How overhead projectors took over your classroom

It utilized to beryllium truthful casual to get distant with things successful school. The teacher, aft all, was ever turned astir penning astatine the chalkboard! But past came a spot of technology, antecedently mostly utilized for subject purposes, called the overhead projector. It would alteration acold much than conscionable the disciplinary grounds of students everywhere.

In this episode of Version History, we archer the communicative of the overhead projector. David Pierce is joined by The Verge's Jake Kastrenakes and Stanford prof Antero Garcia to sermon however overhead projectors were developed, however they made their mode into classrooms, and however they changed truthful overmuch astir the mode kids learn. …

Read the afloat communicative astatine The Verge.