Increasing Use of Virtual Learning 2019 References