The truth about grit - The Boston Globe
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چکیده
It’s the single most famous story of scientific discovery: in 1666, Isaac Newton was walking in his garden outside Cambridge, England he was avoiding the city because of the plague when he saw an apple fall from a tree. The fruit fell straight to the earth, as if tugged by an invisible force. (Subsequent versions of the story had the apple hitting Newton on the head.) This mundane observation led Newton to devise the concept of universal gravitation, which explained everything from the falling apple to the orbit of the moon.
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