About the size of a single blood cell and inaudible to the human ear, is the point of the nano guitar because it's cool?

This article titled “Hey, what’s that sound: Nano guitar” was written by David McNamee, for guardian.co.uk on Wednesday 13th April 2011 14.21 UTC

What is it? The world’s smallest ever music instrument. A miniature guitar made out of crystalline silicon, 10 microns long (about the size of a human red blood cell), with six strings that are each about 100 atoms wide.

How does it work? Though the first nano guitar was created in 1997 at Cornell University, it wasn’t until a second model was crafted in 2003 that the instrument was actually “played”. No, they didn’t make the world’s tiniest plectrum and shrink Dennis Quaid down to subatomic size to strum the dainty axe. Because they’re so incredibly teeny, the strings could only be sounded by targeting them with miniature lasers in an atomic force microscope. This resulted in the world’s smallest ever kerrang! A 40 megahertz signal that is 130,000 times higher than the sound of a full-scale guitar – and reportedly one of the highest-pitched tones recorded.

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