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Wooden paddles with printed lessons were popular through the colonial era.
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The Learning MachinesCreated with the assistance of CHARLES WILSON, MARVIN ORELLANA and MIKI MEEK/THE NEW YORK TIMES, posted at http://www.nytimes.com/interactive/2010/09/19/magazine/classroom-technology.html
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A pointer and punishment-all in one device.
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Predicessor of the slide show
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Personal blackboards for students.
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A standard, still in use in some schools.
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Enduring!!! Gradually replaces the slate.
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Popular 3-D viewing device marketed to schools with hundreds of pictures.
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The cousin to the motion-picture projector; Thomas Edison predicted that, with the advent of projected images, "books will soon be obsolete in schools. Scholars will soon be instructed through the eye."
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New York City's Board of Education was the first to pipe lessons to schools through a radio station. Over the next two decades, "schools of the air" would broadcast programs to millions of American students.
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Surviving into the Xerox age, the mimeograph produced copies through a hand-crank mechanism.
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With an adjustable metal bar that helped the reader march down a page, the device was meant to improve reading efficiency.
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By the early 1960s there were more than 50 channels that included educational programming on the air across the country.
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All the begefist of a filmstrip projector, personalized.
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Through studies showed that calculators imporved students' attitude toward math, teachers were slow to adopt them for fear that they would undermine the learning of basic skills.
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The Scantron Corporation eliminated the hassle of grading multiple-choice exams.
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Public schools in the United States averaged one computer for every 92 students in 1984; in 2008 there was one computer for every 4 students.
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IBM presents the personal computer. Schools begin providing classes for personal computing.
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The traditional whiteboard was reinbented using a touch-detecting white screen, a projector and a computer.
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Allows teachers to poll or qquiz students and receive results in real time.
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The school slate reimagined.
