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 ...

Inventor Thomas Edison demonstrated his electric incandescent lights in public. He illuminated about 100 bulbs in and around his laboratory in Menlo Park, New Jersey. Edison used a carbonized bamboo ...

Tara Isabella Burton - Author, Self-Made: Creating Our Identities From da Vinci to the Kardashians Thomas Edison told journalists they would each receive a brief, private demonstration of the new ...

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, ...

University of Tennessee provides funding as a member of The Conversation US. When people name the most important inventions in history, light bulbs are usually on the list. They were much safer than ...

1879: Inventor Thomas Edison introduces the world's first practical light bulb. 1882: Edison associate Edward Johnson uses electricity to light Christmas tree bulbs at his New York City home. Prior to ...