TechHow overhead projectors took over the classroom

An episode of Version History traces the overhead projector’s development from technology once used mainly for military purposes to a classroom fixture, and how it changed the way students learn. The hosts also consider why it faded and whether PowerPoint, computer screens and smart boards improved on it.

overhead projectorsclassroom technologyeducationpodcasts

TThe Verge★★☆☆☆2026-10-18 12:55Original