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The History of Educational Technology

  • 510 BCE

    Pythagoras Academy

    Pythagoras Academy
    It was founded by Greek philosopher Pythagoras. Students learned about mathematics and philosophy.
  • 30 BCE

    Cave Drawings

    Cave Drawings
    In prehistoric times, mostly in Asia or Europe, early humans used cave drawings. The majority of cave arts depicts animals that humans would have encountered or hunted during the Ice Age, such as mammoths, horses, lions, aurochs, and deer.
  • 105


    Paper was made in China in the early times. The official evidence of papermaking was linked with Cai Lun, the emperor.
  • 382

    Manuscript Transcription

    Manuscript Transcription
    Before the invention of computer everything had to be written by hand.
  • 1450

    Printing Press

    Printing Press
    Printing Press was invented by Johannes Gutenberg. With the invention of Printing Machine, Printing Revolution have started.
  • Public Education "Invention of Blackboard"

    Public Education "Invention of Blackboard"
    Public Education Age started in 16th century and continued until late 18th century. In the 18th century, blackboards (also known as chalkboards) invented. It was originally made of smooth, black or grey slate stone.
  • Mimeograph

    A mimeograph machine (often abbreviated to mimeo, sometimes called a stencil duplicator) is a low-cost duplicating machine that works by forcing ink through a stencil onto paper. The process is mimeography. A copy made by the process is a mimeograph.
  • Audiovisual Age

    Audiovisual Age
    Audiovisual Age started in the 1910s and continued until 1940s. In these years, the usage of radios, film strip projectors and overhead projectors were significant.
  • Radio usage in education

    Radio usage in education
    The signifigance of radio usage in education is not debatable.The reach and immediacy of radio provided educators with a new and potentially powerful medium through which to support and modify education.
  • Filmstrip Projectors

    Filmstrip Projectors
    Filmstrip Projectors played a crucial role in education. In audiovisual age, one of the important tools used in education was filmstrip projectors. It was used commonly back in the 1930s in classrooms.
  • Overhead Projectors

    Overhead Projectors
    In the beginning, overhead projectors were used for military for training purposes. It was invented in the 1870s. However, the usage of overhead projectors in education became common in the 1920s.
  • Slide Projectors

    Slide Projectors
    Slide Projector usage was not common in the education field. First, it was used for entertainment purposes back in the days. After, it usage became common in the education area.
  • Teaching Machine

    Teaching Machine
    Teaching machines were originally mechanical devices that presented educational materials and taught students. One model was invented by Sidney Pressey and the other one was invented and developed by B. F. Skinner.
  • Information Age

    Information Age
    Information Age started in 1960s and continued until 1980s. Television, VCR, VHS Tape, AudioTape usage was signifigance between these years.
  • Television

    Television was first used in education in the 1960s, for schools and for general adult education.
  • Spirit Duplicator

    Spirit Duplicator
    A spirit duplicator is a printing method invented in 1923 by Wilhelm Ritzerfeld that was commonly used for much of the rest of the 20th century. The term "spirit duplicator" refers to the alcohols that were a major component of the solvents used as "inks" in these machines. The device coexisted alongside the mimeograph.
  • First Hand-Held Calculator

    First Hand-Held Calculator
    “Cal Tech” was the codename used for the device during its development, which was released commercially in 1970. The 45-ounce calculator featured a small keyboard with 18 keys and a visual output that displayed up to 12 decimal digits.
  • Plato Computer System

    Plato Computer System
    PLATO was a generalized computer assisted instruction system originally developed at the University of Illinois, and, by the late 1970s, comprised several thousand terminals worldwide on nearly a dozen different networked mainframe computers.
  • DVD, Video Casette

    DVD, Video Casette
    Magnetic tape video recording became a major contributor to the television industry, via the first commercialized video tape recorders. At that time, the expensive devices were used only in professional environments such as television studios and medical imaging.
  • coSy

    At the University of Guelph in Canada, an off-the-shelf software system called CoSy was developed in the 1980s that allowed for online threaded group discussion forums, a predecessor to today’s forums contained in learning management systems.
  • Arpanet

    In the U.S.A it was the first network to use the Internet protocol in 1982.
  • DT200

    In 1988, the Open University in the United Kingdom offered a course, DT200, that as well as the OU’s traditional media of printed texts, television programs and audio-cassettes, also included an online discussion component using CoSy.
  • Computer Age

    Computer Age
    Computer Age started in 1990-1991s. Computer, CD rom, Microsoft Power, White board and laptop usage was important between these ages.
  • Mosaic

    The first web browser, Mosaic, was made available in 1993. NCSA Mosaic was one of the first web browsers. It was instrumental in popularizing the World Wide Web and the general Internet by integrating multimedia such as text and graphics.
  • Digital Age

    Digital Age
    It is a historical period that characterized by a rapid epochal shift from the traditional industry established by the Industrial Revolution to an economy primarily based upon information technology. The onset of the Information Age can be associated with the development of transistor technology.
  • Interactive Age

    Interactive Age
    Interactive communication is an exchange of ideas where both participants, whether human, machine or art form, are active and can have an effect on one another. It is a dynamic, two-way flow of information. Many forms of communication previously thought one-way, like books and television, have become interactive with the rise of computers, the Internet, and digital and mobile devices.
  • Podcast

    The concept of attaching sound and video files in RSS feeds was proposed in a draft by Tristan Louis. The idea was implemented by Dave Winer, a software developer and an author of the RSS format.
  • YouTube

    YouTube started in 2005 and was bought by Google in 2006. YouTube is increasingly being used for short educational clips that can be downloaded and integrated into online courses.
  • MOOC

    In 2012, two Stanford University professors launched a lecture-capture based MOOC on artificial intelligence, attracting more than 100,000 students, and since then MOOCs have expanded rapidly around the world.

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