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Less interested in the scientific fundamentals of rocketry,
many writers of popular literature and science fiction discovered
one of the most vital elements in the formula for space travel,
a fertile imagination. Under the impression that the sun "draws
up" dewdrops, Cyrano de Bergerac suggested fancifully
that one might fly by trapping dew in bottles, strapping the
bottles to oneself, and standing in sunlight.
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