Nano Ears is the most sensitive listening device ever created which can hear microscopic objects like bacteria.By observing the oscillations of a single gold nanoparticle, tiny movements can be detected.
The nanoear is capable of detecting sound levels of approximately -60 dB. Thus, it is about a million times more sensitive than the hearing threshold of the human ear, which by convention is set at 0 dB.
Nanoears were developed at the Nanosystems Initiative Munich.
Source:
http://www.en.uni-muenchen.de/news/newsarchiv/2012/2012_feldmann.html
http://1click.indiatimes.com/article/04INacI5l5anT?q=Munich
The nanoear is capable of detecting sound levels of approximately -60 dB. Thus, it is about a million times more sensitive than the hearing threshold of the human ear, which by convention is set at 0 dB.
Nanoears were developed at the Nanosystems Initiative Munich.
Source:
http://www.en.uni-muenchen.de/news/newsarchiv/2012/2012_feldmann.html
http://1click.indiatimes.com/article/04INacI5l5anT?q=Munich
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