Invented in the late 19th century as a means to contain cattle in the American West, barbed wire soon found military applications. Bettmann / Corbis Bayonet: In the early 17th century, sportsmen in ...

Discover ten innovative inventions that are transforming safety and emergency preparedness. From advanced avalanche airbags and fire emergency respirators to revolutionary CPR devices and high-rise ...

“USA250: The Story of the World’s Greatest Economy” is a yearlong WSJ series examining America’s first 250 years. Read more about it from Editor in Chief Emma Tucker. Technology and entertainment in ...