Curated Video
The Hanger Limb Prosthetic Leg
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.
Curated Video
The Turtle Submersible: The First Military Submarine
Designed in 1775, the Turtle Submersible was a military submarine that pushed the limits of engineering, in an attempt to defeat the formidable British Navy.
Curated Video
The Swivel Chair: How Thomas Jefferson Innovated the Office Chair
Thomas Jefferson’s words helped found a nation. But did you know that he also invented the modern day swivel chair?
Curated Video
Keds: America's First Viral Sneakers
They were the Nike Air of their day – and they helped spark a sneaker revolution! Discover how Keds cornered the market for comfortable footwear in the 1950s and beyond.
Curated Video
The Polygraph Machine: Detecting the Truth
In 1921, John Augustus Larson invented a machine to help detectives determine if someone was telling the truth - or lying. He called it - the Polygraph.