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-   -   Acoustic Cloak (http://www.diyaudio.com/forums/everything-else/192022-acoustic-cloak.html)

405man 4th July 2011 11:23 AM

Acoustic Cloak
 
I came accross this article I thought might be of interest

'Carpet' makes objects invisible to sound - physicsworld.com

Stuart

Pano 4th July 2011 02:55 PM

Strange stuff.

poynton 4th July 2011 04:14 PM

I saw the same article on www.BBC/co/uk recently.

The only problem as I see it is that the object may disappear but it is replaced by a huge pile of plastic !


Andy

.

405man 12th July 2011 08:34 AM

Here is an other example of an acoustic metamaterial

How to make a superlens from a few cans of cola - physicsworld.com

this one describes an acoustic lense,

Stuart


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