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 ...

Scott says that while Thomas Edison is often ... and it could record sound and play it back. And that was a sensation. The upshot, though, was that the tinfoil phonograph, though brilliant ...

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 ...

Thomas Edison is often credited with being the first person to record sound ... 20 years before Edison invented his phonograph. Video by Sanjana Bhambhani Dr Radha Modgil explains what's going ...