“What is the loudest possible sound? What about the quietest thing we can hear? And what do decibels measure, anyway?” This video from Joe Hanson and It’s Okay to Be Smart dives into the wide ranging and incredibly sensitive world of sound waves.

Watch these next: Breaking a glass with sound, a waterless & chemical-free sound wave fire extinguisher, and How Loud is a Slithering Snail?.

Plus a visual treat: What Does Sound Look Like?

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