With more than a thousand patents to his name, the legendary inventor's innovations helped define the modern world. Thomas Edison had a hand in inventing revolutionary devices such as the movie camera ...

Electric light bulbs had been around for decades by the 1870s. Most demonstration systems used arc lamps, which seemed far too bright and burned much too hot for indoor household use. In 1878, Thomas ...

This post originally appeared in Business Insider. Thomas Edison did not try 10,000 times before inventing the light bulb, nor did he labor in a dusty workshop by himself. That’s according to David ...

Edison Light Bulb, 1879, Smithsonian's National Museum of American History Thomas Edison used this carbon-filament bulb in the first public demonstration of his most famous invention—the light bulb, ...

When people name the most important inventions in history, light bulbs are usually on the list. They were much safer than earlier light sources, and they made more activities, for both work and play, ...

Edison Light Bulb, 1879, Smithsonian's National Museum of American History Thomas Edison used this carbon-filament bulb in the first public demonstration of his most famous invention—the light bulb, ...

In October 1929, Thomas Edison was a sleep-deprived octogenarian, deaf as an adder—“I haven’t heard a bird sing since I was twelve years old.” Having sworn off public speaking, he was reluctant to ...