The Nanotar

Electron-microscope image of the world's smallest guitar, based roughly on the design for the Fender Stratocaster.

• Length: approximately that of a red blood cell.
• Body Width: about 1/20th the width of a single human hair.
• String width: 0.0000000008 inches.
• Range: somewhere in the vicinity of 14 octaves above middle C.
• Manufacturer / material: Made by Cornell researchers with a single silicon crystal.

(Image courtesy Dustin W. Carr and Harold G. Craighead, Cornell.)