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How Are Holograms Made?
Today’s Wonder of the Day will take you to another dimension!
How Are Holograms Made?
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Who Invented Plastic?
Join us in Wonderopolis today for a Wonder of the Day that’s not made of wood, glass, or metal!
Who Invented Plastic?
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Do You Have a Photographic Memory?
If you remember to visit today’s Wonder of the Day, it could be worth a thousand words!
Do You Have a Photographic Memory?