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Acoustic 'cloaking device'

1 post / 0 new

Mon, 2011-06-27 16:09

Arenamontanus Arenamontanus's picture

Metamaterials can not just give us chameleon cloaks, but acoustic stealth cloaks: http://www.bbc.co.uk/news/science-environment-13905573 http://prl.aps.org/abstract/PRL/v106/i25/e253901 Probably will have a lot of nontrivial limitations, especially since it needs to handle low frequencies too - then the structure has to be much larger.

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