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, ...

DALLAS -- Keys to the New Jersey lab where Thomas Edison invented the phonograph and some of the lightbulbs that he perfected sold for more than $60,000 at auction on Saturday. The keys sold for ...

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 #1 patent in our Patent Wars series has to be, of course, the light bulb. There are many reasons. This invention changed the modern world from darkness to light, and is an invention that has been ...

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, ...

Many credit the invention of the incandescent light bulb with Edison or Swan but its development actually took place over two centuries and by the time Edison and Swan got involved, the tech was down ...

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 ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...