Ditto Machines
Ditto Machines, also called mimeographs, were duplicating printing devices used for kids' classrooms. They left ink all over your hands and smelled terrible, but it made homework easier to distribute for teachers!
Unbelievable Things That Baby Boomers Grew Up Doing
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The More You Know
- Mysterious sand dune holes baffled Indiana for years.
- Over 80 million bacteria can be exchanged in one kiss.
- The world's oldest operating library is in Morocco.
- You make approximately a teaspoon of tears per hour.
Post originally appeared on Upbeat News.