Acoustic Cloak

405man · 4th July 2011, 10:23 AM

I came accross this article I thought might be of interest

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

Stuart

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 !

Andy

.

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 - physicsworld.com

this one describes an acoustic lense,

Stuart

4th July 2011, 10:23 AM	#1
405man diyAudio Member Join Date: Dec 2003 Location: Near Glasgow Scotland	Acoustic Cloak I came accross this article I thought might be of interest 'Carpet' makes objects invisible to sound - physicsworld.com Stuart

4th July 2011, 03:14 PM	#3
poynton Magneto the Gravity Man diyAudio Member Join Date: Mar 2005 Location: A life on the ocean waves when I'm not at home in N. Wales (but I'm not Welsh so no sheep jokes!)	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 . __________________ If it ain't broke, break it !! Then fix it again. It's called DIY !

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4th July 2011, 01:55 PM	#2
Pano diyAudio Moderator Join Date: Oct 2004 Location: North Carolina Blog Entries: 4	Strange stuff.

12th July 2011, 07:34 AM	#4
405man diyAudio Member Join Date: Dec 2003 Location: Near Glasgow Scotland	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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