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History of Educational Technology

  • The Horn Book

    The Horn Book
    Usually a wooden paddle with an alphabet and a verse glued to the surface, hornbooks derived their name from the piece of transparent horn protecting the verse. Since hor books used by many students over the years, a thin transparent sheet covered the paper to protect it. The transparent sheet was made from the horn of an animal such as a cow. That is why it is called horn book.
  • The Pencil

    The Pencil
    A pencil is an implement for writing or drawing, constructed of a narrow, solid pigment core in a protective casing that prevents the core from being broken and/or marking the user's hand. Pencils are used in the classroom for writing, drawing, thinking, vocabulary, grammar, counting, graphing, poetry, projects, science, social studies, creating something new, and assessments.
  • The Chalkboard

    The Chalkboard
    Chalkboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulfate or calcium carbonate, known, when used for this purpose, as chalk. Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.
  • The Sterescope

    The Sterescope
    A stereoscope is a device for viewing a stereoscopic pair of separate images, depicting left-eye and right-eye views of the same scene, as a single three-dimensional image.
  • The Ballpoint Pen

    The Ballpoint Pen
    Ballpoint pen is a pen that has a ball at its point which rotates when dragged across the writing surface and leaves behind ink that comes from the reservoir of the pen. The invention of the ballpoint pen made the simple act of writing much easier. People no longer had to waste time filling their pens or rewriting things that got blotched or rewriting because their fountain pen had ripped their paper.
  • The Film Projector

    The Film Projector
    A film projector is a device that continuously moves film along a path so that each frame of the film is stopped for a fraction of a second in front of a light source. Many teachers find chalkboards to be almost a thing of the past with the advent of projectors in the classroom. Rather than writing notes across a board, teachers can make use of PowerPoint presentations, images and even film as teaching tools through the use of projectors.
  • The Radio

    The Radio
    Radio is the technology of signaling and communicating using radio waves. Radios play an important role in education. It is not only informs, but also inspires human being for learning more and more. Radio was developed for educational use not long after the formation of the BBC in 1922 and has been used for educational purposes all around the world ever since. It is cheap,was the earliest form of mass information distribution and can be accessed in remote areas.
  • The Overhead Projectors

    The Overhead Projectors
    A device that projects an enlarged image of an acetate or other transparency placed on it on to a wall or screen by means of an overhead mirror. Groups in the class can also quickly record their work and conversations to share with the rest of the class. Overhead is typically placed at a comfortable writing height for the educator and allows the educator to face the class, facilitating better communication between the students and teacher.
  • The Mimeograph

    The Mimeograph
    A mimeograph is an old-fashioned copy machine. Mimeographs were often used for making classroom copies in schools before photocopying became inexpensive in the mid- to late-twentieth century. Their main use came from being able to copy homework assignments and written tests.
  • The Videotape

    The Videotape
    Videotape is magnetic tape used for storing video and usually sound in addition.Videotapes increase student engagement, which in turn helps boost achievement. The use of videotapes in teaching and learning serves to not only benefit students, but also teachers and their affiliated institutions. A 2015 study conducted by software company Kaltura concluded that 93% of teachers believe that the use of educational videos improves the learning experience
  • The Educational Television

    The Educational Television
    Educational television or learning television is the use of television programs such as Public Broadcasting Service (PBS), Annenberg Foundation (The Annenberg Channel), NASA TV, Discovery Channel in the field of distance education. It may be in the form of individual television programs or dedicated specialty channels that is often associated with cable television.
  • The Interactive Whiteboard

    The Interactive Whiteboard
    An interactive whiteboard is a classroom tool that allows images from a computer screen to be displayed onto a classroom board using a digital projector. The teacher or a student can “interact” with the images directly on the screen using a tool. They can also support multi-media materials including texts, images, audio and video, which make presentations more elaborate. Unlike the traditional whiteboards, interactive whiteboards are not restricted to paper documents, chalks and/or cards.