This story originally appeared on Mental Floss. Want to make a movie? You’ll need quality light fixtures, sound recording equipment, and a good motion picture camera. Thomas Alva Edison helped develop ...

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 ...

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 ...