Imagine walking into a doctor's office with a broken arm and the doctor pulls out a can of Silly String. If inventor Leonard A. Fish and chemist Robert P. Cox's 1972 invention of Silly String had gone as planned, that hypothetical situation might have become a reality. Fish and Cox set out to invent an aerosol spray that would create an instant cast to help heal broken limbs. The two tested their prototypes dozens of times, only to come back with an aerosol can that shot a consistent string as far as 30 feet. The two realized the innovation wasn't on track to be of serious medical use, but were instead inspired by the goofy result, and turned their invention into a toy. Today, Silly String is a registered trademark of Silly String Products.
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