ELI5: Explain Like I'm 5

Anechoic room

Hey there kiddo! Have you ever played hide and seek in a really quiet place? Well, an anechoic room is a room that is designed to be super quiet - even more quiet than regular quiet places!

This room is special because it is built in a way that stops sound waves from bouncing off the walls, floor, and ceiling. This means that there are no echoes in the room and you can hear every little sound super clearly, even if it's really quiet.

It's like if you were in a room made of pillows. If you spoke, the sound would get trapped and not bounce around the room, so you could hear yourself very clearly but no one outside could hear you.

Scientists use these rooms to test out things like speakers, headphones, and even the sound a car makes when driving. It's because they want to make sure they're getting the most accurate sound without any interference from echoes.

So, that's basically what an anechoic room is. A super quiet room that doesn't let any sound bounce around. Pretty cool, huh?