Inventions

 

Try to identify the originators of these inventions then see our Answers to Inventions.

1. "Pretty Good Privacy" (PGP) encryption for the common man
2. The Polio Vaccine
3. The "movable type" printing press
4. Dynamite
5. The Armonica
6. The "hot air" balloon
7. The Cotton Gin
8. She discovered Radium
9. The Kinetiscope
10. Velcro

Answers to Inventions

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