The Verge’s Version History traces the overhead projector’s journey from military origins to classroom dominance
The Verge’s latest Version History episode explores how the overhead projector, initially developed for military use, transformed classroom dynamics by allowing teachers to face students while presenting. The discussion, hosted by David Pierce with guests Jake Kastrenakes and Stanford professor Antero Garcia, examines the device’s adoption, its impact on learning, and why it has been largely replaced by modern digital tools like smart boards and computer screens.