![Research results show that arranging a large number of ping pong balls can be used as a 'sound absorbing material' to block noise - GIGAZINE Research results show that arranging a large number of ping pong balls can be used as a 'sound absorbing material' to block noise - GIGAZINE](https://i.gzn.jp/img/2023/10/13/ping-pong-ball-sound-absorbers/01.jpg)
Research results show that arranging a large number of ping pong balls can be used as a 'sound absorbing material' to block noise - GIGAZINE
![Research results show that arranging a large number of ping pong balls can be used as a 'sound absorbing material' to block noise - GIGAZINE Research results show that arranging a large number of ping pong balls can be used as a 'sound absorbing material' to block noise - GIGAZINE](https://i.gzn.jp/img/2023/10/13/ping-pong-ball-sound-absorbers/04.png)
Research results show that arranging a large number of ping pong balls can be used as a 'sound absorbing material' to block noise - GIGAZINE
![Research results show that arranging a large number of ping pong balls can be used as a 'sound absorbing material' to block noise - GIGAZINE Research results show that arranging a large number of ping pong balls can be used as a 'sound absorbing material' to block noise - GIGAZINE](https://i.gzn.jp/img/2023/10/13/ping-pong-ball-sound-absorbers/00.jpg)