But at his own expense, he converted part of the laboratory into a kitchen and fitted it with gizmos like a camera capable of shooting video at 6, 200 frames per second--perfect for analyzing popping popcorn.

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His family sometimes did not have enough to eat, but Goodyear soldiered on, turning the kitchen of wherever he was living into a laboratory, commandeering pots and pans, pawning the furniture when necessary to raise money to continue his experiments, borrowing from anyone foolish enough to lend to him.

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