Ivory from elephant tusks was historically used for billiard balls.
Celluloid was developed as a safer, cheaper alternative.
Celluloid became the material for the first movie reels.
The shift helped protect elephants and grow the film industry.
Scientists invented celluloid, an early form of plastic, to replace ivory for safety and cost reasons.
Celluloid's ability to be thin and flexible made it ideal for recording moving pictures, launching the cinema industry.
This invention changed both games and entertainment forever.
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