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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Dive into the astounding world of sound and explore the loudest noise ever recorded - the eruption of Krakatoa in 1883. From the ...

Krakatau's 1883 eruption unleashed an estimated 310-decibel blast that was heard thousands of kilometers away.

A giant loudspeaker stood on the roof of a hangar at Mineola, L. I., last week, and radio and sound engineers trooped out to have a look, listen to its monstrous bray. Developed in the Bell Telephone ...

Live concerts, fireworks and roaring stadium crowds can reach dangerously high volumes — loud enough to cause permanent hearing loss. But what was the loudest sound ever recorded on Earth? The answer ...