The inventions that tell the story of America, and the 1 innovation that made them possible

From the lightbulb to the airplane, to medical breakthroughs and the internet age, the past 250 years have been defined by ...

In 1941, Hedy Lamarr and George Antheil created the technology that later inspired Bluetooth

A Hollywood actress and a composer's wartime innovation, frequency hopping, initially aimed at guiding torpedoes, has become ...