100 Years of General Relativity: Why Einstein Still Stands
Albert Einstein as seen in a photograph from the U.S. Library of Congress Albert Einstein is pictured in this photo from the Library of Congress dated 1900, about 15 years before the scientist began publishing a series of papers describing his theory of General Relativity, which remains a bedrock of modern physics 100 years later. U.S. Library of Congress (LOC)/Brain News Service One hundred years ago this month, Albert Einstein redefined what gravity is, overthrowing his own hero Isaac Newton. Newton had imagined gravity to be a force like any other that pulls on things to get them going. But Einstein wove gravity into very fabric of space and time, molding an invisible landscape of hills and valleys through which objects move. The equations describing this vision,...