It wasn’t long ago that students could get away with a lot in school, especially when teachers were busy writing on chalkboards. Then a piece of technology originally designed for military use entered the picture: the overhead projector. Its arrival reshaped classroom discipline and transformed learning experiences across the nation.
In a recent episode of Version History, host David Pierce is joined by The Verge’s Jake Kastrenakes and Stanford professor Antero Garcia. Together they trace the development of overhead projectors, explore how the devices made their way into schools, and examine the profound ways they altered the educational process for students.
Read the full story at The Verge.