[LAU] New 'acoustic metamaterial' cancels sound

[Gerhard Zintel]

On Thursday 07 March 2019, David W. Jones wrote:
> https://www.sciencedaily.com/releases/2019/03/190307103109.htm
>
> Might make managing sound a bit easier in studios?

April 1st seems to be very early this year?!
Before I have seen transmission or insertion loss measurements over frequency I
do not believe it. For sure you can tune such a system to be efficient in a
small frequency range. The paper cost money unfortunately.

Gerhard