An 18th-century account of how Isaac Newton developed the theory of gravity by observing a falling apple was posted online Jan. 18, making the fragile paper manuscript widely available to the public for the first time. Newton's encounter with the apple ranks among science's most celebrated anecdotes, and now it can be read in the faded cursive script in which it was recorded by William Stukeley, Newton's contemporary. Royal Society librarian Keith Moore said the apple story has resonated for centuries because it packs in so much‹an illustration of how modern science works,...

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  • About the Author:

    Jeff Festa