On December 7, 1877 Thomas Edison demonstrated his phonograph at the New York City offices of the nation's leading technical weekly publication, Scientific American. The following report set off ...

Chemical developments originating from the West Orange laboratory included plastics and waxes for disc and cylinder phonograph records, nickel-iron alkaline electric storage batteries, and ...

Thomas Edison was the king of invention ... similar to how a human voice can be amplified and recorded by a phonograph. Edison wrote plans and theories for this ghost machine, but it is unclear ...

More than 1,000 patents for iconic inventions like the lightbulb, phonograph ... Be More Like Thomas Edison. So take a look around your workplace. What do you see? Serious faces?