Thomas Edison, America’s greatest inventor, was also deaf—a trait that sharpened his focus and fueled his groundbreaking innovations.

Hedy Lamarr, Hollywood actress, is known for more than her acting—she invented a signal-hopping technology used in Wi-Fi.

Thomas Edison gave us the light bulb, but it wasn't easy. See how multiple failures lead to a revolution that helped light up the world.

Thomas Edison had over 400 patents in just 8-years, but not all his ideas took off. See some bizarre failures from the Wizard of Menlo Park.