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Vulcanized Rubber

Charles Goodyear had spent ages trying to find a way to make rubber resistant to heat and cold. After a number of failed attempts, he finally stumbled across a mixture that worked. Before turning out the lights one evening, he accidentally spilled some rubber, sulfur, and lead onto a stove, resulting in a mixture that charred and hardened but could still be used in shoes and tires.

 

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Many Inventions Have Actually Been Accidental
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