Phonautograph (c 1857) apparatus for studying sound vibrations graphically, invented by (Edouard) Leon Scott de Martinville. Vibrations produced in cone traced on lamp blacked cylinder. Engraving, ...

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Determining the "loudest recorded sound" depends on how you define sound and on which measurements you choose to include. When you purchase through links on our site, we may earn an affiliate ...

How loud can sound really get? The human ear can safely hear up to around 120 decibels. Beyond that, it starts to hurt. At 150 decibels, eardrums can rupture. But history has witnessed sounds far ...