Book 14, Question 39
Why Would the Quietest Room in the World Feel Strange?
The quietest room in the world would feel strange because we are used to hearing some sound all the time! In a super-quiet room, you start to hear things inside your own body. It can feel very odd.
More fun facts
- The world's quietest room is an anechoic chamber at Orfield Laboratories in Minnesota.
- Its background sound measures about minus 24.9 decibels.
- In such a quiet room, you can hear your own heartbeat.
- People say the quieter the room, the more things you hear inside your own body.
- Companies use these rooms to test how noisy their products are.
Sources: Smithsonian Magazine, Scientific American
Questions kids ask
What can you hear in the quietest room?
Sounds from your own body, like your heartbeat.