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 ...

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, ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

WASHINGTON D.C. The ups and downs of Mr. Thomas A. Edison's inventions related to electrical lighting continue. After his U.S. Patent No. 223,898 for an "Electric Lamp" was found to be valid in the ...

The transaction represented a symbolic closing to G.E.’s opening chapters in the second Industrial Revolution. By Michael Levenson More than 140 years after Thomas Edison and his assistants conducted ...