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 ...

Scientists have created the loudest-ever underwater sound, measuring more than 270 decibels. The sound, as published in the journal Physical Review Fluids, was created by blasting water microjets with ...