A profile of Sir Dr. NakaMats, who claims to have invented over 3,000 things, including the floppy disk and karaoke machine.

Shiva Ayyadurai told the world he invented email. Not everyone agreed.

How Minnesota became a hotbed of toy invention.

The story of Charles Goodyear, who dedicated his life to inventing usable rubber yet has little to show for it, aside from his name on the side of a blimp.