On a quiet, moonlit night in a garden at Woolsthorpe, England, a young man was roused from solitary musings by the sound of an apple's fall. how peculiar, he thought - The apple falls, yet the moon does not...

Two years later, after laborious study and experiment, Issac Newton formulated the Law of Universal Gravitation - as revolutionary a development in the history of scientific thought as the atomic bomb was in the long history of war.