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How overhead projectors took over your classroom

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How overhead projectors took over your classroom

It used to be so easy to get away with things in school. The teacher, after all, was always turned around writing at the chalkboard! But then came a bit of technology, previously mostly used for military purposes, called the overhead projector. It would change far more than just the disciplinary record of students everywhere.

In this episode of Version History, we tell the story of the overhead projector. David Pierce is joined by The Verge's Jake Kastrenakes and Stanford professor Antero Garcia to discuss how overhead projectors were developed, how they made their way into classrooms, and how they changed so much about the way kids learn. …



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