Video: Most Popular

Oldest sound recording resurrected (1:48) 

June 28 - Modern technology may have resurrected the oldest sound recording in the world from an image in a German magazine from 1890. The recording is the muffled voice of the father of the gramophone, Emile Berliner he recites Friedrich Schiller's ballad ''Der Handschuh.'' Ben Gruber reports. ( Transcript )

More Videos