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405man 4th July 2011 10:23 AM

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

'Carpet' makes objects invisible to sound -


Pano 4th July 2011 01:55 PM

Strange stuff.

poynton 4th July 2011 03:14 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 !



405man 12th July 2011 07:34 AM

Here is an other example of an acoustic metamaterial

How to make a superlens from a few cans of cola -

this one describes an acoustic lense,


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