If you think of records as platters, you are of a certain age. If you don’t remember records at all, you are even younger.

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 ...

That changed in 1877 when Thomas Edison unveiled his phonograph. It wasn’t the first such device to record and play back audio, but it was the first generally reliable one: scratchy and nearly ...

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 ...

Fronted by a luxurious mustache, this loyal lieutenant to Thomas Edison ... himself useful turning Edison’s brainstorms into cash. In 1877, after Edison invented the phonograph, Johnson took ...