# How overhead projectors took over your classroom

- Source: The Verge
- Published: 2026-10-18T12:55:01+00:00
- Category: Tech
- Original: https://www.theverge.com/podcast/1013473/overhead-projector-version-history
- Canonical: https://groundlevelnews.com/story/how-overhead-projectors-took-over-your-classroom-6f4113/

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. […]

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