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When your kids tell you the restroom hand dryer is too loud? Believe them. washingtonpost.com/business/2019/… 
Dryer makers like Dyson and Xlerator typically claim their products operate around 85 dB. These figures are based on lab tests. But in real-world conditions - tiled bathrooms, hands in the airstream - the dryers are *several orders of magnitude* louder. washingtonpost.com/business/2019/…
We know this now thanks to the work of 13-year-old Nora Keegan of Alberta, who was so incensed by dryer noise that she measured the decibel output of dozens of them and got her results published in a scientific journal last month.
One of her key findings: dryers are much louder if you measure their decibel output at the height of a typical three-year-old rather than the height of a typical adult. washingtonpost.com/business/2019/…
For kids on the autism spectrum, who often have difficulties processing sensory information, walking into a public restroom with several dryers firing off is a terrifying experience in ways that neurotypical folks are simply incapable of comprehending. washingtonpost.com/business/2019/…
