Thomas Edison had a hand in inventing revolutionary devices such as the movie camera, microphone, and phonograph. But none has been more famous than his improvements to the light bulb, which ...

But first, Edison established the Edison Electric Light Co., assigned 2,500 shares to himself and sold 500 shares to investors including William Vanderbilt. Edison’s team made two major innovations.

Thomas Edison's incandescent light bulb, patented in 1880, made electric lighting practical, affordable, and long-lasting. It completely transformed homes, cities, and industries worldwide, going ...

This twisted wire illustrates how the filament in the Edison bulb is twisted, but at a micro-scale – when the light's wavelength matches the length of the twist, the lightwaves twirl as they go ...

The science of creating elliptically polarized light. According to the researchers, twisted light can be produced using the same technology as the 100-year-old Edison bulb (filament light bulb ...