02/21/2026
๐ก๐ผ๐ฟ๐ฎ ๐๐ฒ๐ฒ๐ด๐ฎ๐ป - ๐ฎ๐ญ๐๐ ๐๐ฒ๐ป๐๐๐ฟ๐ ๐ง๐ฒ๐ฒ๐ป ๐๐ป๐๐ฒ๐ป๐๐ผ๐ฟ
https://www.facebook.com/share/p/1J1TLpRuGS/?mibextid=wwXIfr
Thanks to What Did I Just See? for this most inspiring post!
โShe was 9 when she noticed kids covering their ears in bathrooms. At 13, she proved they were rightโin a medical journal."
Nora Keegan from Calgary noticed something adults kept ignoring.
In fourth grade, she watched children rush out of public restrooms with their hands clamped over their ears. She felt it herselfโafter using hand dryers, her ears would ring for minutes.
Adults said it was fine. "They're just loud."
But Nora wondered: What if they're not just loudโwhat if they're dangerous?
So in fifth grade, she turned her observation into a science experiment. She convinced her parents (both doctors) to drive her to 44 public bathrooms across Alberta. She brought a professional decibel meter, a ruler, and a hypothesis: hand dryers hurt children's ears because children stand closer to the sound source.
For two years, she took measurements. 880 of them. Different heights. Different distances. Hands in the airstream, hands out. She measured at adult ear level. Then at children's ear level.
The results stunned her.
Xlerator dryers measured over 100 decibelsโevery single one. Several Dyson Airblade models hit 105 decibels at a 3-year-old's height. The loudest? A Dyson at 121 decibelsโas loud as an ambulance siren.
Here's what makes this terrifying: Health Canada prohibits children's toys from exceeding 100 decibels because they know it damages hearing. Yet hand dryers in public spaces where children go dailyโlibraries, schools, restaurantsโwere routinely blasting sounds that could cause learning disabilities, attention difficulties, and ruptured eardrums.
Manufacturers claimed their dryers operated at 70-80 decibels. Nora's real-world testing proved otherwiseโmany were operating at levels four times louder than advertised.
In seventh grade, she didn't stop at exposing the problem. She started building a solutionโa synthetic air filter prototype that could reduce the noise by 11 decibels.
Then she wrote a scientific paper. She submitted it to a journal. They rejected it.
She revised. She resubmitted.
In June 2019, Paediatrics & Child HealthโCanada's premier peer-reviewed pediatric journalโpublished her study. The title? "Children who say hand dryers 'hurt my ears' are correct."
She was 13 years old.
Dyson responded by inviting her to meet with their acoustic engineers. Health officials took notice. Nora's research is now cited by the National Institutes of Health and used to educate parents worldwide.
All because a 9-year-old believed children when they said something hurt.
The next time a child tells you something's wrong, maybeโjust maybeโyou should listen.
๐ฆ๐ง๐๐ ๐๐ฐ๐๐ถ๐๐ถ๐๐ถ๐ฒ๐: https://tinyurl.com/2r7b3s8u
๐ฆ๐ง๐๐ ๐๐ป๐๐ฒ๐ป๐๐ผ๐ฟ ๐๐ฐ๐๐ถ๐๐ถ๐๐ถ๐ฒ๐ ๐ณ๐ผ๐ฟ ๐ง๐ฒ๐ฒ๐ป๐: https://tinyurl.com/32b7xdzs
๐ฆ๐ง๐๐ ๐๐ป๐๐ฒ๐ป๐๐ผ๐ฟ ๐๐ฐ๐๐ถ๐๐ถ๐๐ถ๐ฒ๐ ๐ณ๐ผ๐ฟ ๐๐ถ๐ฑ๐: https://tinyurl.com/bddtbdry
