Scientists create the loudest possible sound, by blasting tiny jets of water to create sound pressures above 270 decibels, as reported in a new study. In air, a sound can't get any higher than about 194 decibels and in water it's around 270.

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Scientists create the loudest possible sound, by blasting tiny jets of water to create sound pressures above 270 decibels, as reported in a new study. In air, a sound can't get any higher than about 194 decibels and in water it's around 270.