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The history of recorded sound is an informative story that highlights how inventions can be lost to time and later rediscovered through modern technology. The Earliest Recording: Édouard-Léon Scott de Martinville

: Over 150 years later, scientists at the Lawrence Berkeley National Laboratory used high-resolution digital imaging to scan these soot-covered papers. Using virtual playback software, they successfully "played" a recording from April 9, 1860. _ new videomp4

: The recording was a snippet of the French folk song "Au Clair de la Lune". Initially, it sounded like a young girl, but further analysis revealed the recording was played too fast. When slowed down, it was revealed to be the low, ghostly voice of Scott de Martinville himself. Popular Educational & Informative Video Content The history of recorded sound is an informative

: Series like Real Stories explore legendary crimes and historical events. : The recording was a snippet of the

If you are looking for specific types of informative video stories, popular categories include:

: High-volume "fact" videos, such as those featuring 250 Amazing Facts, provide rapid-fire information across science and space. 250 Amazing FACTS That Will Blow Your MIND