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Old 4th July 2011, 10:23 AM   #1
405man is offline 405man  Scotland
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Default Acoustic Cloak

I came accross this article I thought might be of interest

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

Stuart
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Old 4th July 2011, 01:55 PM   #2
Pano is offline Pano  United States
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Strange stuff.
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Old 4th July 2011, 03:14 PM   #3
poynton is offline poynton  United Kingdom
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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 !


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Old 12th July 2011, 07:34 AM   #4
405man is offline 405man  Scotland
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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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