When James Edward Hanger lost a leg in the American Civil War, he returned home to Virginia and designed the world's first articulated prosthetic that could bend like a real leg.

The average American will send and receive around 3,000 text messages every month. But Founding Father Alexander Hamilton relied on his his trusty portable writing desk to draft countless letters and write some of the most important...

In 1962, the Moscow-Washington Hotline was established as a quick and accurate means of communication between two of the world's greatest superpowers. Since then, the technology used to facilitate this line of communication has changed...

In 1777, The Betsy Ross Flag was adopted by the thirteen colonies fighting for freedom as the United States’ first official flag. But not everyone in America was free.

Designed in 1972, the raised fist Afro Comb combines function with meaning to create a grooming tool that symbolises African-American history, culture and pride.