Have you ever wondered what a virus sounds like? Or what noise a bacterium makes when it moves between hosts? If the answer is yes, you may soon get your chance to find out, thanks to the development of the world’s tiniest ear. The “nano-ear,” a microscopic particle of gold trapped by a laser beam, can detect sound a million times fainter than the threshold for human hearing. Researchers suggest the work could open up a whole new field of “acoustic microscopy,” in which organisms are studied using the sound they emit.
Detecting sound waves on the nano scale is a very cool endeavour.
The scientists involved are clearly high caliber audiophiles, using gold as their metal of choice and giving a whole new literal sense to the term “Golden Ears”…
Oh, and we finally have a suitable way to listen to our nano guitars! Excellent.