TechnologyMind-BlowingThomas Edison held 1,093 U.S. patents during his lifetime—more than any other inventor until 2003!1981k
HistoryInterestingElectric lights for Christmas trees were first used in 1882, when Thomas Edison's business partner Edward H. Johnson hand-wired 80 red, white, and blue bulbs and strung them around a rotating tree in his New York City home.1333k