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 brought ...

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, ...

Saturday, December 21 is the shortest day of the year so we thought it would be a good time to appreciate the history of light bulbs. We walk into a dark room and flick a light switch and don’t think ...

Saturday, December 21 is the shortest day of the year so we thought it would be a good time to appreciate the history of light bulbs. RELATED: Livermore’s 123-year-old Centennial Lightbulb glows up We ...